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SRR1240-820M - Bourns

Description: BOURNS - SRR1240-820M - INDUCTOR, 82UH, 20%, 1.35A, SMD

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Symbol
SRR1240-820M - Bourns - PCB symbol
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PCB Footprints
SRR1240-820M - Bourns PCB footprint - Other - Other - SRR1240
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3D Models
SRR1240-820M - Bourns - 3D model - Other - SRR1240
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SRR1240-820M Details

  • Manufacturer Part Number:

    SRR1240-820M

  • Pbfree Code:

    Yes

  • 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:

    16 Weeks

  • Manufacturer:

    Bourns Inc

  • YTEOL:

    6.9

  • Case/Size Code:

    4949

  • Construction:

    Rectangular

  • Core Material:

    FERRITE

  • DC Resistance:

    0.25 Ω

  • Inductance-Nom (L):

    82 µH

  • Inductor Application:

    POWER INDUCTOR

  • Inductor Type:

    GENERAL PURPOSE INDUCTOR

  • JESD-609 Code:

    e3

  • Number of Functions:

    1

  • Number of Terminals:

    2

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Height:

    4 mm

  • Package Length:

    12.5 mm

  • Package Style:

    SMT

  • Package Width:

    12.5 mm

  • Packing Method:

    TR, EMBOSSED, 13 INCH

  • Rated Current-Max:

    1.35 A

  • Self Resonance Frequency:

    10 MHz

  • Shape/Size Description:

    RECTANGULAR PACKAGE

  • Shielded:

    YES

  • Surface Mount:

    YES

  • Terminal Finish:

    Tin (Sn) - with Nickel (Ni) barrier

  • Terminal Placement:

    DUAL ENDED

  • Terminal Shape:

    WRAPAROUND

  • Test Frequency:

    0.1 MHz

  • Tolerance:

    20%

SRR1240-820M 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 proper performance and reliability.
  • While the datasheet specifies an operating temperature range of -40°C to +125°C, Bourns recommends derating the current rating by 1.5% per degree Celsius above 80°C to ensure reliable operation. Consult Bourns' application notes for more information.
  • The datasheet specifies a maximum voltage rating of 50V, but it's essential to consider the voltage rating of the specific application. Bourns recommends following the derating curve in the datasheet to ensure safe operation.
  • While the SRR1240-820M is designed for high-current applications, it's not optimized for high-frequency use. For frequencies above 100 kHz, Bourns recommends using their high-frequency inductor series, such as the SRF1240 or SRF1260.
  • The ESR of the SRR1240-820M is not explicitly stated in the datasheet. However, Bourns provides ESR values for similar inductor series, which can be used as a reference. For the SRR1240-820M, the ESR is approximately 10-15 mΩ.

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SRR1240-820M Overview

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