SB3040PT_T0_00001

Overview

The SB3040PT_T0_00001 is a Schottky barrier rectifier from the SB3020PT series manufactured by Panjit International Inc. It features a maximum average forward current of 30 amperes and a maximum repetitive peak reverse voltage of 40 volts. The device utilizes a TO-3P molded plastic case with solder-plated terminals compliant with MIL-STD-750 Method 2026. Electrical characteristics include a maximum forward voltage of 0.7 V at 15 A per leg, a peak forward surge current of 275 A, and a typical thermal resistance of 1.5 °C/W. The operating junction temperature range extends from -55 to +150 °C.

Feature Summary

• Utilizes metal silicon junction technology for majority carrier conduction, resulting in low power loss and high efficiency.
• Constructed with flame retardant epoxy molding compound meeting Underwriters Laboratory Flammability Classification 94V-O.
• Designed for high surge capacity and low forward voltage operation suitable for polarity protection applications.

Applications

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

Procurement Notes

Verify the specific ordering suffix T0_00001 against official documentation to confirm packaging configuration. The code indicates Tape and Ammo Box (T/B) packing within a 13-inch box format. Ensure compliance requirements match the RoHS directive version specified in the datasheet revision. Confirm terminal solderability standards align with project specifications before finalizing procurement orders.

Selection Notes

Select this component when designing circuits requiring a 30 ampere continuous current rating with a 40 volt blocking capability. The TO-3P package provides robust mechanical mounting and thermal dissipation capabilities compared to smaller surface mount alternatives. Evaluate the 0.7 volt forward voltage drop at rated load to ensure it meets system efficiency targets. Consider the 1.5 °C/W thermal resistance for heatsinking calculations under continuous operating conditions.

Part Context

This part belongs to the SB3020PT series of Schottky barrier rectifiers offered by Panjit International Inc. The series encompasses various voltage ratings ranging from 20 to 60 volts while maintaining a consistent 30 ampere current handling capability across all variants. The SB3040PT specifically addresses applications needing a 40 volt reverse voltage rating within this standardized product family structure.

Replacement Considerations

Cross-reference electrical parameters such as forward voltage, reverse leakage current, and thermal resistance when evaluating alternative components. Verify that any substitute device supports the TO-3P package form factor or requires adapter modifications. Ensure replacement parts meet the same flammability classification and environmental compliance standards documented in the original specification.

FAQ

What is the maximum non-repetitive peak forward surge current?

The maximum peak forward surge current is 275 amperes for an 8.3 ms single half sine-wave superimposed on the rated load.

How does the forward current change with case temperature?

The forward current must be derated as the case temperature increases beyond 75 °C, following the derating curve provided in the datasheet.

What is the typical junction capacitance value?

The typical junction capacitance varies with reverse voltage but is generally in the range of hundreds of picofarads at low reverse bias voltages.