SB4045PT_T0_00001

Overview

The SB4045PT_T0_00001 is a Schottky barrier rectifier from the SB4020PT series manufactured by Panjit International Inc. It features a TO-247AD/TO-3P molded plastic case with solder-plated terminals. The device provides a maximum average forward current of 40 A at a case temperature of 90°C and supports a maximum repetitive peak reverse voltage of 45 V. Electrical characteristics include a maximum forward voltage of 0.60 V at 20 A per leg, a typical thermal resistance of 1.5 °C/W, and a peak forward surge current capability of 350 A for an 8.3 ms half-sine wave.

Feature Summary

• Utilizes metal-to-silicon majority carrier conduction to achieve low power loss and high efficiency.
• Constructed with flame retardant epoxy molding compound classified as UL 94V-O.
• Designed for high surge capacity applications in low voltage environments.

Applications

• Low voltage high frequency inverters
• Free wheeling diode circuits
• Polarity protection applications

Procurement Notes

Verify the specific part number suffix against official documentation to confirm packaging configuration. The T0 designation indicates Tape and Reel packing on a 13-inch reel compliant with RoHS directives. Confirm that the component meets the required environmental standards for the intended deployment environment before finalizing procurement orders.

Selection Notes

Select this component when a 45 V blocking voltage and 40 A continuous current rating are required in a TO-247 package. Ensure the application operates within the specified junction temperature range of -55°C to +150°C. Derate the forward current by 20% if the load is capacitive to maintain safe operating conditions.

Part Context

This component belongs to the SB4020PT series, which encompasses devices ranging from 20 V to 60 V reverse voltage ratings. All members of this series share identical physical dimensions and thermal characteristics while varying in their voltage blocking capabilities. The series is designed for surface mount or panel mount integration using standard mounting hardware compatible with the TO-247 footprint.

Replacement Considerations

Cross-reference other SB4020PT series variants such as SB4040PT or SB4050PT if voltage requirements differ. Verify that any substitute maintains the same TO-247AD mechanical outline and thermal resistance specifications to ensure compatibility with existing heatsinking solutions.

FAQ

What is the maximum DC blocking voltage for the SB4045PT?

The maximum DC blocking voltage is 40 V, while the maximum repetitive peak reverse voltage is rated at 45 V.

How does the package construction contribute to reliability?

The device uses a flame retardant epoxy molding compound with a UL 94V-O flammability classification to enhance safety and durability.

What is the derating requirement for capacitive loads?

When used with a capacitive load, the forward current must be derated by 20% to ensure reliable operation.