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SRR1240-8R2M - Bourns

Description: BOURNS - SRR1240-8R2M - INDUCTOR, 8.2UH, 20%, 4.5A, SMD

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PCB Footprints
SRR1240-8R2M - Bourns PCB footprint - Inductors Precision Moulded - Inductors Precision Moulded - 5050
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3D Models
SRR1240-8R2M - Bourns  - 3D model - Inductors Precision Moulded - 5050
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SRR1240-8R2M Details

  • Manufacturer Part Number:

    SRR1240-8R2M

  • 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:

    7.2

  • Case/Size Code:

    4949

  • Construction:

    Rectangular

  • Core Material:

    FERRITE

  • DC Resistance:

    0.027 Ω

  • Inductance-Nom (L):

    8.2 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:

    4.5 A

  • Self Resonance Frequency:

    32 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%

SRR1240-8R2M Frequently Asked Questions (FAQs)

  • The recommended land pattern for the SRR1240-8R2M can be found in the Bourns Application Note S-8151, which provides guidelines for PCB layout and land pattern design.
  • The SRR1240-8R2M has a maximum operating temperature of 125°C. To ensure reliable operation, it's essential to provide adequate heat sinking and thermal management. A thermal interface material (TIM) can be used to improve heat transfer between the device and the heat sink.
  • The recommended soldering profile for the SRR1240-8R2M is a peak temperature of 260°C for 10-15 seconds, with a ramp-up rate of 3°C/second and a ramp-down rate of 6°C/second. This profile is based on the IPC/J-STD-020 standard.
  • Yes, the SRR1240-8R2M is designed to withstand high-vibration environments. It has a vibration rating of 10G peak acceleration, 10-2000 Hz frequency range, and 1 hour duration per axis (X, Y, Z). However, it's essential to ensure proper mounting and securing of the device to prevent mechanical stress.
  • To ensure EMC with the SRR1240-8R2M, follow proper PCB design and layout guidelines, use shielding and filtering components as needed, and ensure that the device is properly grounded and bonded to the chassis.

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SRR1240-8R2M Overview

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