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OM8245E-R58 - Ohmite

Description: Carbon Film Resistors - Through Hole 820K Ohm 1W 5% 500 Volt

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OM8245E-R58 - Ohmite - PCB symbol
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PCB Footprints
OM8245E-R58 - Ohmite PCB footprint - Resistors, Axial Diameter Horizontal Mounting - Resistors, Axial Diameter Horizontal Mounting - om2055e
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3D Models
OM8245E-R58 - Ohmite - 3D model - Resistors, Axial Diameter Horizontal Mounting - om2055e
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OM8245E-R58 Details

  • Manufacturer Part Number:

    OM8245E-R58

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    AXIAL LEADED

  • Reach Compliance Code:

    Compliant

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.10.00.65

  • Manufacturer:

    Ohmite Mfg Co

  • YTEOL:

    6

  • Construction:

    Tubular

  • JESD-609 Code:

    e3

  • Lead Length:

    28 mm

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    155 °C

  • Package Diameter:

    5 mm

  • Package Length:

    12 mm

  • Package Style:

    Axial

  • Packing Method:

    TR

  • Rated Power Dissipation (P):

    1 W

  • Rated Temperature:

    70 °C

  • Resistance:

    820000 Ω

  • Resistor Type:

    FIXED RESISTOR

  • Surface Mount:

    NO

  • Technology:

    CARBON FILM

  • Temperature Coefficient:

    -700 ppm/°C

  • Terminal Finish:

    MATTE TIN

  • Terminal Shape:

    WIRE

  • Tolerance:

    5%

  • Working Voltage:

    500 V

OM8245E-R58 Frequently Asked Questions (FAQs)

  • The recommended mounting method for OM8245E-R58 is through-hole mounting, with the resistor body mounted vertically to ensure proper heat dissipation and to prevent mechanical stress.
  • While OM8245E-R58 is a high-power resistor, it is not designed for high-frequency applications. The resistor's inductance and capacitance may affect its performance at high frequencies, and it's recommended to use specialized high-frequency resistors for such applications.
  • OM8245E-R58 has a maximum operating temperature of 250°C, making it suitable for high-temperature environments. However, it's essential to ensure proper heat dissipation and to follow the recommended derating curves to prevent overheating and premature failure.
  • OM8245E-R58 is designed to operate in normal humidity environments. While it can tolerate some humidity, it's not recommended for use in extremely high-humidity environments. If high humidity is a concern, consider using resistors with specialized coatings or conformal coatings to protect against moisture.
  • The recommended power derating for OM8245E-R58 depends on the ambient temperature and the desired reliability. As a general rule, it's recommended to derate the power by 1-2% per degree Celsius above 25°C to ensure reliable operation and prevent overheating.

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OM8245E-R58 Overview

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