78615/2C

Overview

The Murata Power Solutions 78615/2C is a general-purpose pulse transformer featuring a 1:1 turns ratio and 500 µH primary inductance. It supports a voltage-time product of 10 V/µs with an isolation voltage of 1 kVrms. Designed for through-hole mounting, the component measures 9.52 mm in length, 9 mm in width, and 6.35 mm in height. It operates within a temperature range of 0°C to +70°C and complies with RoHS standards.

Feature Summary

• Provides galvanic isolation via a 1 kVrms dielectric barrier between windings.
• Maintains signal integrity with a 1:1 turns ratio and 500 µH inductance.
• Supports high-speed pulse transmission with a 10 V/µs voltage-time rating.

Applications

• Gate drive circuits for power switching devices
• Isolated digital communication interfaces
• Pulse coupling in industrial control systems

Procurement Notes

Verify the specific suffix designation during procurement, as variants such as 78615/2MC-R exist with different packaging or handling specifications. Confirm that the through-hole DIP configuration aligns with the target PCB footprint requirements. Ensure the selected variant meets the required thermal operating range for the intended application environment.

Selection Notes

Select this component when a 1:1 isolated pulse transformation is required with moderate inductance. The 10 V/µs rating suits applications with standard pulse widths. Consider the physical dimensions for board space constraints. Verify compatibility with the target driver circuit impedance to ensure efficient energy transfer without excessive distortion.

Part Context

This part belongs to the 786 series of pulse transformers from Murata Power Solutions. The series offers various inductance and turns ratio options for different isolation needs. The 78615/2C specifically addresses applications requiring balanced signal transmission with robust isolation characteristics in a compact through-hole package.

Replacement Considerations

Official alternates include the 78615/2JC. Verify electrical parameters such as inductance and voltage-time product before substitution. Physical pinout and dimensional compatibility must be confirmed to ensure direct replacement feasibility without PCB redesign.

FAQ

What is the maximum isolation voltage?

The component supports an isolation voltage of 1 kVrms.

Does this transformer have a 1:1 turns ratio?

Yes, the 78615/2C features a 1CT:1CT (1:1) turns ratio.