Caddock

Caddock

High Performance, High Stability Film Resistors

  • Wide range of surface-mount as well as both axial and radial through-hole precision resistor and resistor network packages
  • Precision low and high ohmic, high voltage, high temperature and non-inductive high power resistors
  • Own Micronox© and Tetrinox© film technologies which offer very low TCR characteristics
  • Low TCR custom resistors, resistor networks and selected / matched resistor sets available

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Caddock MK227 Series

The MK227 precision power film radial leaded resistor series from Caddock offers a resistance range from 1Ω up to 2MΩ, a power rating of 0.5W and a voltage rating of 200V. The MK227 series has a tolerance of ±1.0% as standard with options down to ±0.1% on resistances of 30Ω or higher, and also a TCR of ±50 ppm/°C for resistance values of 5Ω and above. The MK resistor series is constructed with Caddock's Micronox® resistance films fired onto a solid ceramic substrate.

  • Compact rectangular power film radial leaded resistor with standard lead spacing
  • Available in any resistance between 1Ω and 2MΩ
  • Utilises Caddock's Micronox® resistance film technology
  • Utilises Caddock's non-inductive design
  • Tolerance of ±1.0% as standard with non-standard options down to ±0.1% from 30Ω and above
  • TCR of ±50 ppm/°C from 5Ω and above (between -15°C and +105°C)
  • Maximum working voltage of 200V
  • Maximum power rating of 0.5W
  • Operating temperature of between -40°C and +150°C

The MK200 and MK700 series of resistors are the RoHS equivalent versions of the older non-RoHS MK100 and MK600 series. These resistors have pure matte Tin (Sn) lead finish optimised for use in commercial and industrial applications.

With their compact design, it is easier to achieve greater packaging densities without the need for leaving extra space where resistor value changes can require larger resistors or non-uniform lead spacing.

The below table gives the specifications available for the complete MK200 resistor series including the MK227:

Caddock MK200 Specifications

£0.00

Caddock MK232 Series

The MK232 precision power film radial leaded resistor series from Caddock offers a resistance range from 1Ω up to 5MΩ, a power rating of 0.75W and a voltage rating of 400V. The MK232 series has a tolerance of ±1.0% as standard with options down to ±0.1% on resistances of 30Ω or higher, and also a TCR of ±50 ppm/°C for resistance values of 5Ω and above. The MK resistor series is constructed with Caddock's Micronox® resistance films fired onto a solid ceramic substrate.

  • Compact rectangular power film radial leaded resistor with standard lead spacing
  • Available in any resistance between 1Ω and 5MΩ
  • Utilises Caddock's Micronox® resistance film technology
  • Utilises Caddock's non-inductive design
  • Tolerance of ±1.0% as standard with non-standard options down to ±0.1% from 30Ω and above
  • TCR of ±50 ppm/°C from 5Ω and above (between -15°C and +105°C)
  • Maximum working voltage of 400V
  • Maximum power rating of 0.75W
  • Operating temperature of between -40°C and +150°C

The MK200 and MK700 series of resistors are the RoHS equivalent versions of the older non-RoHS MK100 and MK600 series. These resistors have pure matte Tin (Sn) lead finish optimised for use in commercial and industrial applications.

With their compact design, it is easier to achieve greater packaging densities without the need for leaving extra space where resistor value changes can require larger resistors or non-uniform lead spacing.

The below table gives the specifications available for the complete MK200 resistor series including the MK232:

Caddock MK200 Specifications

£0.00

Caddock MK727 Series

The MK727 precision power film radial leaded resistor series from Caddock offers a resistance range from 2.01MΩ up to 40MΩ and a voltage rating of 200V. The MK727 series has a tolerance of ±1.0% as standard, and also a TCR of ±80 ppm/°C (between -15°C and +105°C). The MK resistor series is constructed with Caddock's Micronox® resistance films fired onto a solid ceramic substrate.

