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TWM20J4K7E - Ohmite

Description: 4.7 kOhms ±5% 20W Through Hole Resistor Radial Flame Proof, Safety Metal Oxide Film

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TWM20J4K7E - Ohmite PCB footprint - Other - Other - TWM20J4K7E-2
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TWM20J4K7E - Ohmite  - 3D model - Other - TWM20J4K7E-2
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TWM20J4K7E Details

  • Manufacturer Part Number:

    TWM20J4K7E

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    RADIAL LEADED

  • Reach Compliance Code:

    Compliant

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.21.00.90

  • Manufacturer:

    Ohmite Mfg Co

  • YTEOL:

    6.4

  • Additional Feature:

    FLAME PROOF

  • Construction:

    Rectangular

  • Lead Spacing:

    7.5 mm

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    275 °C

  • Operating Temperature-Min:

    -55 °C

  • Package Height:

    45 mm

  • Package Length:

    20 mm

  • Package Style:

    Radial

  • Package Width:

    13 mm

  • Rated Power Dissipation (P):

    20 W

  • Rated Temperature:

    70 °C

  • Resistance:

    4700 Ω

  • Resistor Type:

    FIXED RESISTOR

  • Surface Mount:

    NO

  • Technology:

    METAL OXIDE FILM

  • Temperature Coefficient:

    350 ppm/°C

  • Terminal Shape:

    FLAT

  • Tolerance:

    5%

  • Working Voltage:

    750 V

TWM20J4K7E Frequently Asked Questions (FAQs)

  • The thermal resistance of the TWM20J4K7E is typically around 10°C/W, but this value can vary depending on the specific application and mounting method. It's recommended to consult with Ohmite's technical support or refer to the manufacturer's application notes for more information.
  • The TWM20J4K7E is a wirewound resistor, which can exhibit inductive behavior at high frequencies. While it can be used in high-frequency applications, it's not the most ideal choice. Ohmite recommends using their non-inductive resistors, such as the TWM20J4K7EN, for high-frequency applications above 100 kHz.
  • The TWM20J4K7E is designed to withstand moderate vibration levels, but it's not specifically designed for high-vibration environments. If your application requires resistance to high vibrations, Ohmite recommends using their vibration-resistant resistors, such as the TWM20J4K7EV series.
  • Ohmite recommends soldering the TWM20J4K7E at a temperature of 260°C (500°F) for a maximum of 3 seconds. Exceeding these parameters can damage the resistor or affect its performance. It's essential to follow the manufacturer's recommended soldering profile to ensure reliable operation.
  • Yes, the TWM20J4K7E resistor is RoHS (Restriction of Hazardous Substances) and REACH (Registration, Evaluation, Authorization, and Restriction of Chemicals) compliant, meeting the requirements for lead-free and hazardous substance-free components.

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TWM20J4K7E Overview

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