APT15DQ120BCTG

Diode Arrays Overview

The APT15DQ120BCTG is a dual ultrafast soft recovery rectifier diode manufactured by Microsemi Corporation. It features a common cathode configuration within a TO-247 package, providing two independent anodes. The device supports a maximum repetitive reverse voltage of 1200V and an average forward current of 15A per leg at a case temperature of 127°C. Key electrical characteristics include a typical forward voltage of 3.3V at 15A and a maximum junction-to-case thermal resistance of 1.18 °C/W. The component is rated for non-repetitive surge currents up to 110A and operates across a temperature range of -55°C to 175°C.

Diode Arrays Feature Summary

• Ultrafast recovery times with soft recovery characteristics to minimize switching noise
• Dual common cathode design in a single TO-247 package for space efficiency
• High avalanche energy rating for robust transient protection
• Low forward voltage drop and low leakage current for improved system efficiency

Diode Arrays Applications

• Anti-parallel diodes in switchmode power supplies and inverters
• Free-wheeling diodes in motor controllers and DC-DC converters
• Snubber diodes in high-frequency switching circuits
• Power factor correction (PFC) stages

Diode Arrays Procurement Notes

Verify the RoHS compliance suffix 'G' indicates lead-free terminal finish as specified in the datasheet. Confirm the package type matches the required TO-247 footprint and pinout configuration. Ensure thermal management solutions account for the specified junction-to-case thermal resistance values under expected operating conditions.

Diode Arrays Selection Notes

Select this component for applications requiring high-voltage blocking capabilities combined with fast switching speeds. The dual common cathode arrangement simplifies circuit layout compared to discrete single diodes. Evaluate thermal performance based on the provided derating curves for average forward current versus case temperature to ensure reliable operation within the specified junction temperature limits.

Diode Arrays Part Context

This part belongs to Microsemi's family of ultrafast soft recovery rectifier diodes designed for high-efficiency power conversion. The TO-247 package provides a robust mechanical structure suitable for high-power industrial and commercial applications. The dual configuration allows for compact implementation of bridge or synchronous rectification topologies.

Diode Arrays Replacement Considerations

APT15DQ120BCT

Diode Arrays FAQ

What does the 'G' suffix indicate in the part number APT15DQ120BCTG?

The 'G' suffix denotes that the component is RoHS compliant and features a lead-free terminal finish.

How is the internal configuration of the APT15DQ120BCTG arranged?

The device utilizes a common cathode configuration, where Pin 2 serves as the shared cathode for both Anode 1 (Pin 1) and Anode 2 (Pin 3).

What is the maximum non-repetitive forward surge current rating?

The maximum non-repetitive forward surge current is rated at 110A under test conditions of TJ = 45°C and an 8.3ms pulse duration.