78604/16C

Overview

The Murata Power Solutions Inc. 78604/16C is a general-purpose pulse transformer designed for through-hole mounting. It features a primary-to-secondary turns ratio of 2:1 and an inductance of 4 mH. The component has a voltage-time (Et) rating of 28 Vµs, ensuring reliable signal transmission in various applications. It operates within a temperature range of 0°C to +70°C. The physical dimensions are 9.52 mm in length, 9 mm in width, and 6.35 mm in height. The unit weight is approximately 1.140 g, and it is supplied in tubes of 50 units.

Feature Summary

• Provides galvanic isolation with a 2:1 turns ratio for signal integrity
• High voltage-time product capability for robust pulse transmission
• Compact through-hole DIP package for standard PCB integration

Applications

• Gate drive circuits for power semiconductors
• Isolated digital communication interfaces
• Pulse transformer applications in switching power supplies

Procurement Notes

Verify the specific suffix '16C' against official Murata documentation to confirm the 4 mH inductance and 28 Vµs Et rating. Ensure the through-hole DIP footprint matches the target PCB design. Check RoHS compliance status and lead times directly with authorized distributors or the manufacturer, as availability may vary.

Selection Notes

Select this component when a 2:1 isolation ratio and high Et rating are required for through-hole designs. Compare the 4 mH inductance against circuit requirements to ensure proper pulse shaping. Consider the 0°C to +70°C operating range for environmental suitability. Evaluate mechanical constraints regarding the 9.52 x 9 x 6.35 mm package size.

Part Context

The 78604/16C belongs to the Murata 786 series of general-purpose pulse transformers. This series offers various configurations for different turns ratios and inductance values. The 786 series is widely used in industrial and consumer electronics for isolated signal transmission, providing a balance of performance and compact form factor.

Replacement Considerations

Check for direct substitutes within the 786 series that match the 2:1 ratio and similar Et ratings. Verify pinout compatibility and mechanical dimensions before substitution. Consult Murata's official replacement guide for cross-referenced part numbers.