STPS40SM80CT

Diode Arrays Overview

The STPS40SM80CT is a dual common cathode Schottky rectifier from STMicroelectronics, packaged in TO-220AB. It features an 80 V repetitive peak reverse voltage (VRRM) and supports an average forward current of 20 A per diode, totaling 40 A for the device at a case temperature of 145 °C. The maximum operating junction temperature reaches 175 °C. Static electrical characteristics include a typical forward voltage drop of 520 mV at 10 A and a maximum reverse leakage current of 50 µA at 25 °C.

Diode Arrays Feature Summary

• High junction temperature capability up to 175 °C
• Optimized trade-off between leakage current and forward voltage drop
• Low leakage current performance
• Specified avalanche capability

Diode Arrays Applications

• High frequency switch mode power supplies
• Notebook adapters
• Game station power systems
• LCD TV adapters
• Desktop adapters

Diode Arrays Procurement Notes

Verify the specific ordering code matches the required package type, as the STPS40SM80CT designation specifically corresponds to the TO-220AB tube packaging variant. Confirm that the application environment remains within the specified thermal limits for the TO-220AB package. Ensure compliance with ECOPACK environmental standards if required by the system design specifications.

Diode Arrays Selection Notes

Select this component when designing high-frequency switched-mode power supplies requiring robust thermal performance and low conduction losses. The dual common cathode configuration simplifies circuit topology for center-tapped or full-wave rectification applications. Consider the TO-220AB package for through-hole mounting requirements where efficient heat dissipation via conduction is necessary.

Diode Arrays Part Context

This device belongs to the STPS40SM80 series of dual Schottky rectifiers designed for efficiency in power conversion. The 'CT' suffix indicates the TO-220AB tube packaging format. Other variants in the family include insulated packages like TO-220FPAB and surface-mount options such as D2PAK, offering flexibility for different PCB layout and thermal management strategies.

Diode Arrays Replacement Considerations

STPS40SM80CFP

Diode Arrays FAQ

What is the maximum surge non-repetitive forward current?

The maximum surge non-repetitive forward current is 200 A for a 10 ms sinusoidal pulse at a case temperature of 25 °C.

Is the device avalanche rated?

Yes, the device has specified avalanche capability with a maximum repetitive peak avalanche voltage of 100 V under defined pulse conditions.

What is the insulation voltage for the TO-220FPAB package?

The insulated package TO-220FPAB offers an insulation voltage of 2000 V RMS sine.