  • Compact rectangular power film radial leaded resistor with standard lead spacing
  • Available in any resistance between 2.01MΩ and 40MΩ
  • Utilises Caddock's Micronox® resistance film technology
  • Utilises Caddock's non-inductive design
  • Tolerance of ±1.0% as standard
  • TCR of ±80 ppm/°C (between -15°C and +105°C)
  • Maximum working voltage of 200V
  • Maximum power rating is limited by the maximum working voltage
  • Operating temperature of between -40°C and +150°C

The MK200 and MK700 series of resistors are the RoHS equivalent versions of the older non-RoHS MK100 and MK600 series. These resistors have pure matte Tin (Sn) lead finish optimised for use in commercial and industrial applications.

With their compact design, it is easier to achieve greater packaging densities without the need for leaving extra space where resistor value changes can require larger resistors or non-uniform lead spacing.

The below table gives the specifications available for the complete MK700 resistor series including the MK727:

Caddock MK700 Specifications

£0.00

Caddock MK732 Series

The MK732 precision power film radial leaded resistor series from Caddock offers a resistance range from 5.01MΩ up to 100MΩ and a voltage rating of 400V. The MK732 series has a tolerance of ±1.0% as standard, and also a TCR of ±80 ppm/°C (between -15°C and +105°C). The MK resistor series is constructed with Caddock's Micronox® resistance films fired onto a solid ceramic substrate.

  • Compact rectangular power film radial leaded resistor with standard lead spacing
  • Available in any resistance between 5.01MΩ and 100MΩ
  • Utilises Caddock's Micronox® resistance film technology
  • Utilises Caddock's non-inductive design
  • Tolerance of ±1.0% as standard
  • TCR of ±80 ppm/°C (between -15°C and +105°C)
  • Maximum working voltage of 400V
  • Maximum power rating is limited by the maximum working voltage
  • Operating temperature of between -40°C and +150°C

The MK200 and MK700 series of resistors are the RoHS equivalent versions of the older non-RoHS MK100 and MK600 series. These resistors have pure matte Tin (Sn) lead finish optimised for use in commercial and industrial applications.

With their compact design, it is easier to achieve greater packaging densities without the need for leaving extra space where resistor value changes can require larger resistors or non-uniform lead spacing.

The below table gives the specifications available for the complete MK700 resistor series including the MK732:

Caddock MK700 Specifications

£0.00

Caddock MP2060 Series

The MP2060 Kool-Pak® clip mount power film resistors from Caddock offer a resistance range from 0.005Ω up to 1KΩ and a power range of up to 60W continuous power at +25°C case temperature for 0.02Ω and above. The MMP2060 series tolerance values available are ±1.0% (as standard) ±2.0% and ±5.0% (depending on the resistance value required). These power resistors are in a TO-220 style package designed for clip mounting and offer non-inductive design for high speed switching, snubbers and RF applications.

  • Kool-Pak® clip mount power film through hole resistor in a TO-220 style package
  • Resistance values available between 0.005Ω and 1KΩ
  • Excellent pulse / surge performance
  • Non-inductive design
  • TCR of 0 to +300 ppm/°C (between 0.005Ω and 0.014Ω), 0 to +200 ppm/°C (between 0.015Ω and 0.049Ω), 0 to +100 ppm/°C (between 0.05Ω and 0.49Ω) and -20 to +80 ppm/°C (from 0.5Ω and above)
  • Tolerance of ±5.0% at 0.005Ω and ±2.0% at 0.01Ω and 0.015Ω, ±1.0% from 0.02Ω and greater
  • Power range of up to 60W at +25°C case temperature for 0.02Ω and above
  • Continuous current of up to 60A at +25°C case temperature for 0.015Ω and below
  • Operation up to +150°C case temperature
  • Electrically isolated case

Custom resistance values and tolerances are also available on request

The below table gives the specifications available for the complete MP2060 resistor series:

Caddock MP2060 Specifications

* Please see the datasheet for the derating curve.

£0.00

Caddock MP725 Series

The MP725 D-Pak style surface-mount power film resistors from Caddock offer a resistance range from 0.02Ω up to 1KΩ and a power rating of up to 25W at +25°C case temperature. The MP725 series tolerance values available are ±1.0%, ±5.0% and ±20.0% (depending on the resistance value required). These resistors introduce Caddock's proven Micronox® resistance film system in the widely accepted D-Pak style surface-mount power package. The non-inductive design makes this resistor ideal in high frequency communications, power switching circuits, and snubbers.

