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B82747S4303A041 - TDK

Description: Epcos 0.82 mH ±30% Ferrite Toroidal Inductor, Max SRF:10kHz, 35A Idc, 1.4mΩ Rdc B82747S

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B82747S4303A041 - TDK - PCB symbol
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B82747S4303A041 - TDK PCB footprint - Other - Other - B82747S4303A041
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B82747S4303A041 - TDK - 3D model - Other - B82747S4303A041
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B82747S4303A041 Details

  • Manufacturer Part Number:

    B82747S4303A041

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    RADIAL LEADED

  • Country Of Origin:

    India

  • ECCN Code:

    EAR99

  • HTS Code:

    8504.50.80.00

  • Factory Lead Time:

    19 Weeks

  • Manufacturer:

    TDK Corporation

  • YTEOL:

    7

  • Construction:

    Circular

  • DC Resistance:

    0.0014 Ω

  • Inductance-Nom (L):

    820 µH

  • Inductor Application:

    POWER INDUCTOR

  • Inductor Type:

    GENERAL PURPOSE INDUCTOR

  • JESD-609 Code:

    e3

  • Lead Diameter:

    2.8 mm

  • Lead Length:

    4 mm

  • Number of Functions:

    3

  • Number of Terminals:

    6

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Diameter:

    64 mm

  • Package Length:

    35 mm

  • Package Style:

    Radial

  • Packing Method:

    Bulk

  • Rated Current-Max:

    35 A

  • Reference Standard:

    CUL; EN; IEC60938-2; UL

  • Shape/Size Description:

    CIRCULAR PACKAGE

  • Shielded:

    NO

  • Special Feature:

    INDUCTANCE IS MEASURED AT 0.1 MILLI AMPERE

  • Surface Mount:

    NO

  • Terminal Finish:

    Tin (Sn)

  • Terminal Placement:

    RADIAL

  • Terminal Shape:

    WIRE

  • Test Frequency:

    0.01 MHz

  • Tolerance:

    35%

B82747S4303A041 Frequently Asked Questions (FAQs)

  • The recommended land pattern for the B82747S4303A041 can be found in the TDK Corporation's application note or footprint library. It typically includes a rectangular pad with a size of around 3.5mm x 2.5mm, with a 1.5mm diameter hole in the center for the inductor's terminal.
  • The B82747S4303A041's thermal derating is typically handled by reducing the maximum current rating as the operating temperature increases. TDK Corporation provides a thermal derating curve in the datasheet, which shows the maximum current rating at different temperatures. Engineers should ensure that their design stays within the recommended current rating at the expected operating temperature.
  • The self-resonant frequency (SRF) of the B82747S4303A041 is not explicitly stated in the datasheet. However, it can be estimated using the inductor's inductance value and the parasitic capacitance. As a rough estimate, the SRF can be calculated using the formula: SRF = 1 / (2 * pi * sqrt(L * C)), where L is the inductance value and C is the parasitic capacitance. For the B82747S4303A041, the estimated SRF is around 100-150 MHz.
  • The B82747S4303A041 is a general-purpose inductor suitable for a wide range of applications, including high-frequency circuits. However, its performance at high frequencies may be limited by its parasitic capacitance and resistance. Engineers should evaluate the inductor's impedance characteristics at the desired frequency to ensure it meets their application's requirements.
  • The moisture sensitivity level (MSL) of the B82747S4303A041 is typically classified as MSL 1, which means it can withstand a maximum of 30°C/60%RH for 168 hours. This rating indicates that the inductor is suitable for standard surface-mount technology (SMT) assembly processes.

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B82747S4303A041 Overview

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About TDK

TDK-Lambda is a global supplier of power supplies and related products. It is a subsidiary of TDK Corporation, a leading electronics company based in Japan. TDK-Lambda specializes in designing and manufacturing a wide range of AC-DC power supplies, DC-DC converters, programmable power supplies, and EMC/EMI filters for various industries and applications.

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Part Image B82747S4303A041 TDK Electronics

General Purpose Inductor, 820uH, 35%, 3 Element