MP850 Power Film Resistors

Product number: SW10925

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Product information "MP850 Power Film Resistors"

0.020 Ω to 10.0 kΩ; ±1%; 50 W; TO-220 Style; Power Film

Caddock Electronics’ MP850 series of power film resistors in a TO-220 style power package feature an integral metal mounting surface for highly efficient thermal transfer. Within the MP850 series, 52 different power film resistors are available with standard resistance values ranging from 0.20 Ω to 10.0 kΩ.

The MP850 series power film resistors are constructed with Caddock Electronics’ 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 molded 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.

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 MP850 series allow up to 50 W, derated to zero at +150 °C. Standard tolerance is ±1% for all resistance values 0.050 Ω and above. Below 0.050 Ω the tolerance is ±5%. Other tolerances (±0.5%, ±2%, ±5%, ±10% and ±20%) are available for most resistance values on request.

Key Features:

TO-220 Style Power Package
50 W at +25 °C Case Temperature, Derated to Zero at +150 °C
Copper Heat Sink Integral in the Molded Package
Resistor Element Is Electrically Isolated From the Mounting Surface
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 +150 °C
Very Low Inductance: 10 nH typical

Manufacturer "Caddock Electronics"

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