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Product Detailed Parameters
- Description：DIODE ARRAY SCHOTT 40V 40A LPDS
- 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)：40A
- Voltage - Forward (Vf) (Max) @ If：550 mV @ 20 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：430 µA @ 40 V
- Operating Temperature - Junction：150°C (Max)
- Mounting Type：Surface Mount
- Package / Case：TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Supplier Device Package：LPDS
- Grade：Automotive
- Qualification：AEC-Q101
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Overview
The RBR40NS40AFHTL is a silicon Schottky barrier diode manufactured by ROHM Semiconductor, designed for high-reliability applications in switching power supplies. It features a dual anode common cathode configuration housed in a TO-263S (D2PAK) surface-mount package. The device supports a maximum repetitive reverse voltage of 40V and an average rectified forward current of 40A. Key electrical parameters include a low forward voltage of 550mV at 20A and a peak forward surge current capability of 100A. It operates within a junction temperature range up to +150°C and meets AEC-Q101 automotive qualification standards.
Feature Summary
- Dual anode common cathode configuration for efficient circuit design
- Low forward voltage characteristic to minimize conduction losses
- High reliability construction suitable for automotive environments
- Power mold type with robust thermal performance
Applications
- Automotive switching power supply circuits
- General purpose rectification in DC-DC converters
- Freewheeling diode applications in motor drives
Procurement Notes
Verify the specific suffix HTL corresponds to the tape and reel packaging format required for automated assembly processes. Confirm that the AEC-Q101 qualification status aligns with the target automotive application's reliability requirements. Ensure the TO-263S footprint matches the PCB layout specifications before finalizing procurement orders.
Selection Notes
Select this component when a 40A current rating and 40V blocking voltage are required in a compact surface-mount form factor. The dual anode common cathode structure allows for use in full-wave rectifier configurations without requiring additional components. Consider the low forward voltage specification for efficiency-critical designs operating at moderate currents.
Part Context
This part belongs to the RBR40NS series of Schottky barrier diodes from ROHM Semiconductor. The series includes variants with different voltage ratings such as 30V, 40V, and 60V, all sharing similar current handling capabilities and package styles. These devices are engineered specifically for automotive-grade reliability while maintaining low power loss characteristics typical of Schottky technology.
Replacement Considerations
The part number alias RBR40NS40AFH refers to the same device family but may differ in packaging or suffix designation. Verify if the non-HTL variant offers identical electrical specifications and if the packaging difference impacts the manufacturing process. Cross-reference with other 40V 40A Schottky diodes only if pin compatibility and thermal characteristics are confirmed.
