SFF508GH

Diode Arrays Overview

The SFF508GH is a sintered glass junction ultrafast avalanche rectifier manufactured by Taiwan Semiconductor Corporation. It belongs to the SF5400 series, featuring a maximum repetitive peak reverse voltage of 800V and an average forward current rating of 3.0A. The device utilizes a hermetically sealed SOD-64 package with plated axial leads solderable per MIL-STD-202E, Method 208C. Key electrical characteristics include low reverse current and high reverse voltage capability, designed for efficient performance in general-purpose rectification applications under specified thermal conditions.

Diode Arrays Feature Summary

• Sintered glass junction construction for hermetic sealing
• Ultrafast recovery characteristics suitable for high-frequency switching
• Avalanche rated for robust operation under transient conditions
• Low reverse leakage current ensuring minimal power loss

Diode Arrays Applications

• High-frequency rectification circuits
• General-purpose power supply designs
• Industrial control systems requiring reliable diode performance

Diode Arrays Procurement Notes

Verify the specific suffix GH against official Taiwan Semiconductor documentation to confirm exact binning or testing criteria. Ensure the ordering quantity aligns with standard packaging formats provided by authorized distributors. Confirm compliance with RoHS directives if required for your specific manufacturing environment. Cross-reference the datasheet revision date to ensure access to the most current electrical specifications and mechanical drawings before finalizing procurement orders.

Diode Arrays Selection Notes

Select this component when a hermetically sealed, ultrafast rectifier with avalanche capability is required in a compact axial leaded package. The 3.0A current rating and 800V voltage rating make it suitable for medium-power applications. Consider the SOD-64 form factor for space-constrained PCB layouts where through-hole mounting is preferred over surface mount alternatives.

Diode Arrays Part Context

This part is part of the SF5400 series from Taiwan Semiconductor, which includes variants ranging from 50V to 1000V reverse voltage ratings. The series is characterized by its sintered glass junction technology, offering reliability in harsh environments. The SFF508GH specifically addresses the 800V requirement within this lineup, providing a standardized solution for designers needing high-voltage ultrafast rectification in a small outline package.

Diode Arrays Replacement Considerations

Direct substitutes may include other manufacturers' ultrafast rectifiers in the SOD-64 package with matching 3.0A and 800V ratings. Verify pin compatibility and thermal resistance values before substitution. Generic equivalents should be evaluated for reverse recovery time and peak forward surge current capabilities to ensure circuit integrity.