  • D-Pak style surface-mount power film resistor
  • Resistance values available between 0.02Ω and 1KΩ
  • Metal tab assists in post surface-mount soldering inspection
  • Non-inductive design
  • TCR of 0 to +300 ppm/°C (between 0.02Ω and 0.049Ω), 0 to +200 ppm/°C (between 0.05Ω and 0.49Ω) and -20 to +80 ppm/°C (from 0.5Ω and above)
  • Tolerance of ±5.0% from 0.02Ω to 0.049Ω and ±1.0% from 0.05Ω and 1kΩ (±5.0% and ±20.0% are available for most resistance values)
  • Power rating of up to 25W at +25°C case temperature
  • Maximum voltage rating of 200V
  • Resisor element is electrically isolated from the metal heat sink tab

Use your thermal design experience with power semiconductors in D-Pak style power packages. This experience will help you get the most out of this unique family of surface-mount power resistors. The thermal design issues are the same where power handling capability is based on the case temperature which is maintained in your design.

The below table gives the specifications available for the complete MP725 resistor series:

Caddock MP725 Specifications

* Please see the datasheet for the derating curve.

£0.00

Caddock MP820 Series

The MP820 Kool-Pak® power film resistors from Caddock offers a resistance range from 10Ω up to 10KΩ and a power rating of up to 20W at +25°C case temperature derated to zero at +175°C. The MP820 series tolerance is ±1.0% as standard (±0.5%, ±2.0%, ±5.0%, ±10.0% and ±20.0% are available for most resistance values). The MP820 Kool-Tab® power film resistors are constructed with Caddock's Micronox® resistance film fired onto a flat ceramic substrate which is thermally bonded to the copper heat sink tab. The resistor body is then moulded with a high temperature moulding compound to finish the metal tab TO-220 package. The lead wire attachment and resistance element geometry are configured to provide outstanding non-inductive performance.

  • Kool-Pak® power film through-hole resistor
  • Resistance values available between 10Ω and 10KΩ
  • Metal heat sink mounting tab
  • Non-inductive design
  • TCR of -20 to +50 ppm/°C
  • Tolerance of ±1.0% as standard (±0.5%, ±2.0%, ±5.0%, ±10.0% and ±20.0% are available for most resistance values)
  • Power rating of up to 20W at +25°C case temperature derated to zero at +175°C
  • Maximum voltage rating of 300V
  • Resistor element is electrically isolated from the mounting surface

Use your thermal design experience with power semiconductors in TO-220 style power packages to help you get the most out of this unique family of power resistors. The thermal design issues are the same where power handling capability is based on the case temperature which is maintained in your design.

The below table gives the specifications available for the complete MP820 resistor series:

Caddock MP820 Specifications

* Please see the datasheet for the derating curve.

£0.00

Caddock MP821 Series

The MP821 Kool-Pak® power film resistors from Caddock offers a resistance range from 0.02Ω up to 9.99Ω and a power rating of up to 20W at +25°C case temperature derated to zero at +175°C. The MP821 series tolerance is ±1.0% as standard (±0.5%, ±2.0%, ±5.0%, ±10.0% and ±20.0% are available for most resistance values). The MP821 Kool-Tab® power film resistors are constructed with Caddock's Micronox® resistance film fired onto a flat ceramic substrate which is thermally bonded to the copper heat sink tab. The resistor body is then moulded with a high temperature moulding compound to finish the metal tab TO-220 package. The lead wire attachment and resistance element geometry are configured to provide outstanding non-inductive performance.

  • Kool-Pak® power film through-hole resistor
  • Resistance values available between 0.02Ω and 9.99Ω
  • Metal heat sink mounting tab
  • Non-inductive design for high speed switching, snubbers and RF applications
  • TCR of 0 to +300 ppm/°C (between 0.02Ω and 0.049Ω), 0 to +200 ppm/°C (between 0.05Ω and 0.49Ω), -20 to +80 ppm/°C (from 0.5Ω up to 4.99Ω) and-20 to +50 ppm/°C (from 5Ω and above)
  • Tolerance of ±1.0% as standard (±0.5%, ±2.0%, ±5.0%, ±10.0% and ±20.0% are available for most resistance values)
  • Power rating of up to 20W at +25°C case temperature derated to zero at +175°C
  • Resistor element is electrically isolated from the mounting surface

Use your thermal design experience with power semiconductors in TO-220 style power packages to help you get the most out of this unique family of power resistors. The thermal design issues are the same where power handling capability is based on the case temperature which is maintained in your design.

