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PWR221T-50-25R0F - Bourns

Description: Thick Film Resistors - Through Hole RES TH TO220 25R 1% 50W

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PWR221T-50-25R0F - Bourns PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - PWR221T-50-10R0F
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PWR221T-50-25R0F - Bourns  - 3D model - Transistor Outline, Vertical - PWR221T-50-10R0F
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PWR221T-50-25R0F Details

  • Manufacturer Part Number:

    PWR221T-50-25R0F

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TO-220

  • Reach Compliance Code:

    Compliant

  • Country Of Origin:

    Costa Rica

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.29.00.00

  • Factory Lead Time:

    9 Weeks

  • Manufacturer:

    Bourns Inc

  • YTEOL:

    9

  • Additional Feature:

    FREE AIR POWER : 2.25W

  • Construction:

    Rectangular

  • Lead Diameter:

    0.72 mm

  • Lead Length:

    12.7 mm

  • Lead Spacing:

    5.08 mm

  • Mounting Feature:

    THROUGH HOLE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -55 °C

  • Package Height:

    16.26 mm

  • Package Length:

    10.41 mm

  • Package Style:

    TO-220

  • Package Width:

    3.18 mm

  • Packing Method:

    Tube

  • Rated Power Dissipation (P):

    50 W

  • Rated Temperature:

    25 °C

  • Resistance:

    25 Ω

  • Resistor Type:

    FIXED RESISTOR

  • Surface Mount:

    NO

  • Technology:

    METAL GLAZE/THICK FILM

  • Temperature Coefficient:

    100 ppm/°C

  • Terminal Finish:

    Tin (Sn) - Copper (Cu)

  • Terminal Shape:

    WIRE

  • Tolerance:

    1%

  • Working Voltage:

    250 V

PWR221T-50-25R0F Frequently Asked Questions (FAQs)

  • Bourns recommends a PCB layout with a solid ground plane, short and wide traces for the input and output, and a decoupling capacitor (e.g., 10uF) between the input and ground to minimize noise and ensure stability.
  • Ensure good airflow around the device, avoid overheating nearby components, and consider using a heat sink or thermal interface material if the device will be operating in a high-temperature environment.
  • The PWR221T-50-25R0F can handle surge currents up to 100A for 10ms, but this may affect its reliability and lifespan. Consult Bourns' application notes for more information.
  • Yes, the PWR221T-50-25R0F is designed to withstand vibrations up to 10G, but ensure the device is properly secured to the PCB and consider using a vibration-dampening material if necessary.
  • Consult Bourns' troubleshooting guide, which covers common issues such as overheating, output voltage deviations, and input voltage limitations. Also, ensure the device is properly soldered and the PCB layout is correct.

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PWR221T-50-25R0F Overview

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