STTH30R03CG

Diode Arrays Overview

The STTH30R03CG is a high-frequency secondary rectifier diode array manufactured by STMicroelectronics. It features a dual common cathode configuration housed in a TO-263-3 (D2PAK) surface-mount package. The device supports a maximum repetitive reverse voltage of 300 V and an average forward current of 15 A per diode. Key electrical parameters include a typical reverse recovery time of 35 ns, a maximum forward voltage of 1.9 V at 15 A, and a reverse leakage current of 20 µA at 300 V. The component operates within a junction temperature range up to 175°C.

Diode Arrays Feature Summary

• Dual common cathode architecture for efficient secondary rectification
• Fast reverse recovery characteristics suitable for high-frequency applications
• Surface-mount D2PAK packaging optimized for thermal performance

Diode Arrays Applications

• High-frequency secondary rectification in switching power supplies
• DC-DC converter output stages
• Free-wheeling diodes in inductive load circuits

Diode Arrays Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to ensure correct packaging and tape specifications. Confirm that the requested variant matches the required thermal and electrical ratings for the target application environment. Cross-reference the part number with the latest product change notices to account for any recent manufacturing updates or package design improvements.

Diode Arrays Selection Notes

Select this component when a dual common cathode configuration is required for space-constrained designs. Ensure the 300 V reverse voltage rating exceeds the peak inverse voltage expected in the circuit. Verify that the 15 A continuous current capability aligns with the load requirements. Consider the thermal resistance of the D2PAK package relative to the PCB copper area for adequate heat dissipation under full load conditions.

Diode Arrays Part Context

This part belongs to the STTH30 series of fast recovery diodes from STMicroelectronics. The series is designed for general-purpose high-speed switching applications. The STTH30R03CG specifically addresses needs for compact, high-current rectification with low reverse recovery charge. It complements other variants in the family that offer different voltage ratings or single-diode configurations.

Diode Arrays Replacement Considerations

Direct substitutes may include other dual common cathode fast recovery diodes with matching 300 V and 15 A ratings in D2PAK packages. Verify pinout compatibility and thermal characteristics before substitution. Check for equivalent reverse recovery times to maintain circuit efficiency.