B78308A2485A003

Switching Converter, SMPS Transformers Overview

The B78308A2485A003 is a surface-mount transformer from the E13 EMHV series, designed for DC/DC converters. It features an inductance of 90 µH at 100 kHz and operates within a frequency range of 100 kHz to 400 kHz. The component provides 3000 Vrms isolation between primary and secondary windings. It supports forward and push-pull converter topologies with dimensions of 12.90 mm x 11.00 mm x 11.40 mm. The unit functions reliably across a temperature range of -40°C to +150°C.

Switching Converter, SMPS Transformers Feature Summary

• High dielectric strength with 3000 Vrms isolation voltage
• Compact SMD footprint compliant with IEC 60664-1 creepage and clearance standards
• Low coupling capacitance of 2 pF for reduced noise
• Automotive grade qualification under AEC-Q200 Rev. D

Switching Converter, SMPS Transformers Applications

• Forward and push-pull DC/DC converters
• Gate-drive circuits in automotive electronics
• Industrial power supply systems

Switching Converter, SMPS Transformers Procurement Notes

Verify the manufacturer date code and packaging integrity upon receipt. Confirm that the part matches the specific winding ratio required for your circuit topology. Ensure storage conditions adhere to moisture sensitivity level guidelines to prevent soldering defects during assembly.

Switching Converter, SMPS Transformers Selection Notes

Select this component when high isolation voltage is critical in a compact form factor. It is suitable for applications requiring low parasitic capacitance to minimize signal interference. Verify that the operating frequency falls within the specified 100 kHz to 400 kHz range for optimal performance.

Switching Converter, SMPS Transformers Part Context

This transformer belongs to the E13 EMHV series by TDK Electronics (formerly EPCOS). The series is engineered for high-voltage isolation in space-constrained environments. It utilizes advanced materials to meet stringent automotive reliability standards while maintaining small physical dimensions.

Switching Converter, SMPS Transformers Replacement Considerations

Check for identical winding ratios and core specifications before substitution. Ensure any alternative part meets the same 3000 Vrms isolation requirement and fits the 12.90 mm x 11.00 mm footprint. Verify thermal rating compatibility.