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81CNQ035SM
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Product Detailed Parameters
- Description：DIODE ARR SCHOTT 35V 40A PRM2-SM
- Series：-
- Mfr：SMC Diode Solutions
- Package：Bulk
- Diode Configuration：1 Pair Common Cathode
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：35 V
- Current - Average Rectified (Io) (per Diode)：40A
- Voltage - Forward (Vf) (Max) @ If：740 mV @ 40 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：5 mA @ 35 V
- Operating Temperature - Junction：-55°C ~ 175°C
- Mounting Type：Through Hole
- Package / Case：PRM2-SM
- Supplier Device Package：PRM2-SM
- Grade：-
- Qualification：-
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Overview
The 81CNQ035SM is a Schottky diode array manufactured by SMC Diode Solutions, featuring a one-pair common cathode configuration. It supports an average rectified current of 80A per diode with a maximum DC reverse voltage of 35V. The device utilizes the PRM2-SM through-hole package and operates within a junction temperature range of -55°C to 175°C. Key electrical characteristics include a forward voltage of 740mV at 80A and a reverse leakage current of 5mA at 35V.
Feature Summary
- Schottky technology ensures fast recovery speeds under 500ns for efficient power conversion.
- Common cathode arrangement simplifies circuit design for dual-diode applications.
- High thermal stability allows reliable operation across a wide temperature spectrum.
Applications
- DC-DC converter circuits requiring high efficiency and low forward voltage drop.
- Power supply units utilizing free-wheeling or synchronous rectification topologies.
- Automotive electronics systems demanding robust performance in varying thermal conditions.
Procurement Notes
Verify the specific suffix against official datasheets to confirm package variations and compliance status. Ensure the procurement channel provides authentic components from SMC Diode Solutions to guarantee reliability. Cross-reference the part number with current RoHS3 and REACH regulatory documentation before finalizing orders.
Selection Notes
Select this component when designing circuits that require high current handling capabilities combined with low forward voltage characteristics. The 35V rating suits low-voltage power distribution systems. Consider the PRM2-SM package dimensions for appropriate PCB layout and thermal management strategies during the initial design phase.
Part Context
This component belongs to the 81CNQ series of high-current Schottky rectifiers designed for demanding power electronics applications. The series emphasizes efficiency and thermal resilience, making it suitable for modern power conversion architectures where minimizing energy loss is critical for overall system performance.
Replacement Considerations
Consult official substitution guides for equivalent parts with matching current and voltage ratings. Verify pin compatibility and thermal resistance values to ensure seamless integration without redesigning the existing circuit board layout or cooling infrastructure.
