FERD40M45CG-TR

Diode Arrays Overview

The STPS40L45CG-TR is a dual Schottky barrier rectifier from STMicroelectronics, configured as one pair of common cathode diodes. It features a maximum repetitive reverse voltage (Vr) of 45 V and an average forward rectified current (Io) of 20 A per diode. The device utilizes a TO-263-3 (D2PAK) surface-mount package with a leadless thermal pad for efficient heat dissipation. Key electrical parameters include a maximum forward voltage drop (Vf) of 530 mV at 20 A and a maximum reverse leakage current (Ir) of 600 µA at 45 V. The component supports a maximum junction temperature of 150°C and operates within standard industrial temperature ranges.

Diode Arrays Feature Summary

• Schottky barrier technology enables high-frequency operation with low switching losses
• Common cathode configuration simplifies circuit design for synchronous rectification
• Leadless D2PAK package provides robust thermal performance and compact footprint

Diode Arrays Applications

• Switch-mode power supplies (SMPS)
• DC-to-DC converters
• Free-wheeling diodes in inverter circuits
• Polarity protection applications

Diode Arrays Procurement Notes

Verify the exact part number suffix against official STMicroelectronics documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with RoHS3 standards and check for any recent Product Change Notifications (PCNs) regarding lead modifications or packaging updates before finalizing procurement plans.

Diode Arrays Selection Notes

Select this component when low forward voltage drop and high efficiency are critical for 45 V systems. The 20 A rating per diode suits moderate current applications requiring reliable thermal management via the exposed pad. Consider the common cathode arrangement for bridge-less PFC or synchronous rectifier topologies where fast recovery characteristics reduce switching losses.

Diode Arrays Part Context

This device belongs to the STPS40 series of Schottky rectifiers, designed for general-purpose high-efficiency rectification. It complements other variants in the family offering different voltage ratings or current capacities, providing designers with flexible options for optimizing power loss and thermal performance in compact power electronics designs.

Diode Arrays Replacement Considerations

Direct substitutes may include other STPS40 series devices with compatible voltage and current ratings, such as STPS40L45C. Verify pinout compatibility and thermal resistance values when replacing with equivalent parts from other manufacturers to ensure system reliability.