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RES25RE - Ohmite

Description: Arcol Ohmite 12.5W Rheostat, 25Ω, ±10%

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RES25RE - Ohmite  - 3D model
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RES25RE Details

  • Manufacturer Part Number:

    RES25RE

  • 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:

    25 Ω

  • Resistance Law:

    LINEAR

  • Resistor Type:

    POTENTIOMETER

  • Rotational Angle:

    300 deg

  • Surface Mount:

    NO

  • Technology:

    WIRE WOUND

  • Terminal Shape:

    LUG

  • Tolerance:

    10%

RES25RE Frequently Asked Questions (FAQs)

  • The thermal resistance of the RES25RE is typically around 10°C/W, but it can vary depending on the specific application and mounting method. It's recommended to consult with Ohmite's application engineers for more detailed information.
  • While the RES25RE is primarily designed for low-frequency applications, it can be used in high-frequency applications up to 100 kHz with some limitations. However, it's essential to consider the self-resonant frequency, parasitic inductance, and skin effect when designing high-frequency circuits.
  • To ensure reliable soldering, follow Ohmite's recommended soldering profile, which typically involves a peak temperature of 260°C (500°F) for 10-15 seconds. Additionally, use a solder with a high melting point (e.g., 96.5Sn/3.0Ag/0.5Cu) and ensure the component is properly cleaned and prepared before soldering.
  • Ohmite recommends derating the RES25RE by 1.25% per degree Celsius above 25°C (77°F) to ensure reliable operation. For example, at 50°C (122°F), the resistor's power rating would be reduced by 25%.
  • While the RES25RE is designed to withstand normal environmental conditions, it may not be suitable for high-vibration or high-shock applications. Ohmite offers specialized resistors with enhanced mechanical robustness for such environments; consult with their application engineers for more information.

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RES25RE Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like RES25, or try a keyword search, such as Variable Resistors

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