STMicroelectronics

STPS40170CG

STPS40170CG Description

The STPS40170CG from STMicroelectronics is a Schottky diode array designed for high-efficiency power applications. It features a 1 Pair Common Cathode configuration in a D2PAK (TO-263) surface-mount package, offering robust thermal and electrical performance. With a 170V reverse voltage (Vr) and 20A average rectified current (Io) per diode, this component is optimized for fast recovery (<500ns) and low forward voltage drop (920mV @ 20A), minimizing power losses. Its Schottky technology ensures superior switching performance compared to conventional PN-junction diodes, making it ideal for high-frequency circuits.

STPS40170CG Features

• High Voltage & Current Rating: 170V Vr and 20A Io per diode for demanding applications.
• Low Forward Voltage: 920mV @ 20A reduces conduction losses.
• Fast Recovery: <500ns ensures efficient high-frequency operation.
• Thermal Resilience: Operates up to 175°C junction temperature for reliability in harsh environments.
• Low Leakage Current: 30µA @ 170V enhances energy efficiency.
• Common Cathode Configuration: Simplifies circuit design in bridge rectifiers and OR-ing applications.
• Surface-Mount D2PAK Package: Combines high power handling with compact PCB footprint.

STPS40170CG Applications

• Switch-Mode Power Supplies (SMPS): Improves efficiency in AC/DC and DC/DC converters.
• Motor Drives & Inverters: Fast switching reduces losses in PWM-controlled systems.
• Solar Power Systems: Ideal for bypass diodes in photovoltaic arrays.
• Automotive Electronics: Withstands high temperatures in engine control units (ECUs) and LED drivers.
• Industrial Power Supplies: Robust performance in welding equipment and UPS systems.

Conclusion of STPS40170CG

The STPS40170CG stands out for its high-voltage capability, low losses, and fast recovery, making it a top choice for power electronics designers. While marked as obsolete, its D2PAK package and Schottky advantages ensure it remains relevant in legacy or niche applications requiring high efficiency and thermal endurance. For modern alternatives, consult STMicroelectronics' latest offerings, but this diode array remains a proven solution for demanding power circuits.