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MF-FSMF025X-2 - Bourns

Description: Resettable Fuses - PPTC PTC RESETTABLE 0.25A 6V SMD 0603

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MF-FSMF025X-2 Details

  • Manufacturer Part Number:

    MF-FSMF025X-2

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    CHIP

  • Reach Compliance Code:

    Compliant

  • ECCN Code:

    EAR99

  • HTS Code:

    8533.40.80.70

  • Factory Lead Time:

    10 Weeks

  • Manufacturer:

    Bourns Inc

  • YTEOL:

    8.25

  • Additional Feature:

    RMIN AT 23 DEG CEL

  • JESD-609 Code:

    e4

  • Mounting Feature:

    SURFACE MOUNT

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Height:

    0.65 mm

  • Package Length:

    1.85 mm

  • Package Style:

    SMT

  • Package Width:

    1.05 mm

  • Packing Method:

    TR, 7 INCH

  • Reference Standard:

    CUL; TUV; UL

  • Resistance:

    0.2 Ω

  • Resistor Type:

    PTC RESETTABLE FUSE

  • Surface Mount:

    YES

  • Terminal Finish:

    Gold (Au) - with Nickel (Ni) barrier

  • Terminal Placement:

    DUAL ENDED

  • Terminal Shape:

    WRAPAROUND

  • Thermistor Application:

    OVERCURRENT PROTECTION

  • Working Voltage:

    6 V

MF-FSMF025X-2 Frequently Asked Questions (FAQs)

  • Bourns provides a recommended PCB layout and land pattern in their application note AN164, which can be found on their website. It's essential to follow these guidelines to ensure optimal performance and minimize parasitic effects.
  • According to Bourns, the MF-FSMF025X-2 has a thermal derating curve that can be found in the datasheet. To handle thermal derating, engineers should consider the maximum operating temperature and adjust the fuse's current rating accordingly to prevent premature failure.
  • Bourns recommends a soldering profile with a peak temperature of 260°C (500°F) and a dwell time of 10-30 seconds. It's essential to follow this profile to prevent damage to the fuse and ensure reliable operation.
  • While the MF-FSMF025X-2 is a robust component, it's still important to consider the environmental conditions in which it will operate. Bourns recommends consulting their application note AN165 for guidance on using their fuses in high-vibration or high-shock environments.
  • To determine the correct fuse rating, engineers should consider the maximum current, voltage, and power requirements of their application. Bourns provides a fuse selection guide on their website, which can help engineers choose the appropriate fuse rating.

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MF-FSMF025X-2 Overview

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