APT40DQ120BCTG

$3.34

Description：DIODE ARRAY GP 1200V 40A TO247
Series：-

SKU:4c08cc5aed30 Category: Diode Arrays Brand: Microsemi Corporation

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Product introduction

Product Detailed Parameters

Description：DIODE ARRAY GP 1200V 40A TO247
Series：-
Mfr：Microsemi Corporation
Package：Tube
Diode Configuration：1 Pair Common Cathode
Technology：Standard
Voltage - DC Reverse (Vr) (Max)：1200 V
Current - Average Rectified (Io) (per Diode)：40A
Voltage - Forward (Vf) (Max) @ If：3.3 V @ 40 A
Speed：Fast Recovery =< 500ns, > 200mA (Io)
Reverse Recovery Time (trr)：350 ns
Current - Reverse Leakage @ Vr：100 µA @ 1200 V
Operating Temperature - Junction：-55°C ~ 175°C
Mounting Type：Through Hole
Package / Case：TO-247-3
Supplier Device Package：TO-247 [B]
Grade：-
Qualification：-

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APT40DQ120BCTG

Overview

The APT40DQ120BCTG is a dual ultrafast soft recovery rectifier diode manufactured by Microsemi Corporation. It features a common cathode configuration housed in a TO-247 package. The device supports a maximum DC reverse voltage of 1200V and an average forward current of 40A per leg at a case temperature of 112°C. Key electrical characteristics include a typical forward voltage of 3.3V at 40A, a maximum reverse leakage current of 500µA at 125°C, and a junction capacitance of 36pF at 1200V. The component operates within a temperature range of -55°C to 175°C.

Feature Summary

Ultrafast recovery times with soft recovery characteristics for low noise switching
Avalanche energy rated capability for enhanced system reliability
Low forward voltage and low leakage current design for reduced losses
Common cathode dual configuration in a popular TO-247 package

Applications

Anti-parallel diode in switchmode power supplies and inverters
Free wheeling diode in motor controllers, converters, and inverters
Snubber diode applications
Power factor correction (PFC) circuits

Procurement Notes

Verify the specific ordering suffix 'G' indicates RoHS compliance and lead-free terminal finish as documented in the datasheet. Confirm the package type matches the required TO-247 form factor. Ensure thermal management aligns with the specified junction-to-case thermal resistance values. Check for any updates to the product lifecycle status or replacement notices from the manufacturer before finalizing procurement plans.

Selection Notes

Select this component for high-frequency switching applications requiring low reverse recovery charge and minimal ringing. The common cathode arrangement simplifies circuit layout for half-bridge or full-bridge topologies. Consider the thermal impedance characteristics when designing heat sinks for continuous operation at high currents. The avalanche rating provides robustness against transient overvoltage events in inductive load environments.

Part Context

This part belongs to the APT series of ultrafast soft recovery rectifiers designed for high-power density systems. It utilizes silicon technology optimized for fast switching speeds while maintaining low conduction losses. The dual-diode structure allows for efficient implementation in synchronous rectification or freewheeling paths where compact packaging and high current handling are critical requirements.

Replacement Considerations

Consult official Microsemi documentation for verified substitute part numbers. Ensure any replacement maintains the same voltage, current, and package specifications.