B78307A9741A003

$5.33

Description：XFMR FLYBACK DC/DC CONV 100UH SM
Series：E10 EM
Mfr：EPCOS - TDK Electronics
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:563286b3e117 Category: Switching Converter, SMPS Transformers Brand: EPCOS - TDK Electronics

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Product introduction

B78307A9741A003 is listed in the Switching Converter, SMPS Transformers range at ChipApex. The manufacturer field lists EPCOS - TDK Electronics. Its product description is XFMR FLYBACK DC/DC CONV 100UH SM. Review the specifications below when checking this part for your BOM.

Switching Converter, SMPS Transformers specifications for B78307A9741A003

Description：XFMR FLYBACK DC/DC CONV 100UH SM
Series：E10 EM
Mfr：EPCOS - TDK Electronics
Package：Tape & Reel (TR),Cut Tape (CT)
Type：For DC/DC Converters
Applications：Flyback Converters
Intended Chipset：-
Chipset Manufacturer：-
Voltage - Primary：-
Voltage - Auxiliary：-
Voltage - Isolation：-
Inductance @ Frequency：100µH @ 100kHz
Frequency：100 ~ 500kHz
Operating Temperature：-40°C ~ 150°C
Mounting Type：Surface Mount
Size / Dimension：0.461" L x 0.367" W (11.70mm x 9.33mm)
Height - Seated (Max)：0.447" (11.35mm)
Footprint：0.518" L x 0.461" W (13.15mm x 11.70mm)
Style：-
Grade：Automotive
Qualification：AEC-Q200

Switching Converter, SMPS Transformers datasheet and documents for B78307A9741A003

B78307A9741A003

Switching Converter, SMPS Transformers Overview

The B78307A9741A003 is an auxiliary transformer from the EPCOS - TDK Electronics brand, designed for surface mount applications in switching power supplies. It features a turns ratio of 1:4 and a minimum inductance of 10μH. The component has a maximum leakage inductance of 60nH and withstands 3.75kVrms for one minute. Operating temperature ranges from -40 to 150°C, and it holds AEC-Q200 certification for automotive use. Dimensions are 13.15mm length, 11.70mm width, and 11.35mm thickness.

Switching Converter, SMPS Transformers Feature Summary

Designed as a gate-drive transformer for general automotive applications
Certified under AEC-Q200 standards for automotive reliability
Supports high operating temperatures up to 150°C

Switching Converter, SMPS Transformers Applications

General automotive electronics
Gate-drive transformer circuits
Switching mode power supply (SMPS) systems

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific suffix 'A003' against official TDK documentation to confirm exact electrical tolerances and packaging specifications. Ensure compatibility with AEC-Q200 requirements if used in automotive contexts. Cross-reference datasheet parameters such as leakage inductance and withstand voltage before integration into final designs.

Switching Converter, SMPS Transformers Selection Notes

Select this component when a gate-drive transformer with high thermal stability and automotive certification is required. The 1:4 turns ratio and low leakage inductance suit specific isolation needs. Verify that the 13.15mm footprint fits the PCB layout constraints compared to smaller alternatives in the B78307 series.

Switching Converter, SMPS Transformers Part Context

This part belongs to the B78307 series of transformers manufactured by TDK Electronics, formerly known for its EPCOS brand. The series includes various auxiliary and gate-drive transformers optimized for SMPS applications. The B78307A variant specifically targets automotive environments requiring robust performance across wide temperature ranges.