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80CNQ040
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Product Detailed Parameters
- Description：DIODE MODULE SCHOTT 40V 40A PRM2
- Series：-
- Mfr：SMC Diode Solutions
- Package：Bulk
- 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：660 mV @ 40 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：5 mA @ 40 V
- Operating Temperature - Junction：-55°C ~ 150°C
- Mounting Type：Chassis Mount
- Package / Case：PRM2
- Supplier Device Package：PRM2
- Grade：-
- Qualification：-
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Overview
The 80CNQ040 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 40 V and an average rectified forward current (Io) of 40 A per diode. The device utilizes the PRM2 package for chassis mounting. Key electrical parameters include a forward voltage (Vf) of 740 mV at 80 A and a reverse leakage current of 5 mA at 40 V. The junction operating temperature range spans from -55°C to 150°C.
Feature Summary
- