78253/35MVC-R

Overview

The Murata Power Solutions 78253/35MVC-R is a specialty pulse transformer designed for MAXIM MAX253 applications. It features toroidal construction with an inductance of 142µH and supports a primary voltage rating of 3.3V and secondary voltage rating of 5V. The device provides 4kVDC isolation and operates within a frequency range up to 500kHz. Rated power is 500mW with a secondary current rating of 100mA. It utilizes a surface-mount package measuring 9.52mm x 9.00mm x 6.35mm.

Feature Summary

• Toroidal construction for compact design
• High isolation capability of 4kVDC
• Compatible with industry-standard pinouts

Applications

• MAXIM MAX253 transmitter circuits
• Isolated power supply interfaces
• High-frequency signal coupling

Procurement Notes

Verify the specific suffix 'R' indicates tape-and-reel packaging when ordering. Confirm RoHS compliance status as per the latest manufacturer documentation. Ensure the component matches the required 3.3V input and 5V output configuration for your specific circuit design before finalizing procurement.

Selection Notes

Select this component when integrating with MAXIM MAX253 drivers requiring high isolation. The 142µH inductance suits frequencies up to 500kHz. Verify that the 100mA secondary current rating meets load requirements. The SMD form factor is suitable for space-constrained PCB layouts.

Part Context

This part belongs to the 78253 series of specialty transformers from Murata Power Solutions. These components are engineered specifically for compatibility with Maxim integrated circuits, offering reliable performance in isolated power conversion applications. The series includes various variants tailored for different voltage inputs and mounting styles.

Replacement Considerations

The 78253/35MC is a through-hole alternative within the same series. For surface-mount replacements, verify electrical equivalence with the 78253/35JC-R variant. Always confirm pinout compatibility and isolation ratings before substituting.