RB238T-40NZC9

Overview

The RB238T-40NZC9 is a Schottky barrier diode manufactured by ROHM Semiconductor, designed for high-reliability applications. It features a dual common cathode configuration housed in a TO-220FN (3-pin) leaded package. The device supports an average rectified forward current of 40 A and a repetitive reverse voltage of 40 V. Key electrical parameters include a maximum forward voltage of 0.77 V at 20 A and a maximum reverse current of 5 mA at 40 V. It operates with a junction temperature up to 150°C and complies with RoHS standards.

Feature Summary

• Dual common cathode configuration for efficient circuit design
• Super low reverse leakage current for enhanced reliability
• High thermal stability with a maximum junction temperature of 150°C

Applications

• Switching power supplies
• Automotive electronic systems
• DC-DC converters

Procurement Notes

Verify the specific suffix C9 against official datasheets to confirm packaging details. Confirm that the component meets AEC-Q101 automotive qualification requirements if intended for vehicle use. Check for any obsolescence notices or end-of-life declarations from the manufacturer before finalizing procurement plans.

Selection Notes

Select this component for designs requiring a robust through-hole Schottky diode with high current handling capabilities. Ensure the 40 V reverse voltage rating exceeds the peak inverse voltage in the application circuit. Consider the TO-220FN package size for adequate heat dissipation without additional heatsinking in moderate load scenarios.

Part Context

This part belongs to the RB238 series of Schottky barrier diodes from ROHM Semiconductor. The series is characterized by its high reliability and low reverse current, making it suitable for demanding environments. The TO-220FN package variant provides a balance between power handling and mounting flexibility for industrial and automotive electronics.

Replacement Considerations

Direct substitutes may include other ROHM RB238 series variants with compatible voltage and current ratings, such as RB238T-60NZC9 for higher voltage applications. Verify pinout compatibility and thermal characteristics when considering cross-brand alternatives.