78250JC

Overview

The Murata Power Solutions 78250JC is a board-mount power transformer designed for the MAX250/MAX251 converter series. It features a surface mount (SMD) installation style with dimensions of 12.7 mm length, 9 mm width, and 6.35 mm height. The component has an inductance of 2 mH, a turns ratio of 1:1, and a secondary current rating of 300 mA. It operates within a standard temperature range and complies with RoHS standards.

Feature Summary

• Compatible with MAX250/MAX251 converter architectures
• Surface mount package for automated assembly
• Single primary and single secondary winding configuration

Applications

• DC-DC converter modules
• Isolated power supply designs
• Industrial control systems

Procurement Notes

Verify the specific suffix requirements for your design, as variants like 78250JC-R exist with different packaging. Confirm that the 12.7mm footprint matches your PCB layout constraints. Check current availability status as lead times may vary. Ensure the 300mA secondary rating meets your load requirements before finalizing the order.

Selection Notes

Select this part when using MAX250 or MAX251 controllers requiring a 1:1 isolation transformer. The 2mH inductance supports standard switching frequencies for these converters. Consider the SMD profile if space is limited compared to through-hole alternatives like the VC series. Verify thermal performance at maximum load conditions.

Part Context

This component belongs to the 78250 series of power transformers manufactured by Murata Power Solutions. These transformers are specifically engineered to work with popular isolated DC-DC converter ICs. The series offers various mounting options including SMD and through-hole versions to suit different manufacturing needs.

Replacement Considerations

The 78250JC-R is a direct substitute variant with identical electrical characteristics but different reel packaging.