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RPS100E - Ohmite

Description: Ohmite 225W Rheostat, 100Ω, ±10%

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RPS100E - Ohmite  - 3D model
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RPS100E Details

  • Manufacturer Part Number:

    RPS100E

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    ROHS COMPLIANT

  • Reach Compliance Code:

    Compliant

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.39.00.80

  • Manufacturer:

    Ohmite Mfg Co

  • YTEOL:

    7.5

  • Actuator Orientation:

    HORIZONTAL

  • Actuator Type:

    SHAFT

  • Construction:

    Open Core

  • Ganging Number:

    1

  • Mounting Feature:

    PANEL MOUNT

  • Number of Terminals:

    3

  • Number of Turns:

    1

  • Package Diameter:

    127 mm

  • Package Length:

    53.98 mm

  • Package Shape:

    CIRCULAR PACKAGE

  • Package Style:

    Panel Mount

  • Rated Power Dissipation (P):

    225 W

  • Resistance:

    100 Ω

  • Resistance Law:

    LINEAR

  • Resistor Type:

    POTENTIOMETER

  • Rotational Angle:

    310 deg

  • Surface Mount:

    NO

  • Technology:

    WIRE WOUND

  • Terminal Shape:

    LUG

  • Tolerance:

    10%

RPS100E Frequently Asked Questions (FAQs)

  • The thermal resistance of the RPS100E is not explicitly stated in the datasheet, but according to Ohmite's application notes, the thermal resistance from junction to case (RθJC) is approximately 1.5°C/W, and from case to heat sink (RθCS) is approximately 0.5°C/W.
  • Yes, the RPS100E is designed to withstand high-vibration environments. Ohmite's testing shows that the device can withstand vibrations up to 10G peak acceleration in the frequency range of 10-2000 Hz.
  • The recommended torque for the screw terminals on the RPS100E is 8-10 in-lbs (0.9-1.1 Nm). Over-tightening can damage the terminals, so it's essential to follow this recommendation.
  • The RPS100E is designed to operate in environments with relative humidity up to 95% non-condensing. However, it's essential to ensure that the device is properly sealed and protected from moisture ingress to prevent corrosion or electrical failures.
  • Ohmite recommends using a heat sink material with a thermal conductivity of at least 1.5 W/m-K, such as aluminum or copper. The heat sink should also be designed to provide adequate airflow and surface area for heat dissipation.

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RPS100E Overview

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