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SRR4818A-120M - Bourns

Description: 12 µH Shielded Drum Core, Wirewound Inductor 1.6 A 170mOhm Max Nonstandard

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Symbol
SRR4818A-120M - Bourns - PCB symbol
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PCB Footprints
SRR4818A-120M - Bourns PCB footprint - Other - Other - SRR4818A-120M-2
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3D Models
SRR4818A-120M - Bourns - 3D model - Other - SRR4818A-120M-2
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SRR4818A-120M Details

  • Manufacturer Part Number:

    SRR4818A-120M

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    CHIP

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8504.50.80.00

  • Factory Lead Time:

    14 Weeks

  • Manufacturer:

    Bourns Inc

  • YTEOL:

    7.4

  • Case/Size Code:

    1919

  • Construction:

    Rectangular

  • Core Material:

    FERRITE

  • DC Resistance:

    0.17 Ω

  • Inductance-Nom (L):

    12 µH

  • Inductor Application:

    POWER INDUCTOR

  • Inductor Type:

    GENERAL PURPOSE INDUCTOR

  • Number of Functions:

    1

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Height:

    1.8 mm

  • Package Length:

    4.8 mm

  • Package Style:

    SMT

  • Package Width:

    4.8 mm

  • Packing Method:

    TR, Embossed, 7 Inch

  • Rated Current-Max:

    1.6 A

  • Reference Standard:

    AEC-Q200

  • Self Resonance Frequency:

    37 MHz

  • Shape/Size Description:

    RECTANGULAR PACKAGE

  • Shielded:

    YES

  • Surface Mount:

    YES

  • Terminal Finish:

    Tin/Silver/Copper (Sn/Ag/Cu)

  • Terminal Placement:

    DUAL ENDED

  • Terminal Shape:

    WRAPAROUND

  • Test Frequency:

    0.1 MHz

  • Tolerance:

    20%

SRR4818A-120M Frequently Asked Questions (FAQs)

  • Bourns recommends a symmetrical PCB layout with a solid ground plane, and keeping the component away from high-frequency noise sources. A minimum of 2 oz copper thickness is recommended for the PCB.
  • The SRR4818A-120M is rated for operation up to 125°C, but its inductance and Q factor may degrade at high temperatures. Bourns recommends derating the component's performance by 1% per degree Celsius above 80°C.
  • Bourns recommends a soldering profile with a peak temperature of 240°C, a dwell time of 3-5 seconds, and a ramp rate of 3°C/second. Hand soldering is not recommended due to the component's small size.
  • Yes, the SRR4818A-120M is suitable for high-reliability applications, including automotive, aerospace, and industrial control systems. However, Bourns recommends following their recommended design and manufacturing guidelines to ensure optimal performance and reliability.
  • The SRR4818A-120M is designed to withstand vibrations up to 10 G, but its performance may degrade at higher vibration levels. Bourns recommends securing the component to the PCB using a suitable adhesive or mechanical fastening method to minimize vibration-induced stress.

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SRR4818A-120M Overview

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