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SF-1210S250W-2 - Bourns

Description: BOURNS - SF-1210S250W-2 - Fuse, Surface Mount, Wire Core, 2.5 A, SinglFuse SF-1210SxxxW Series, 125 V, 65 V, Slow Blow, 1210

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SF-1210S250W-2 - Bourns - PCB symbol
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PCB Footprints
SF-1210S250W-2 - Bourns PCB footprint - Fuses Chip - Fuses Chip - SF-1210S250W-2
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3D Models
SF-1210S250W-2 - Bourns - 3D model - Fuses Chip - SF-1210S250W-2
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SF-1210S250W-2 Details

  • Manufacturer Part Number:

    SF-1210S250W-2

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • ECCN Code:

    EAR99

  • HTS Code:

    8536.10.00.40

  • Manufacturer:

    Bourns Inc

  • YTEOL:

    0

  • Blow Characteristic:

    SLOW

  • Body Breadth:

    2.5 mm

  • Body Height:

    1.6 mm

  • Body Length or Diameter:

    3.2 mm

  • Circuit Protection Type:

    ELECTRIC FUSE

  • Fuse Size:

    1210

  • JESD-609 Code:

    e3

  • Joule Integral-Nom:

    1 J

  • Mounting Feature:

    SURFACE MOUNT

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Packing Method:

    TR, 7 INCH

  • Pre-arcing Time-Min:

    5000 ms

  • Rated Breaking Capacity:

    100 A

  • Rated Current:

    2.5 A

  • Rated Voltage(AC):

    125 V

  • Reference Standard:

    UL

  • Surface Mount:

    YES

  • Terminal Finish:

    TIN OVER NICKEL

  • Terminal Shape:

    WRAPAROUND

SF-1210S250W-2 Frequently Asked Questions (FAQs)

  • Bourns recommends a symmetrical PCB layout with a solid ground plane, and keeping the input and output traces as short as possible to minimize EMI and noise. A 4-layer PCB with a dedicated ground plane is also recommended.
  • Ensure good airflow around the device, and consider using a heat sink if the device is expected to operate in high-temperature environments. Also, follow the recommended derating curves for temperature and power handling.
  • Bourns recommends using a low-ESR ceramic capacitor with a value of 10uF to 22uF, and a voltage rating of at least 25V. The capacitor should be placed as close to the input pins as possible.
  • The SF-1210S250W-2 is a commercial-grade device, but Bourns offers a range of high-reliability and aerospace-grade products that meet specific industry standards (e.g., MIL-PRF-38534). Contact Bourns for more information on these products.
  • Check the input voltage, output load, and PCB layout for any issues. Verify that the device is operated within its specified ratings and that the recommended input and output capacitors are used. Consult the datasheet and application notes for troubleshooting guidelines.

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SF-1210S250W-2 Overview

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