750311553

$4.11

Description：XFMR LED DR AC/DC 803.5UH TH
Series：WE-FB, MID-OLTI
Mfr：Würth Elektronik
Package：Tray

SKU:e4022026eb53 Category: Switching Converter, SMPS Transformers Brand: Würth Elektronik

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Product introduction

750311553 is listed in the Switching Converter, SMPS Transformers range at ChipApex. The manufacturer field lists Würth Elektronik. Its product description is XFMR LED DR AC/DC 803.5UH TH. Review the specifications below when checking this part for your BOM.

Switching Converter, SMPS Transformers specifications for 750311553

Description：XFMR LED DR AC/DC 803.5UH TH
Series：WE-FB, MID-OLTI
Mfr：Würth Elektronik
Package：Tray
Type：For AC/DC Converters
Applications：LED Drivers, AC/DC SMPS
Intended Chipset：LM3445
Chipset Manufacturer：National Semiconductor
Voltage - Primary：115V
Voltage - Auxiliary：-
Voltage - Isolation：4500Vrms
Inductance @ Frequency：803.5µH @ 100kHz, 50.2µH @ 100kHz
Frequency：100kHz
Operating Temperature：-40°C ~ 125°C
Mounting Type：Through Hole
Size / Dimension：-
Height - Seated (Max)：0.635" (16.13mm)
Footprint：0.800" L x 0.960" W (20.32mm x 24.38mm)
Style：-
Grade：-
Qualification：-

Switching Converter, SMPS Transformers datasheet and documents for 750311553

750311553

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 750311553 is a surface-mount flyback transformer designed for DC/DC converter applications. It features an inductance of 803.5 µH at 150 kHz and provides 4500Vrms isolation voltage. The component operates within a temperature range of -40°C to 125°C and is intended for use in LED driver systems and AC/DC switched-mode power supplies.

Switching Converter, SMPS Transformers Feature Summary

High isolation voltage of 4500Vrms for enhanced safety
Optimized for LED driver and SMPS topologies
Surface mount package for automated assembly

Switching Converter, SMPS Transformers Applications

LED driver circuits
AC/DC switched-mode power supply systems
DC/DC converter modules

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific datasheet version when sourcing, as design specifications may be subject to change notices. Confirm that the 4500Vrms isolation rating aligns with your system's safety requirements. Ensure the operating frequency matches your controller's switching parameters before finalizing procurement.

Switching Converter, SMPS Transformers Selection Notes

Select this component for designs requiring high isolation in compact form factors. It is suitable for applications where thermal stability up to 125°C is necessary. Consider the 803.5 µH inductance value when designing the feedback loop and energy storage requirements for the target power stage.

Switching Converter, SMPS Transformers Part Context

This part belongs to the Würth Elektronik WE-FB series of flyback transformers. These components are engineered for efficiency in modern power conversion architectures. The series supports various industrial and consumer electronics applications requiring reliable galvanic isolation between primary and secondary sides.