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BLM31KN121SN1L - Murata Electronics

Description: BLM31_N1L Series EMI Suppression Filter 120Ω±25% at 100MHz 6A @85℃

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BLM31KN121SN1L - Murata Electronics - PCB symbol
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PCB Footprints
BLM31KN121SN1L - Murata Electronics PCB footprint - Other - Other - BLM31_2 L=3.2 W=1.6 T=1.6
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3D Models
BLM31KN121SN1L - Murata Electronics - 3D model - Other - BLM31_2 L=3.2 W=1.6 T=1.6
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BLM31KN121SN1L Details

  • Manufacturer Part Number:

    BLM31KN121SN1L

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    EIA STD PACKAGE SIZE 1206, SMD, 2 PIN

  • Country Of Origin:

    Japan

  • ECCN Code:

    EAR99

  • HTS Code:

    8504.50.80.00

  • Factory Lead Time:

    10 Weeks

  • Manufacturer:

    Murata Manufacturing Co Ltd

  • YTEOL:

    7

  • DC Resistance-Max:

    0.009 Ω

  • Filter Type:

    FERRITE CHIP

  • Height:

    1.6 mm

  • JESD-609 Code:

    e3

  • Length:

    3.2 mm

  • Mounting Type:

    SURFACE MOUNT

  • Number of Functions:

    1

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Impedance:

    120 OHM Ω

  • Packing Method:

    TR, EMBOSSED, 7 INCH

  • Rated Current:

    4 A

  • Terminal Finish:

    Tin (Sn)

  • Width:

    1.6 mm

BLM31KN121SN1L Frequently Asked Questions (FAQs)

  • The recommended land pattern for the BLM31KN121SN1L is a rectangular pad with a size of 3.2mm x 2.5mm, with a non-solder mask defined (NSMD) pad shape.
  • The BLM31KN121SN1L is rated for operation up to 125°C. For high-temperature environments, ensure proper thermal management, and consider derating the inductor's current rating to prevent overheating.
  • Yes, the BLM31KN121SN1L is suitable for high-frequency applications up to 1 GHz. However, be aware of the inductor's self-resonant frequency (SRF) and ensure that your application frequency is below the SRF to avoid resonance issues.
  • To minimize EMI, ensure proper PCB layout, use a shielded enclosure if necessary, and consider adding EMI filters or chokes in your design. Also, follow good PCB design practices, such as keeping signal traces short and away from the inductor.
  • The BLM31KN121SN1L is rated for a maximum current of 1.2A. For high-current applications, consider using multiple inductors in parallel or selecting a higher-current-rated inductor from Murata's product lineup.

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BLM31KN121SN1L Overview

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About Murata Electronics

Murata Manufacturing Co., Ltd. is a Japanese multinational company that specializes in the design, manufacturing, and sale of electronic components and solutions. Murata offers a wide range of electronic components and modules that are used in various industries and applications. Some of their key product categories include: capacitors, inductors, resistors, sensors, rf components and modules, and power devices.

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