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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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).

  • RTOP

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    Dimensional Drawing

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      Results 1 - 8 of 8 1 

    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 > 106 0.5 ºC/W 1500 V
    RTOP 100 100 W 5 W > 106 1 ºC/W 1500 V
    DRTOP 100 100 W 3.5 W > 106 0.5 ºC/W 500 V
    DRTOP 50 50 W 3.5 W > 106 1 ºC/W 500 V
    TRTOP 40 40 W 2 W > 106 0.83 ºC/W 300 V
    TRTOP 30 30 W 2 W > 106 1.11 ºC/W 300 V
    QRTOP 35 35 W 1.5 W > 106 0.71 ºC/W 300 V
    QRTOP 20 20 W 1.5 W > 106 1.25 ºC/W 300 V
      Results 1 - 8 of 8 1 
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