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PWR221T-30-R500F - Bourns

Description: BOURNS - PWR221T-30-R500F - Current Sense Resistor, 0.5 ohm, PWR221T-30 Series, 30 W, Thick Film, TO-220, ± 1%

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PWR221T-30-R500F - Bourns PCB footprint - Transistor Outline, Vertical - Transistor Outline, Vertical - PWR221T-30
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PWR221T-30-R500F - Bourns  - 3D model - Transistor Outline, Vertical - PWR221T-30
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PWR221T-30-R500F Details

  • Manufacturer Part Number:

    PWR221T-30-R500F

  • 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:

    8

  • Additional Feature:

    FREE AIR POWER : 2.25W

  • Construction:

    Rectangular

  • JESD-609 Code:

    e3

  • 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:

    Radial

  • Package Width:

    3.18 mm

  • Packing Method:

    TUBE

  • Rated Power Dissipation (P):

    30 W

  • Rated Temperature:

    25 °C

  • Reference Standard:

    AEC-Q200

  • Resistance:

    0.5 Ω

  • Resistor Type:

    FIXED RESISTOR

  • Surface Mount:

    NO

  • Technology:

    METAL GLAZE/THICK FILM

  • Temperature Coefficient:

    100 ppm/°C

  • Terminal Finish:

    MATTE TIN

  • Terminal Shape:

    WIRE

  • Tolerance:

    1%

  • Working Voltage:

    250 V

PWR221T-30-R500F Frequently Asked Questions (FAQs)

  • Bourns recommends a PCB layout with a solid ground plane, minimal track length, and a decoupling capacitor (e.g., 10nF) between the input and output pins to minimize noise and ensure stability.
  • Ensure good airflow around the device, use a heat sink if necessary, and avoid exceeding the maximum junction temperature (TJ) of 125°C. Also, consider the thermal resistance (RθJA) of 30°C/W when designing the system.
  • Bourns recommends a low-ESR ceramic capacitor (e.g., X5R or X7R) with a value between 10uF to 22uF, depending on the input voltage and ripple requirements.
  • The PWR221T-30-R500F is an industrial-grade device, but it may not meet the specific requirements of high-reliability or automotive applications. Consult Bourns' application notes and reliability reports to determine suitability.
  • Consult Bourns' troubleshooting guide, which provides a step-by-step approach to identifying and resolving common issues. Also, ensure proper PCB layout, component selection, and thermal management.

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PWR221T-30-R500F Overview

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