PU4DCH

Single Diodes Overview

The PU4DCH is an ultra-fast recovery rectifier manufactured by Taiwan Semiconductor Corporation. It features a single diode configuration housed in a DO-214AB-2 (SMA) surface-mount package. The device supports a maximum repetitive peak reverse voltage of 200 V and an average forward rectified current of 4 A. Key electrical characteristics include a maximum forward voltage of 840 mV at rated current, a low reverse leakage current of 2 µA, and a fast reverse recovery time of 25 ns. It withstands a maximum surge current of 290 A and operates within a junction temperature range of -55 °C to +175 °C.

Single Diodes Feature Summary

• Ultra-fast recovery performance with 25 ns reverse recovery time for efficient high-frequency switching
• Automotive-grade reliability certified under AEC-Q101 standards
• High thermal stability enabling operation up to +175 °C junction temperature
• Low forward voltage drop contributing to reduced power loss and improved system efficiency

Single Diodes Applications

• Automotive electronics requiring robust rectification
• DC-DC converter circuits
• High-frequency power supply designs
• General-purpose rectification in space-constrained surface-mount applications

Single Diodes Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm exact electrical tolerances and packaging options. Ensure the component meets AEC-Q101 automotive qualification requirements if intended for vehicle-mounted systems. Cross-reference the DO-214AB-2 footprint dimensions with your PCB design guidelines to guarantee mechanical compatibility during assembly.

Single Diodes Selection Notes

Select this component when designing circuits that demand rapid switching speeds combined with moderate current handling capabilities. The 200 V rating suits low-voltage DC bus applications, while the SMA package offers a compact solution for dense layouts. Consider the 25 ns recovery time to minimize switching losses in high-frequency topologies compared to standard recovery alternatives.

Single Diodes Part Context

This part belongs to Taiwan Semiconductor's ultra-fast recovery rectifier lineup, engineered for high-efficiency power conversion. The series emphasizes low reverse recovery charge to enhance performance in modern switching regulators. The DO-214AB-2 package provides a balance between thermal dissipation and board space optimization for consumer and industrial electronics.

Single Diodes Replacement Considerations

Consult official substitution guides for electrically equivalent ultra-fast rectifiers in the SMA package. Verify that any alternative matches the 200 V reverse voltage, 4 A current rating, and 25 ns recovery time specifications to maintain circuit integrity.