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42J300E - Ohmite

Description: Ohmite 42 Series ceramic Axial Ceramic Resistor 300Ω ±5% 2W ±20ppm/°C

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Symbol
42J300E - Ohmite - PCB symbol
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PCB Footprints
42J300E - Ohmite PCB footprint - Resistors, Axial Diameter Horizontal Mounting - Resistors, Axial Diameter Horizontal Mounting - 42J300E-1
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3D Models
42J300E - Ohmite - 3D model - Resistors, Axial Diameter Horizontal Mounting - 42J300E-1
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42J300E Details

  • Manufacturer Part Number:

    42J300E

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    AXIAL LEADED

  • Reach Compliance Code:

    Compliant

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.21.00.80

  • Manufacturer:

    Ohmite Mfg Co

  • YTEOL:

    9

  • Construction:

    Tubular

  • Lead Diameter:

    0.812 mm

  • Lead Length:

    38.1 mm

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    275 °C

  • Operating Temperature-Min:

    -55 °C

  • Package Diameter:

    5.6 mm

  • Package Length:

    10.3 mm

  • Package Style:

    Axial

  • Rated Power Dissipation (P):

    2 W

  • Rated Temperature:

    25 °C

  • Resistance:

    300 Ω

  • Resistor Type:

    FIXED RESISTOR

  • Surface Mount:

    NO

  • Technology:

    WIRE WOUND

  • Terminal Shape:

    WIRE

  • Tolerance:

    5%

  • Working Voltage:

    100 V

42J300E Frequently Asked Questions (FAQs)

  • The thermal resistance of the 42J300E is typically around 10°C/W, but it's recommended to consult Ohmite's application notes or contact their support for specific thermal management guidance.
  • While the 42J300E is a wirewound resistor, it's not optimized for high-frequency applications. Ohmite recommends using their thin-film or metal foil resistors for high-frequency designs.
  • The 42J300E is designed to withstand moderate vibration, but Ohmite recommends consulting their application notes or contacting their support for specific guidance on vibration testing and derating.
  • Ohmite recommends soldering the 42J300E at a temperature of 260°C (500°F) for 3-5 seconds, with a maximum temperature of 300°C (572°F) for 1 second. However, it's essential to follow the specific soldering guidelines provided by Ohmite or consult their application notes.
  • Yes, the 42J300E is RoHS and REACH compliant, meeting the European Union's directives for restricted substances and hazardous materials.

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