750815045

Description：XFMR LED DR AC/DC CONV 3.45MH TH
Series：WE-UNIT
Mfr：Würth Elektronik
Package：Tray

SKU:9d3f11610719 Category: Switching Converter, SMPS Transformers Brand: Würth Elektronik

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Product introduction

750815045 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 CONV 3.45MH TH. Review the specifications below when checking this part for your BOM.

Switching Converter, SMPS Transformers specifications for 750815045

Description：XFMR LED DR AC/DC CONV 3.45MH TH
Series：WE-UNIT
Mfr：Würth Elektronik
Package：Tray
Type：For AC/DC Converters
Applications：LED Drivers, AC/DC SMPS
Intended Chipset：LM3448
Chipset Manufacturer：Texas Instruments
Voltage - Primary：250 ~ 375V
Voltage - Auxiliary：-
Voltage - Isolation：4500Vrms
Inductance @ Frequency：3.45mH @ 10kHz
Frequency：72kHz
Operating Temperature：-
Mounting Type：Through Hole
Size / Dimension：0.665" L x 0.740" W (16.90mm x 18.80mm)
Height - Seated (Max)：0.529" (13.44mm)
Footprint：0.665" L x 0.740" W (16.90mm x 18.80mm)
Style：-
Grade：-
Qualification：-

Switching Converter, SMPS Transformers datasheet and documents for 750815045

750815045

Switching Converter, SMPS Transformers Overview

The Würth Elektronik 750815045 is a through-hole offline flyback transformer designed for AC/DC switching mode power supplies. It features a primary voltage rating of 250 to 375 VAC and provides 4500 Vrms isolation. The component operates at a frequency of 72 kHz with an inductance of 3.45 mH measured at 10 kHz. Its physical dimensions are 16.90 mm in length, 18.80 mm in width, and a maximum height of 13.44 mm.

Switching Converter, SMPS Transformers Feature Summary

Provides high-voltage isolation capability suitable for offline applications
Engineered specifically for use with Texas Instruments LM3448 controller chips
Supports through-hole mounting for robust PCB integration

Switching Converter, SMPS Transformers Applications

LED driver circuits
Industrial control systems
Smart adapters

Switching Converter, SMPS Transformers Procurement Notes

Verify current availability status as the component may be discontinued or subject to supply constraints. Confirm that the specific package type matches the target board layout requirements. Ensure compatibility with the intended operating temperature range and regulatory certifications required for the final assembly.

Switching Converter, SMPS Transformers Selection Notes

Select this component when designing offline SMPS architectures requiring 4500 Vrms isolation. It is optimized for designs utilizing the TI LM3448 chipset. Consider the through-hole form factor and specific footprint dimensions during the PCB layout phase to ensure proper mechanical fit and electrical performance.

Switching Converter, SMPS Transformers Part Context

This part belongs to the WE-UNIT series from Würth Elektronik. It is categorized as a switching converter transformer intended for AC/DC conversion tasks. The product line focuses on providing reliable magnetic components for industrial and consumer power electronics applications.