78253/35JVC

Overview

The Murata Power Solutions Inc. 78253/35JVC is a surface-mount specialty transformer designed for the MAX253 controller. It features a toroidal converter topology with an inductance of 360 uH and supports switching frequencies up to 500 kHz. The device provides galvanic isolation with a 4 kV rating and delivers a single secondary output of 3.3 V at 100 mA. It utilizes a single primary winding configuration.

Feature Summary

• Toroidal converter topology optimized for high-frequency operation
• Integrated 4 kV isolation barrier for safety compliance
• Compact surface-mount package design

Applications

• MAX253-based power supply circuits
• Isolated DC-DC conversion modules
• Medical equipment power stages
• Industrial control system interfaces

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and lead times prior to order placement. Ensure storage conditions adhere to moisture sensitivity level requirements to maintain operational reliability during assembly processes.

Selection Notes

Select this component when utilizing the MAX253 controller requires a compact, isolated transformer solution. Consider the 360 uH inductance and 4 kV isolation voltage as critical parameters for circuit compatibility. Evaluate thermal performance and physical footprint constraints against available PCB space.

Part Context

This part belongs to the 78253 series of specialty transformers manufactured by Murata Power Solutions. These components are specifically engineered to interface with Maxim Integrated MAX253 controllers, providing efficient energy transfer in isolated power conversion applications within industrial and medical sectors.

Replacement Considerations

The 78253/35JC is a documented alternative variant within the same product family. Verify pinout compatibility and electrical specifications before substitution. Consult official documentation for any functional differences between the JVC and JC suffixes.