MP825 TO-126 Style Power Package
The MP825 and 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 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.
MP825 and MP850 Power Film Resistors
Include an Integral Metal Mounting Surface
for Highly Efficient Thermal Transfer
Certain products shown in this catalog are covered by one or more patents, there are also patents pending.
MP800 Series Kool-Pak® Power Film Resistors
TO-220 Style and TO-126 Style - Non-Inductive Designs
• 50 Watts at +25°C Case Temperature derated to zero at +150°C.
• Copper Heat Sink Integral in the Molded Package.
• Resistance Range of 0.20 ohm to 10.0 K.
• Resistor element is electrically isolated from the mounting surface.
• Non-inductive Design.
MP820 and MP821 TO-220 Style Power Package
with Metal Mounting Tab
Use your thermal design experience with power semiconductors in TO-220 and 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.
MP850 - 50.0 - 1%
Model Number:Resistor Value:Tolerance
The MP820 and 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 molded with a high temperature molding 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.
For custom resistance values and tolerances contact applications engineering
MP825 Standard Resistance Values:
0.020 Ω 5%
0.025 Ω 5%
0.030 Ω 5%
0.033 Ω 5%
0.040 Ω 5%
0.050 Ω
0.075 Ω
0.10 Ω
0.15 Ω
0.20 Ω
0.25 Ω
Tolerance MP825: ±1% standard (except as noted), (0.5%, 2%, 5%,10%, and 20% are available for most resistance values).
0.30 Ω
0.33 Ω
0.40 Ω
0.50 Ω
0.75 Ω
1.00 Ω
1.50 Ω
2.00 Ω
2.50 Ω
3.00 Ω
3.30 Ω
4.00 Ω
5.00 Ω
7.50 Ω
8.00 Ω
10.0 Ω
12.0 Ω
15.0 Ω
20.0 Ω
25.0 Ω
27.0 Ω
30.0 Ω
33.0 Ω
40.0 Ω
47.0 Ω
50.0 Ω
56.0 Ω
75.0 Ω
100 Ω
120 Ω
150 Ω
200 Ω
250 Ω
300 Ω
330 Ω
400 Ω
470 Ω
500 Ω
560 Ω
750 Ω
1.00 K
1.50 K
2.00 K
2.50 K
3.00 K
3.30 K
4.00 K
5.00 K
7.50 K
10.0 K
MP850 Standard Resistance Values:
0.20 Ω
0.25 Ω
0.30 Ω
0.33 Ω
0.40 Ω
0.50 Ω
0.75 Ω
1.00 Ω
1.50 Ω
2.00 Ω
2.50 Ω
3.00 Ω
3.30 Ω
4.00 Ω
5.00 Ω
7.50 Ω
8.00 Ω
10.0 Ω
12.0 Ω
15.0 Ω
20.0 Ω
25.0 Ω
27.0 Ω
30.0 Ω
33.0 Ω
40.0 Ω
47.0 Ω
50.0 Ω
56.0 Ω
75.0 Ω
100 Ω
120 Ω
150 Ω
200 Ω
250 Ω
300 Ω
330 Ω
400 Ω
470 Ω
500 Ω
560 Ω
750 Ω
1.00 K
1.50 K
2.00 K
Tolerance MP850: ±1% standard, (0.5%, 2%, 5%,10%, and 20% are available for most resistance values).
2.50 K
3.00 K
3.30 K
4.00 K
5.00 K
7.50 K
10.0 K
• 25 Watts at +25°C Case Temperature derated to zero at +150°C.
• Copper Heat Sink Integral in the Molded Package.
• Resistance Range of 0.020 ohm to 10.0 K.
• Resistor element is electrically isolated from the mounting surface.
• Non-inductive Design.
Construction of MP825 and MP850:
Ordering Information:
Construction of MP820 and MP821:
MP850 TO-220 Style Power Package

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