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Product Detailed Parameters
- Description：DIODE ARRAY SCHOTT 40V 20A 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)：20A
- Voltage - Forward (Vf) (Max) @ If：770 mV @ 10 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：5 µA @ 40 V
- Operating Temperature - Junction：150°C
- Mounting Type：Surface Mount
- Package / Case：TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Supplier Device Package：LPDS
- Grade：-
- Qualification：-
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Overview
The RB218NS-40TL is a surface-mount Schottky barrier diode manufactured by ROHM Semiconductor. It features a dual anode common cathode configuration in a TO-263S (D2PAK) package. Key electrical parameters include a maximum repetitive reverse voltage of 45 V and an average rectified forward current of 20 A. The device exhibits a maximum forward voltage of 0.77 V at 10 A and a maximum reverse current of 5 mA at 40 V. It supports a forward surge current of 100 A and operates at junction temperatures up to +150 °C. The component is qualified under the AEC-Q101 standard for automotive applications.
Feature Summary
- AEC-Q101 qualified for high reliability in automotive environments
- Super low reverse current characteristics suitable for high-temperature operation
- Dual anode common cathode configuration for flexible circuit design
Applications
- Switching power supplies
- Automotive electronic circuits
- High-reliability rectification applications
Procurement Notes
Verify the specific suffix against official documentation, as ordering codes may indicate variations in packaging or tape specifications. Confirm that the procurement channel provides genuine ROHM Semiconductor products with traceable manufacturing data. Ensure the requested quantity aligns with the manufacturer's minimum packing requirements for the selected packaging type. Cross-reference the part number with the latest datasheet to confirm availability status and production lifecycle stage before finalizing orders.
Selection Notes
Select this component when designing circuits requiring automotive-grade reliability and low leakage current at elevated temperatures. The TO-263S package offers robust thermal performance for surface-mount assembly. Consider the 20 A average current rating and 45 V reverse voltage limits to ensure adequate headroom for the target application. Verify compatibility with the system's thermal management strategy given the 150 °C maximum junction temperature capability.
Part Context
This component belongs to the RB218NS series of Schottky barrier diodes designed for switching power supplies. The series utilizes blocking metal technology to improve reverse current characteristics compared to standard Schottky devices. This allows for safer operation in high-temperature environments without risk of thermal runaway. The RB218NS-40TL specifically targets applications needing high reliability and low forward voltage drop.
Replacement Considerations
Check for pin-compatible alternatives within the same series, such as different voltage ratings like the RB218NS-60 or RB218NS-100, if voltage margins allow. Verify that any substitute maintains the AEC-Q101 qualification if automotive use is required. Ensure the replacement device matches the TO-263S package dimensions and thermal characteristics.
