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Product Detailed Parameters
- Description：DIODE ARRAY SCHOT 40V 10A TO-252
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Diode Configuration：1 Pair Common Cathode
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：40 V
- Current - Average Rectified (Io) (per Diode)：10A
- Voltage - Forward (Vf) (Max) @ If：550 mV @ 5 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：12.3 ns
- Current - Reverse Leakage @ Vr：200 µA @ 40 V
- Operating Temperature - Junction：150°C (Max)
- Mounting Type：Surface Mount
- Package / Case：TO-252-3, DPAK (2 Leads + Tab), SC-63
- Supplier Device Package：TO-252
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The RB085BM-40FHTL is a silicon Schottky barrier diode manufactured by ROHM Semiconductor, designed for surface-mount applications. It features a dual anode common cathode configuration housed in a TO-252-3 (DPAK) package. The device supports a maximum repetitive reverse voltage of 45V and a continuous forward current of 10A per diode. Key electrical characteristics include a maximum forward voltage of 550mV at 5A and a maximum reverse leakage current of 200µA. It withstands a forward surge current of 50A and operates at junction temperatures up to +150°C.
Feature Summary
- Dual anode common cathode configuration enables efficient rectification in compact designs.
- Low forward voltage characteristic contributes to reduced power loss and improved system efficiency.
- High thermal stability allows reliable operation at elevated junction temperatures.
Applications
- General purpose rectification in switching power supplies
- Freewheeling diodes in DC-DC converter circuits
- Reverse polarity protection in electronic systems
Procurement Notes
Verify the specific suffix FHTL against official ROHM documentation to confirm tape-and-reel packaging and automotive-grade AEC-Q101 qualification status. Ensure compatibility with existing PCB footprints for the TO-252-3 package. Confirm end-of-life or obsolescence status through authorized distributors before finalizing procurement plans.
Selection Notes
Select this component when a low-loss Schottky rectifier with high current capacity is required in a surface-mount form factor. The dual common cathode arrangement simplifies circuit topology compared to discrete single-diode solutions. Verify that the 45V reverse voltage rating exceeds the peak inverse voltage expected in the target application under all operating conditions.
Part Context
This part belongs to the RB085BM series of Schottky barrier diodes from ROHM Semiconductor. The series is characterized by low forward voltage drop and high reliability, making it suitable for general-purpose rectification. The RB085BM variants are often engineered to meet automotive quality standards, providing robust performance in demanding environments.
Replacement Considerations
Direct pin-compatible replacements within the same series include RB085BM-60FHTL for higher voltage ratings. For non-automotive applications, the RB085BGE-40TL offers similar electrical specifications but may lack automotive certification. Always verify datasheet parameters before substitution.