The below table gives the specifications available for the complete MP800 resistor series including the MP821:

Caddock MP821 Specifications

* Please see the datasheet for the derating curve.

£0.00

Caddock MP825 Series

The MP825 Kool-Pak® power film resistors from Caddock include an integral metal mounting surface for highly efficient thermal transfer. The resistance range is from 0.02Ω up to 10KΩ with a power rating of up to 25W at +25°C case temperature derated to zero at +150°C. The MP825 series tolerance is ±1.0% as standard (±0.5%, ±2.0%, ±5.0%, ±10.0% and ±20.0% are available for most resistance values). Caddock MP825 Kool-Pak® Power Film Resistors are constructed with Caddock's Micronox® resistance film fired onto a flat ceramic substrate. The ceramic substrate is bonded to a copper heat sink which becomes the metal mounting surface. This assembly is moulded with the copper heat sink flush with the back surface of the part. The terminal attachment and resistance element geometry are configured to provide outstanding non-inductive performance.

  • Kool-Pak® power film through-hole resistor
  • Resistance values available between 0.02Ω and 10KΩ
  • Copper heat sink integral in the moulded package
  • Non-inductive design
  • TCR of 0 to +300 ppm/°C (between 0.02Ω and 0.049Ω), 0 to +200 ppm/°C (between 0.05Ω and 0.49Ω), -20 to +80 ppm/°C (from 0.5Ω up to 4.99Ω) and -20 to +50 ppm/°C (from 5Ω and above)
  • Tolerance of ±1.0% as standard from 0.05Ω and above and ±5.0% from 0.02Ω up to 0.04Ω (±0.5%, ±2.0%, ±5.0%, ±10.0% and ±20.0% are available for most resistance values)
  • Power rating of up to 25W at +25°C case temperature derated to zero at +150°C
  • Resistor element is electrically isolated from the mounting surface

Use your thermal design experience with power semiconductors in TO-126 style power packages to help you get the most out of this unique family of power resistors. The thermal design issues are the same where power handling capability is based on the case temperature which is maintained in your design.

The below table gives the specifications available for the complete MP800 resistor series including the MP825:

Caddock MP825 Specifications

* Please see the datasheet for the derating curve.

£0.00

Caddock MP850 Series

The MP850 Kool-Pak® power film resistors from Caddock include an integral metal mounting surface for highly efficient thermal transfer. The resistance range is from 0.2Ω up to 10KΩ with a power rating of up to 50W at +25°C case temperature derated to zero at +150°C. The MP850 series tolerance is ±1.0% as standard (±0.5%, ±2.0%, ±5.0%, ±10.0% and ±20.0% are available for most resistance values). Caddock MP850 Kool-Pak® power film resistors are constructed with Caddock's Micronox® resistance film fired onto a flat ceramic substrate. The ceramic substrate is bonded to a copper heat sink which becomes the metal mounting surface. This assembly is moulded with the copper heat sink flush with the back surface of the part. The terminal attachment and resistance element geometry are configured to provide outstanding non-inductive performance.

  • Kool-Pak® power film through-hole resistor
  • Resistance values available between 0.2Ω and 10KΩ
  • Copper heat sink integral in the moulded package
  • Non-inductive design
  • TCR of 0 to +200 ppm/°C (between 0.05Ω and 0.49Ω), -20 to +80 ppm/°C (from 0.5Ω up to 4.99Ω) and -20 to +50 ppm/°C (from 5Ω and above)
  • Tolerance of ±1.0% as standard (±0.5%, ±2.0%, ±5.0%, ±10.0% and ±20.0% are available for most resistance values)
  • Power rating of up to 50W at +25°C case temperature derated to zero at +150°C
  • Resistor element is electrically isolated from the mounting surface

Use your thermal design experience with power semiconductors in TO-126 style power packages to help you get the most out of this unique family of power resistors. The thermal design issues are the same where power handling capability is based on the case temperature which is maintained in your design.

