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Product Detailed Parameters
- Description：DIODE ARRAY SCHOT 40V 20A 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)：20A
- Voltage - Forward (Vf) (Max) @ If：580 mV @ 10 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：360 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 RBR20BM40AFHTL is a silicon Schottky barrier diode manufactured by ROHM Semiconductor, designed for high-reliability automotive applications. It features a dual anode common cathode configuration housed in a TO-252M (D-Pak) surface-mount package. The device supports a maximum repetitive reverse voltage of 40V and an average rectified forward current of 20A. Key electrical parameters include a maximum forward voltage of 0.55V at 10A, a surge current rating of 100A, and a maximum operating junction temperature of +150°C. It complies with the AEC-Q101 automotive qualification standard.
Feature Summary
- Automotive-grade reliability certified under the AEC-Q101 standard for robust performance in vehicle environments.
- Low forward voltage characteristic to minimize conduction losses and improve system efficiency.
- Dual anode common cathode topology enabling flexible circuit integration within a compact footprint.
Applications
- General-purpose rectification in automotive electronic circuits
- High-reliability power management modules
- DC-DC converter output stages
Procurement Notes
Verify the specific ordering suffix against official ROHM documentation to confirm the tape-and-reel packaging format. Ensure that the selected component matches the required automotive grade specifications and package dimensions for your design. Cross-reference the datasheet revision date to guarantee compatibility with your manufacturing processes and quality standards.
Selection Notes
Select this component when a 40V rated Schottky diode with a 20A continuous current capacity is required in a TO-252M package. The low forward voltage drop makes it suitable for efficiency-critical designs. Confirm that the thermal management strategy supports the specified maximum junction temperature of 150°C for reliable long-term operation.
Part Context
This part belongs to the RBR series of automotive Schottky barrier diodes from ROHM Semiconductor. The series is engineered to meet stringent automotive industry requirements for durability and performance. The TO-252M package provides a balance between current handling capability and board space efficiency for surface-mount assembly.
Replacement Considerations
Consult official ROHM resources for verified substitute part numbers. Ensure any replacement maintains identical pinout, package dimensions, and electrical ratings to preserve circuit functionality without redesign.
FAQ
What is the maximum operating junction temperature for this diode?
The maximum operating junction temperature is +150°C.
Does this component meet automotive qualification standards?
Yes, the RBR20BM40AFHTL is qualified according to the AEC-Q101 standard.
What is the forward voltage specification at rated current?
The maximum forward voltage is 0.55V when measured at a forward current of 10A.
