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SRR1240-180M - Bourns

Description: BOURNS - SRR1240-180M - Power Inductor (SMD), 18 µH, 3.2 A, Shielded, 3 A, SRR1240 Series, 12.5mm x 12.5mm x 4mm

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PCB Footprints
SRR1240-180M - Bourns PCB footprint - Inductors Precision Moulded - Inductors Precision Moulded - 12.70mm x 10.00mm-
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3D Models
SRR1240-180M - Bourns  - 3D model - Inductors Precision Moulded - 12.70mm x 10.00mm-
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SRR1240-180M Details

  • Manufacturer Part Number:

    SRR1240-180M

  • 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:

    6.7

  • Case/Size Code:

    4949

  • Construction:

    Rectangular

  • Core Material:

    FERRITE

  • DC Resistance:

    0.055 Ω

  • Inductance-Nom (L):

    18 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:

    3.2 A

  • Self Resonance Frequency:

    20 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%

SRR1240-180M Frequently Asked Questions (FAQs)

  • Bourns provides a recommended PCB layout and land pattern in their application note AN204, which can be found on their website. Following this layout ensures optimal performance and minimizes parasitic effects.
  • To handle the high current rating, ensure that your PCB design includes adequate copper thickness, width, and thermal relief to dissipate heat. Additionally, consider using thermal vias and heat sinks to further reduce thermal resistance.
  • While the datasheet specifies an operating temperature range of -40°C to 125°C, it's essential to note that the device's performance and reliability may degrade at extreme temperatures. Consult with Bourns' application engineers for specific guidance on operating temperature ranges for your application.
  • Yes, the SRR1240-180M is designed to withstand high-vibration and high-shock environments. However, it's crucial to follow proper mounting and soldering techniques to ensure the device remains securely attached to the PCB. Consult with Bourns' application engineers for specific guidance on mechanical stress testing and environmental considerations.
  • To ensure EMC, follow proper PCB design and layout practices, such as using ground planes, shielding, and decoupling capacitors. Additionally, consider using EMI filters and common-mode chokes to minimize electromagnetic interference.

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SRR1240-180M Overview

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