744771239

$1.73

Description：FIXED IND 390UH 680MA 690MOHM SM
Series：WE-PD
Mfr：Würth Elektronik
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:40cf560944d1 Category: Fixed Inductors Brand: Würth Elektronik

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Product introduction

744771239 is listed in the Fixed Inductors range at ChipApex. The manufacturer field lists Würth Elektronik. Its product description is FIXED IND 390UH 680MA 690MOHM SM. Review the specifications below when checking this part for your BOM.

Fixed Inductors specifications for 744771239

Description：FIXED IND 390UH 680MA 690MOHM SM
Series：WE-PD
Mfr：Würth Elektronik
Package：Tape & Reel (TR),Cut Tape (CT)
Type：Drum Core, Wirewound
Material - Core：Manganese Zinc Ferrite (MnZn)
Inductance：390 µH
Tolerance：±20%
Current Rating (Amps)：680 mA
Current - Saturation (Isat)：850mA
Shielding：Shielded
DC Resistance (DCR)：690mOhm Max
Q @ Freq：-
Frequency - Self Resonant：2.8MHz
Ratings：AEC-Q200
Operating Temperature：-40°C ~ 125°C
Inductance Frequency - Test：1 kHz
Mounting Type：Surface Mount
Package / Case：Nonstandard
Supplier Device Package：-
Size / Dimension：0.472" L x 0.472" W (12.00mm x 12.00mm)
Height - Seated (Max)：0.236" (6.00mm)
Features：-

Fixed Inductors datasheet and documents for 744771239

744771239

Fixed Inductors Overview

The Würth Elektronik 744771239 is a shielded surface-mount power inductor from the WE-PD series. It features a ferrite drum core and wirewound construction with an inductance of 390 µH and a tolerance of ±20%. The component supports a maximum DC current of 680 mA and has a maximum DC resistance of 690 mOhms. Saturation current is rated at 680 mA, with a self-resonant frequency of 1.5 MHz measured at 100 kHz. It operates within a temperature range of -40°C to +125°C and holds AEC-Q200 qualification.

Fixed Inductors Feature Summary

Shielded design minimizes electromagnetic interference coupling
AEC-Q200 qualified for automotive reliability standards
Ferrite drum core provides high saturation performance

Fixed Inductors Applications

Automotive power supply circuits
DC-DC converter output filtering
On-board charger systems

Fixed Inductors Procurement Notes

Verify the specific manufacturer part number against official Wurth Elektronik documentation to confirm electrical parameters and package dimensions. Ensure that the AEC-Q200 qualification status aligns with project requirements by checking the latest datasheet revision. Confirm that the operating temperature range and current ratings meet the system's thermal and load conditions before finalizing procurement.

Fixed Inductors Selection Notes

Select this component when a shielded SMD inductor with high inductance value is required for space-constrained designs. The WE-PD series offers consistent performance across varying temperatures. Consider the physical footprint and lead availability when integrating into PCB layouts. Compare saturation characteristics against peak load currents to ensure stable operation under transient conditions without magnetic core saturation.

Fixed Inductors Part Context

This component belongs to the WE-PD series of power chokes manufactured by Würth Elektronik. The series is designed for applications requiring robust shielding and high current handling capabilities in compact surface-mount packages. These inductors are commonly utilized in modern electronic systems where electromagnetic compatibility and reliability are critical design factors.