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20J250E - Ohmite

Description: Ohmite 20 Series ceramic Axial Wirewound Resistor 250Ω ±5% 10W ±30ppm/°C

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Symbol
20J250E - Ohmite - PCB symbol
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PCB Footprints
20J250E - Ohmite PCB footprint - Resistors, Axial Diameter Horizontal Mounting - Resistors, Axial Diameter Horizontal Mounting - 20J250E
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3D Models
20J250E - Ohmite - 3D model - Resistors, Axial Diameter Horizontal Mounting - 20J250E
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20J250E Details

  • Manufacturer Part Number:

    20J250E

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    AXIAL LEADED, ROHS COMPLIANT

  • Reach Compliance Code:

    Compliant

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.21.00.80

  • Manufacturer:

    Ohmite Mfg Co

  • YTEOL:

    9

  • Additional Feature:

    FLAME PROOF

  • Construction:

    Tubular

  • Lead Diameter:

    0.8118 mm

  • Lead Length:

    38.1 mm

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    350 °C

  • Package Diameter:

    10 mm

  • Package Length:

    47.2 mm

  • Package Style:

    Axial

  • Rated Power Dissipation (P):

    10 W

  • Rated Temperature:

    25 °C

  • Resistance:

    250 Ω

  • Resistor Type:

    FIXED RESISTOR

  • Surface Mount:

    NO

  • Technology:

    WIRE WOUND

  • Terminal Shape:

    WIRE

  • Tolerance:

    5%

  • Working Voltage:

    720 V

20J250E Frequently Asked Questions (FAQs)

  • The thermal resistance of the 20J250E is typically around 10°C/W, but this can vary depending on the specific application and mounting method.
  • The 20J250E is a wirewound resistor, which can exhibit significant inductance at high frequencies. It's not recommended for high-frequency applications above 100 kHz. For high-frequency applications, consider using a thin-film or metal-film resistor instead.
  • The 20J250E is designed to withstand moderate vibration, but it's not recommended for extreme vibration environments. If you need a resistor for a high-vibration application, consider using a resistor with a more robust construction, such as a ceramic or metal-cased resistor.
  • Yes, the 20J250E is RoHS compliant, meaning it meets the European Union's Restriction of Hazardous Substances directive. However, it's always a good idea to verify compliance with the manufacturer or supplier.
  • The recommended derating for the 20J250E is typically around 50-70% of the maximum power rating, depending on the ambient temperature and airflow. This ensures reliable operation and prevents overheating.

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20J250E Overview

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