77201C

Overview

The 77201C is a pulse transformer manufactured by Murata Power Solutions Inc. designed for medium power applications in switch mode power supplies and thyristor or triac firing circuits. This component utilizes a through-hole mounting style with a single output configuration. It features a 1:1 turns ratio and provides an isolation voltage of 120VµS. The physical dimensions are specified as 1.000 inches in length and 0.799 inches in width, equivalent to 25.40mm by 20.30mm.

Feature Summary

• Engineered for use in switch mode power supply applications
• Suitable for thyristor and triac firing circuit requirements
• Provides electrical isolation between input and output windings

Applications

• Switch mode power supplies
• Thyristor firing circuits
• Triac firing circuits

Procurement Notes

Verify the specific datasheet version and manufacturer documentation prior to procurement. Confirm that the through-hole package dimensions and pinout align with the target PCB layout. Ensure the application environment does not exceed the rated isolation voltage specifications. Cross-reference the part number against current manufacturer availability lists to confirm active production status.

Selection Notes

Select this component when a 1:1 pulse transformation ratio is required for gate drive or firing signals. The through-hole construction supports robust mechanical attachment in industrial environments. Consider the physical footprint of 25.40mm by 20.30mm during board space allocation. Validate that the operating frequency and power levels remain within the designated medium power application range defined by the manufacturer.

Part Context

The 77201C belongs to the 772 series of pulse transformers from Murata Power Solutions. This series is specifically intended for medium power applications requiring reliable signal transmission across isolated boundaries. The component serves as a critical interface element in control circuits where galvanic isolation is necessary for safety and noise reduction.