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TKH45P300RFE-TR - Ohmite

Description: Thick Film Resistors - SMD 300 ohms 1% 45W

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TKH45P300RFE-TR - Ohmite PCB footprint - Other - Other - TKH45P300RFE-TR-1
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TKH45P300RFE-TR - Ohmite  - 3D model - Other - TKH45P300RFE-TR-1
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TKH45P300RFE-TR Details

  • Manufacturer Part Number:

    TKH45P300RFE-TR

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    TO-252

  • Reach Compliance Code:

    Compliant

  • Country Of Origin:

    Japan, Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.29.00.00

  • Manufacturer:

    Ohmite Mfg Co

  • YTEOL:

    0

  • Construction:

    Rectangular

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    175 °C

  • Operating Temperature-Min:

    -55 °C

  • Package Height:

    0.91 mm

  • Package Length:

    12 mm

  • Package Style:

    TO-252

  • Package Width:

    8.3 mm

  • Packing Method:

    TR, 13 INCH

  • Rated Power Dissipation (P):

    45 W

  • Rated Temperature:

    25 °C

  • Resistance:

    300 Ω

  • Resistor Type:

    FIXED RESISTOR

  • Surface Mount:

    YES

  • Technology:

    METAL GLAZE/THICK FILM

  • Terminal Finish:

    Tin (Sn) - with Nickel (Ni) barrier

  • Terminal Shape:

    WRAPAROUND

  • Tolerance:

    1%

  • Working Voltage:

    500 V

TKH45P300RFE-TR Frequently Asked Questions (FAQs)

  • The thermal resistance of the TKH45P300RFE-TR is not explicitly stated in the datasheet, but it can be estimated to be around 1.5°C/W based on similar products from Ohmite Mfg Co.
  • While the TKH45P300RFE-TR is primarily designed for DC and low-frequency applications, it can be used in high-frequency applications up to 100 kHz with some derating of the power rating. However, it's recommended to consult with Ohmite Mfg Co or a qualified engineer for specific guidance.
  • The TKH45P300RFE-TR is a commercial-grade component and may not meet the stringent requirements of high-reliability or aerospace applications. Ohmite Mfg Co may offer specialized versions of this component that meet these requirements, but it's essential to consult with their sales team or a qualified engineer for guidance.
  • Yes, the TKH45P300RFE-TR can be mounted on a heatsink to improve thermal dissipation. However, it's essential to ensure the heatsink is compatible with the component's package and thermal interface material, and to follow proper mounting and thermal interface guidelines.
  • The recommended soldering profile for the TKH45P300RFE-TR is not explicitly stated in the datasheet, but a typical reflow soldering profile with a peak temperature of 260°C and a dwell time of 20-30 seconds is suitable. However, it's recommended to consult with Ohmite Mfg Co or a qualified engineer for specific guidance.

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TKH45P300RFE-TR Overview

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