MP925 Power Film Resistors
Price on request
Product information "MP925 Power Film Resistors"
5.00 to 100 kΩ; ±1%; 25 W; TO-220 Style; Power Film
Caddock Electronics’ MP925 series of power film resistors in a TO-220 style power package feature a heat sink mountable design with an exposed ceramic heat dissipating mounting surface. Within the MP925 series, 16 different power film resistors are available with standard resistance values ranging from 5.00 kΩ to 100 kΩ.
The MP925 series power film resistors are constructed with Caddock Electronics’ Micronox® resistance film fired onto a flat ceramic substrate. The terminal attachment and resistance element geometry are configured to provide outstanding non-inductive performance.
The ceramic substrate is positioned in the molded package such that the resistor element and terminal attachment areas on the substrate are encapsulated in the molded body with the other side of the ceramic being exposed flush with the back mounting surface of the device.
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.
At +25 °C case temperature, the MP925 series allow up to 25 W, derated to zero at +150 °C. Standard tolerance is ±1%, lower tolerances (5% and 20%) are available for most resistance values on request.
Key Features:
- TO-220 Style Power Package
- 25 W at +25 °C Case Temperature, Derated to Zero at +150 °C
- Exposed Ceramic Heat Dissipating Mounting Surface
- Non-Inductive Design
- Temperature Coefficient -20 to +80 ppm/°C
- Operating Temperature -55 to +150 °C
- Very Low Inductance: 10 nH typical
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0.020 Ω to 10.0 kΩ; ±1%; 20 W; TO-220 Style; Power Film Caddock Electronics’ MPM20 series of power film resistors in a TO-220 style power package introduce a ”pure tin free” design for high-performance applications. Caddock Electronics’ proven Micronox® resistance film system is utilized in the widely accepted TO-220 Power Package to provide a compact 20 W heat sink mountable resistor. The non-inductive design makes this resistor series ideal in high frequency communications, power switching circuits and snubbers. Within the MPM20 series, 52 different power film resistors are available with standard resistance values ranging from 0.20 Ω to 10.0 kΩ. The MPM20 series power film resistors are constructed with Caddock Electronics’ Micronox® resistance film fired onto a flat ceramic substrate which is thermally bonded to the copper heat sink tab. The resistor body is then molded to finish the TO-220 style package. The lead wire attachment and resistance element geometry are configured to provide outstanding non-inductive performance. Use your thermal design experience with power semiconductors in TO-220 style power packages. This experience will 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. At +25 °C case temperature, the MPM20 series allow up to 20 W, derated to zero at +175 °C. Standard tolerance is ±1% , ±0.5% tolerance is available for most resistance values on request. Key Features: TO-220 Style Power Package Single Screw Mounting Simplifies Resistor Attachment to the Heat Sink Low Profile Provides an Easier Fit in Tight Places Molded Case for Environmental Protection 20 W at +25 °C Case Temperature, Derated to Zero at +175 °C Copper Heat Sink Integral in the Molded Package Resistor Element is Electrically Isolated From the Metal Heat Sink Tab Non-Inductive Design Temperature Coefficient Starting at -20 to +50 ppm/°C (5.00 Ω and Above) and up to 0 to +300 ppm/°C (0.049 Ω and Below) Operating Temperature -55 to +175 °C
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