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B20J300E - Ohmite

Description: Ohmite B20 Series ceramic Axial Wirewound Resistor 300Ω ±5% 20W ±260ppm/°C

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B20J300E - Ohmite - PCB symbol
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PCB Footprints
B20J300E - Ohmite PCB footprint - Other - Other - B20J300E-2
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3D Models
B20J300E - Ohmite - 3D model - Other - B20J300E-2
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B20J300E Details

  • Manufacturer Part Number:

    B20J300E

  • 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:

    10

  • Construction:

    All-Welded

  • JESD-609 Code:

    e3

  • Lead Diameter:

    1.02 mm

  • Lead Length:

    38.1 mm

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    350 °C

  • Package Diameter:

    11.11 mm

  • Package Length:

    50.8 mm

  • Package Shape:

    TUBULAR PACKAGE

  • Package Style:

    Axial

  • Rated Power Dissipation (P):

    20 W

  • Rated Temperature:

    25 °C

  • Resistance:

    300 Ω

  • Resistor Type:

    FIXED RESISTOR

  • Surface Mount:

    NO

  • Technology:

    WIRE WOUND

  • Temperature Coefficient:

    260 ppm/°C

  • Terminal Finish:

    Tin (Sn)

  • Terminal Shape:

    WIRE

  • Tolerance:

    5%

  • Working Voltage:

    750 V

B20J300E Frequently Asked Questions (FAQs)

  • The recommended soldering temperature is 260°C (500°F) with a maximum soldering time of 3 seconds. It's essential to follow the recommended soldering profile to prevent damage to the resistor.
  • While the B20J300E is a high-power resistor, it's not specifically designed for high-frequency applications. Ohmite recommends using their HF series resistors for high-frequency applications above 100 kHz.
  • The B20J300E is designed to withstand moderate vibration levels. However, for high-vibration environments, Ohmite recommends using their resistors with a more robust construction, such as the VHP series.
  • The thermal resistance of the B20J300E is approximately 10°C/W. This value is not explicitly stated in the datasheet, but it can be calculated using the resistor's power rating and package dimensions.
  • Yes, the B20J300E resistor is RoHS (Restriction of Hazardous Substances) and REACH (Registration, Evaluation, Authorization, and Restriction of Chemicals) compliant, making it suitable for use in environmentally conscious designs.

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