The below table gives the specifications available for the complete MP800 resistor series including the MP850:

Caddock MP850 Specifications

* Please see the datasheet for the derating curve.

£0.00

Caddock MP9100 Series

The MP9100 Kool-Pak® power film resistors from Caddock are a low cost, heat sink mountable design featuring an exposed ceramic heat dissipating mounting surface. The resistance range is from 0.05Ω up to 100Ω with a power rating of up to 100W at +25°C case temperature derated to zero at +175°C. The MP9100 series tolerance is ±1.0% as standard (±5.0% and ±20.0% are available for most resistance values). The MP9100 series Kool-Pak® power film resistors are constructed with Caddock's Micronox® resistance film fired onto a flat ceramic substrate. The terminal attachment and resistance element geometry are configured to provide outstanding non-inductive performance.

  • Kool-Pak® power film through-hole resistor
  • Low-cost heat sink mountable design featuring an exposed ceramic heat dissipating mounting surface.
  • Resistance values available between 0.05Ω and 100Ω
  • Non-inductive design
  • TCR of 0 to +200 ppm/°C (between 0.05Ω and 0.49Ω) and -20 to +80 ppm/°C (from 0.5Ω and above)
  • Tolerance of ±1.0% as standard (±5.0% and ±20.0% are also available for most resistance values)
  • Power rating of up to 100W at +25°C case temperature derated to zero at +175°C
  • Maximum temperature 175°C

Use your thermal design experience with power semiconductors in TO-247 style power packages to help you get the most out of this unique family of power resistors. The thermal design issues are the same where power handling capability is based on the case temperature which is maintained in your design.

The below table gives the specifications available for the complete MP9000 resistor series including the MP9100:

Caddock MP9100 Specifications

* Please see the datasheet for the derating curve.

£0.00

Caddock MP915 Series

The MP915 Kool-Pak® power film resistors from Caddock are a low cost, heat sink mountable design featuring an exposed ceramic heat dissipating mounting surface. The resistance range is from 0.02Ω up to 1KΩ with a power rating of up to 15W at +25°C case temperature derated to zero at +150°C. The MP915 series tolerance options available are ±1.0% ( standard), ±5.0% and ±20.0% depending on the resistance values required. The MP915 series Kool-Pak® power film resistors are constructed with Caddock's Micronox® resistance film fired onto a flat ceramic substrate. The terminal attachment and resistance element geometry are configured to provide outstanding non-inductive performance.

  • Kool-Pak® power film through-hole resistor
  • Low-cost heat sink mountable design featuring an exposed ceramic heat dissipating mounting surface.
  • Resistance values available between 0.02Ω and 1KΩ
  • Non-inductive design
  • TCR of 0 to +300 ppm/°C (between 0.02Ω and 0.049Ω), 0 to +200 ppm/°C (between 0.05Ω and 0.49Ω) and -20 to +80 ppm/°C (from 0.5Ω and above)
  • Tolerance of ±5.0% from 0.02Ω up to 0.04Ω and ±1.0% from 0.05Ω and above (±5.0% and ±20.0% are available for most resistance values)
  • Power rating of up to 15W at +25°C case temperature derated to zero at +150°C
  • Maximum voltage 200V
  • Maximum temperature 150°C

Use your thermal design experience with power semiconductors in TO-126 style power packages to help you get the most out of this unique family of power resistors. The thermal design issues are the same where power handling capability is based on the case temperature which is maintained in your design.

The below table gives the specifications available for the complete MP900 resistor series including the MP915:

Caddock MP915 Specifications

* Please see the datasheet for the derating curve.

£0.00

Caddock MP916 Series

The MP916 Kool-Pak® power film resistors from Caddock are a low cost, heat sink mountable design featuring an exposed ceramic heat dissipating mounting surface. The standard resistance values available are 0.01Ω and 0.015Ω with a power rating of up to 16W at +25°C case temperature derated to zero at +150°C. The MP916 series tolerance options available are ±5.0% ( standard) and ±20.0%. The MP915 series Kool-Pak® power film resistors are constructed with Caddock's Micronox® resistance film fired onto a flat ceramic substrate. The terminal attachment and resistance element geometry are configured to provide outstanding non-inductive performance.

