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RES3R0E - Ohmite

Description: Arcol Ohmite 12.5W Rheostat, 3Ω, ±10%

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RES3R0E - Ohmite  - 3D model
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RES3R0E Details

  • Manufacturer Part Number:

    RES3R0E

  • 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:

    8533.31.00.00

  • 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:

    22.23 mm

  • Package Length:

    17.46 mm

  • Package Shape:

    CIRCULAR PACKAGE

  • Package Style:

    Panel Mount

  • Rated Power Dissipation (P):

    12.5 W

  • Resistance:

    3 Ω

  • Resistance Law:

    LINEAR

  • Resistor Type:

    POTENTIOMETER

  • Rotational Angle:

    300 deg

  • Surface Mount:

    NO

  • Technology:

    WIRE WOUND

  • Terminal Shape:

    LUG

  • Tolerance:

    10%

RES3R0E Frequently Asked Questions (FAQs)

  • Ohmite recommends soldering at a temperature of 250°C (482°F) for 3-5 seconds. However, it's essential to follow the specific soldering guidelines for your application and ensure that the component is not exposed to excessive heat or thermal shock.
  • The RES3R0E is designed for high-frequency applications and exhibits low inductance and capacitance. However, it's crucial to consider the self-resonant frequency (SRF) of the resistor, which is typically around 100 MHz. Above the SRF, the resistor's impedance may increase, affecting its performance.
  • The maximum power rating for the RES3R0E decreases as the operating temperature increases. For example, at 150°C (302°F), the maximum power rating is approximately 50% of the rated power at 25°C (77°F). It's essential to consult the derating curve in the datasheet to determine the maximum power rating for your specific application.
  • The RES3R0E has a moisture sensitivity level (MSL) of 1, indicating that it can withstand normal humidity levels. However, it's not recommended for use in extremely high-humidity or moisture-rich environments, as this may affect its reliability and performance. If your application requires operation in such conditions, consider using a resistor with a higher MSL rating or taking additional precautions to protect the component.
  • Ohmite recommends storing RES3R0E resistors in their original packaging, away from direct sunlight, moisture, and extreme temperatures. When handling the components, avoid touching the leads or body to prevent damage from electrostatic discharge (ESD) or contamination. Use anti-static wrist straps, mats, or other ESD protection devices to ensure safe handling.

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RES3R0E Overview

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