SF34GH

Single Diodes Overview

The SF34GH is a super fast rectifier diode manufactured by Taiwan Semiconductor Corporation, housed in the DO-201AD (DO-27) plastic sealed package. It features a maximum repetitive peak reverse voltage of 400 V and a maximum average forward rectified current of 3.0 A at 55°C ambient temperature. The device exhibits a typical junction capacitance of 45.0 pF and a maximum DC reverse current of 100 µA at 100°C. Key electrical characteristics include a peak forward surge current of 125.0 A and a maximum forward voltage of 1.25 V at 3.0 A DC. The component operates within a junction temperature range of -55°C to +125°C.

Single Diodes Feature Summary

• Super fast recovery performance for high-frequency switching applications
• Plastic sealed encapsulation structure for mechanical durability
• High thermal stability with extended operating temperature range

Single Diodes Applications

• High frequency inverters
• Free wheeling diodes
• Polarity protection circuits

Single Diodes Procurement Notes

Verify the specific suffix GH against the official Taiwan Semiconductor datasheet to confirm exact binning or packaging specifications. Ensure the procurement channel provides original manufacturer documentation to validate authenticity. Cross-reference the part number with the latest RoHS compliance status and environmental declarations before finalizing orders.

Single Diodes Selection Notes

Select this component when a 3.0 A current rating and 400 V blocking voltage are required in a standard axial leaded package. Consider the 1.25 V forward voltage drop for efficiency calculations in low-voltage output stages. Verify that the DO-201AD footprint matches the target PCB layout constraints and thermal management requirements.

Single Diodes Part Context

This component belongs to the SF series of super fast rectifiers from Taiwan Semiconductor Corporation. The series offers various voltage ratings from 50 V to 600 V while maintaining consistent current handling capabilities. The SF34GH specifically targets applications requiring faster recovery times compared to standard rectifiers, balancing speed and robustness in power conversion systems.

Single Diodes Replacement Considerations

Consult official cross-reference guides for equivalent parts with matching 3.0 A current and 400 V voltage ratings in DO-201AD packages. Verify that substitute components meet identical reverse recovery time and forward voltage specifications to ensure circuit compatibility.