SF802G

Diode Arrays Overview

The SF802G is a silicon rectifier diode manufactured by Taiwan Semiconductor Corporation, designed for general-purpose high-efficiency applications. It features a single-element configuration housed in an isolated TO-220AB package with through-hole mounting. The device supports a maximum repetitive peak reverse voltage of 200V and conducts an average forward current of 8A. Key electrical characteristics include a maximum non-repetitive peak forward surge current of 125A, a maximum instantaneous forward voltage of 1.7V at 4A, and a maximum DC reverse current of 5µA at 25°C. The component operates within a junction temperature range of -65°C to +150°C and complies with RoHS directives.

Diode Arrays Feature Summary

• Glass passivated chip junction ensures high reliability and long-term stability under varying thermal conditions.
• High surge current capability allows the device to withstand transient overloads without failure.
• Low power loss design contributes to improved system efficiency in rectification circuits.
• Isolated cathode tab facilitates easy heat sinking and electrical isolation from PCB ground planes.

Diode Arrays Applications

• Low voltage high frequency inverters
• Free wheeling diode circuits
• Polarity protection applications

Diode Arrays Procurement Notes

Verify the specific suffix codes on the ordering information to confirm packaging type and terminal plating specifications. Ensure the procurement documentation explicitly states compliance with UL recognition file E-326243 if safety certification is required for the end application. Confirm that the green compound variant matches the environmental requirements for halogen-free standards as defined in IEC 61249-2-21 C.

Diode Arrays Selection Notes

Select this component when an 8A continuous current rating and 200V blocking voltage are required in a standard TO-220AB footprint. The isolated case design is critical for applications requiring thermal management via external heatsinks without electrical grounding conflicts. Compare the forward voltage drop against alternative packages to ensure thermal dissipation limits are not exceeded in enclosed environments.

Diode Arrays Part Context

This part belongs to the SF801G-SF808G series of glass passivated super fast rectifiers from Taiwan Semiconductor. The series shares common mechanical data including pure tin-plated terminals and UL 94V-0 rated molding compounds. The SF802G specifically denotes the 200V voltage rating variant within this family, distinguished primarily by its breakdown voltage parameters while maintaining identical current handling and physical dimensions.

Diode Arrays Replacement Considerations

Direct substitutes within the same series include SF801G (50V) and SF803G (300V), provided the voltage rating meets the circuit requirements. Cross-brand replacements must match the TO-220AB package, 8A current rating, and 200V reverse voltage specifications to ensure pin compatibility and thermal performance equivalence.