B78334B1033A003

Switching Converter, SMPS Transformers Overview

The B78334B1033A003 is a surface-mount DC/DC converter transformer manufactured by EPCOS, part of the TDK Electronics portfolio. Designed for switched-mode power supplies (SMPS), this component provides an inductance of 100µH and ensures electrical isolation of 1000Vrms between windings. It operates within a temperature range of -40°C to +85°C. The physical footprint measures 12.20mm in length and 13.60mm in width (0.480" L x 0.535" W). This transformer facilitates efficient energy transfer in compact power conversion architectures requiring high isolation standards.

Switching Converter, SMPS Transformers Feature Summary

• Engineered specifically for use in switched-mode power supply applications
• Provides robust 1000Vrms electrical isolation for safety compliance
• Utilizes surface-mount technology for automated PCB assembly

Switching Converter, SMPS Transformers Applications

• DC/DC converter modules
• Switched-mode power supplies (SMPS)
• Industrial power electronics

Switching Converter, SMPS Transformers Procurement Notes

Verify the specific manufacturer designation, as EPCOS components are now integrated into the TDK Electronics brand structure. Confirm that the requested part number matches the exact inductance and isolation requirements for your circuit design. Ensure compatibility with standard surface-mount reflow soldering profiles. Cross-reference the official TDK datasheet for precise mechanical dimensions and thermal characteristics before finalizing procurement orders.

Switching Converter, SMPS Transformers Selection Notes

Select this component when designing isolated DC/DC converters requiring a 100µH inductance value. The 1000Vrms isolation rating makes it suitable for applications demanding significant galvanic separation. Consider the specified operating temperature range of -40°C to +85°C against your environmental conditions. Evaluate the surface-mount footprint constraints to ensure adequate PCB space allocation for the 12.20mm x 13.60mm package size.

Switching Converter, SMPS Transformers Part Context

This transformer belongs to the EPCOS product line, which was acquired by TDK Corporation. TDK Electronics continues to manufacture and support these components under its global brand. The company specializes in electronic components for automotive, industrial, and consumer electronics, focusing on power management and electromagnetic compatibility solutions.

Switching Converter, SMPS Transformers Replacement Considerations

Consult the official TDK Electronics documentation for verified substitute part numbers or alternative series within the same family. Do not assume functional equivalence with generic transformers without verifying inductance, isolation voltage, and physical footprint specifications.