749196221

$4.79

Description：XFMR FLEXIBLE CONFIG DC/DC SMD
Series：WE-FLEX
Mfr：Würth Elektronik
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:fd4aa36de64c Category: Switching Converter, SMPS Transformers Brand: Würth Elektronik

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Product introduction

Product Detailed Parameters

Description：XFMR FLEXIBLE CONFIG DC/DC SMD
Series：WE-FLEX
Mfr：Würth Elektronik
Package：Tape & Reel (TR),Cut Tape (CT)
Type：Configurable (For DC/DC)
Applications：Flexible
Intended Chipset：-
Chipset Manufacturer：-
Voltage - Primary：-
Voltage - Auxiliary：-
Voltage - Isolation：500VDC
Inductance @ Frequency：-
Frequency：-
Operating Temperature：-40°C ~ 125°C
Mounting Type：Surface Mount
Size / Dimension：0.642" L x 0.472" W (16.30mm x 12.00mm)
Height - Seated (Max)：0.291" (7.40mm)
Footprint：-
Style：-
Grade：-
Qualification：-

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749196221

Overview

The Würth Elektronik 749196221 is a flexible, configurable DC/DC SMPS transformer from the WE-FLEX series. It features 500VDC isolation and surface mount installation. Key electrical parameters include an inductance of 11.6µH, a DCR of 159mOhms, and a current rating of 950 mA. The component operates within a temperature range of -40°C to +125°C. Physical dimensions are 16.30mm length, 12.00mm width, and a maximum height of 7.40mm.

Feature Summary

Flexible design allows for customizable winding configurations to meet specific DC/DC converter requirements.
Provides robust 500VDC isolation capability for safety-critical power supply applications.
Optimized for surface mount technology (SMT) assembly processes.

Applications

Isolated DC/DC converter modules
Switched-mode power supplies (SMPS)
Industrial control power systems

Procurement Notes

Verify the exact part number against manufacturer datasheets to ensure correct configuration. Confirm that the 500VDC isolation rating and 11.6µH inductance match your circuit design requirements. Check for RoHS compliance status and moisture sensitivity level before procurement. Ensure the surface mount package dimensions fit your PCB layout constraints.

Selection Notes

Select this component when a customizable transformer topology is required for isolated DC/DC conversion. The WE-FLEX series offers flexibility in pinout and winding ratios. Consider the 500VDC isolation voltage and operating temperature range of -40°C to +125°C for environmental suitability. Verify that the 950 mA current rating and low DCR meet the efficiency and thermal performance goals of the target application.

Part Context

This component belongs to the Würth Elektronik WE-FLEX series, which specializes in flexible transformers for power electronics. The series is designed to provide adaptable solutions for various DC/DC converter topologies. The 749196221 variant specifically addresses needs for configurable isolation and compact surface mount integration in modern power supply designs.

Replacement Considerations

The 749196321 is listed as a substitute part by Würth Elektronik. Verify compatibility regarding electrical specifications and physical dimensions before substitution.