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81CNQ035
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Product Detailed Parameters
- Description：DIODE MODULE SCHOTT 35V 40A PRM2
- 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：Chassis Mount
- Package / Case：PRM2
- Supplier Device Package：PRM2
- Grade：-
- Qualification：-
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Overview
The 81CNQ035 is a Schottky diode array manufactured by SMC Diode Solutions, configured as one pair of common cathodes. It features a maximum DC reverse voltage (Vr) of 35 V and an average rectified current (Io) of 80 A per diode. The device utilizes the PRM2-SM through-hole package. Forward voltage (Vf) is specified at 740 mV when tested at 80 A. Reverse leakage current is limited to 5 mA at 35 V. The junction operating temperature range extends from -55°C to 175°C.
Feature Summary
- Schottky technology provides fast recovery characteristics with low forward voltage drop for efficient power conversion.
- Common cathode configuration simplifies circuit design for dual-rail or full-wave rectification applications.
- High thermal stability supports operation in demanding environments up to 175°C junction temperature.
Applications
- DC-DC converter output rectification
- Free-wheeling diodes in switching power supplies
- Power supply input protection circuits
Procurement Notes
Verify the specific suffix against the manufacturer's current datasheet, as packaging or lead time variations may exist. Confirm RoHS compliance status for the exact orderable part number. Ensure the PRM2-SM through-hole mounting style matches the target PCB footprint requirements before finalizing procurement.
Selection Notes
Select this component when a 35 V rating and 80 A per-diode capacity are required in a through-hole format. Compare Vf specifications against alternative packages to ensure thermal management aligns with system constraints. Verify that the common cathode topology fits the intended schematic architecture compared to isolated or common anode variants.
Part Context
This part belongs to the 81CNQ series of high-current Schottky rectifiers from SMC Diode Solutions. The series is designed for robust performance in industrial and commercial power electronics. The PRM2-SM package offers a compact solution for high-amperage applications requiring reliable through-hole mounting.
Replacement Considerations
Publicly confirmed substitute part numbers for 81CNQ035 were not identified in the provided source data. Consult official cross-reference tools for verified alternatives.