  • Kool-Pak® power film through-hole resistor
  • Low-cost heat sink mountable design featuring an exposed ceramic heat dissipating mounting surface.
  • Standard resistance values available are 0.01Ω and 0.015Ω
  • Non-inductive design
  • TCR of 0 to +500 ppm/°C
  • Tolerance of ±5.0% (standard), ±20.0% is also available
  • Power rating of up to 16W at +25°C case temperature derated to zero at +150°C
  • Maximum temperature 150°C

Use your thermal design experience with power semiconductors in TO-220 style power packages to help you get the most out of this unique family of power resistors. The thermal design issues are the same where power handling capability is based on the case temperature which is maintained in your design.

The below table gives the specifications available for the complete MP900 resistor series including the MP916:

Caddock MP916 Specifications

* Please see the datasheet for the derating curve.

£0.00

Caddock MP925 Series

The MP925 Kool-Pak® power film resistors from Caddock are a low cost, heat sink mountable design featuring an exposed ceramic heat dissipating mounting surface. The resistance range is from 5KΩ up to 100KΩ with a power rating of up to 25W at +25°C case temperature derated to zero at +150°C. The MP915 series tolerance options available are ±1.0% (standard), ±5.0% and ±20.0% are also available depending on the resistance values required. The MP925 series Kool-Pak® power film resistors are constructed with Caddock's Micronox® resistance film fired onto a flat ceramic substrate. The terminal attachment and resistance element geometry are configured to provide outstanding non-inductive performance.

  • Kool-Pak® power film through-hole resistor
  • Low-cost heat sink mountable design featuring an exposed ceramic heat dissipating mounting surface
  • Resistance values available between 5KΩ and 100KΩ
  • Non-inductive design
  • TCR of -20 to +80 ppm/°C (from 0.5Ω and above)
  • Tolerance of ±1.0% as standard (±5.0% and ±20.0% are available for most resistance values)
  • Power rating of up to 25W at +25°C case temperature derated to zero at +150°C
  • Maximum voltage 500V
  • Maximum temperature 150°C

Use your thermal design experience with power semiconductors in TO-220 style power packages to help you get the most out of this unique family of power resistors. The thermal design issues are the same where power handling capability is based on the case temperature which is maintained in your design.

The below table gives the specifications available for the complete MP900 resistor series including the MP925:

Caddock MP925 Specifications

* Please see the datasheet for the derating curve.

£0.00

Caddock MP930 Series

The MP930 Kool-Pak® power film resistors from Caddock have a heat sink mountable design featuring an exposed ceramic heat dissipating mounting surface and is available at a low cost. The resistance range is from 0.02Ω up to 4.99kΩ with a power rating of up to 30W at +25°C (case temperature derated to zero at +150°C). The MP930 series tolerance options available are ±5.0% from 0.02Ω up to 0.04Ω, ±1.0% from 0.05Ω and above with ±5.0% and ±20.0% options available for most resistance values. The MP930 series Kool-Pak® power film resistors are constructed with Caddock's Micronox® resistance film fired onto a flat ceramic substrate. The terminal attachment and resistance element geometry are configured to provide outstanding non-inductive performance.

  • Kool-Pak® power film through-hole resistor
  • Low-cost heat sink mountable design featuring an exposed ceramic heat dissipating mounting surface
  • Resistance values available between 0.02Ω and 4.99kΩ
  • Non-inductive design
  • TCR of 0 to +300 ppm/°C (between 0.02Ω and 0.049Ω), 0 to +200 ppm/°C (between 0.05Ω and 0.49Ω) and -20 to +80 ppm/°C (from 0.5Ω and above)
  • Tolerance of ±5.0% from 0.02Ω up to 0.04Ω and ±1.0% from 0.05Ω and above (±5.0% and ±20.0% are available for most resistance values)
  • Power rating of up to 30W at +25°C case temperature derated to zero at +150°C
  • Maximum voltage 250V
  • Maximum temperature 150°C

Use your thermal design experience with power semiconductors in TO-220 style power packages to help you get the most out of this unique family of power resistors. The thermal design issues are the same where power handling capability is based on the case temperature which is maintained in your design.

The below table gives the specifications available for the complete MP900 resistor series including the MP930:

Caddock MP930 Specifications

* Please see the datasheet for the derating curve.

£0.00