Marsh Electronics, Inc. - Power Resistor for Mounting onto a Heatsink Thick Film Technology SOT 227 B Case - 20W to 200W
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Power Resistor for Mounting onto a Heatsink Thick Film Technology SOT 227 B Case - 20W to 200W
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Power Resistor for Mounting onto a Heatsink Thick Film Technology SOT 227 B Case - 20W to 200W
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FEATURES
Up to 4 different ohmic values in the same case
1% tolerance available
High power rating
Wide ohmic value range
Non inductive
Easy mounting
Low thermal radiation of the case
Standard Isotop case (SOT 227 B)
This series of thick film power resistors include modules which can incorporate up to 4 different resistor values in the same SOT 227B package. Two types of terminations are available along with a 4 terminal device for measurement applications in the case of the single resistor version. This product range benefits from Vishay Sfernice’s experience in thick film power resistor technology i.e. high power: volume ratio, low tolerance or individual resistors and excellent overload capabilities (due to the trimming technique).
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Item #
Power Rating at +25°C (Chassis Mounted)
Power Rating at +25°C (Unmounted)
Insulation Resistance
Thermal Resistance (per Resistor)
Limiting Voltage
RTOP 200
200 W
5 W
> 10
6
MΩ
0.5 ºC/W
1500 V
RTOP 100
100 W
5 W
> 10
6
MΩ
1 ºC/W
1500 V
DRTOP 100
100 W
3.5 W
> 10
6
MΩ
0.5 ºC/W
500 V
DRTOP 50
50 W
3.5 W
> 10
6
MΩ
1 ºC/W
500 V
TRTOP 40
40 W
2 W
> 10
6
MΩ
0.83 ºC/W
300 V
TRTOP 30
30 W
2 W
> 10
6
MΩ
1.11 ºC/W
300 V
QRTOP 35
35 W
1.5 W
> 10
6
MΩ
0.71 ºC/W
300 V
QRTOP 20
20 W
1.5 W
> 10
6
MΩ
1.25 ºC/W
300 V
Results 1 - 8 of 8
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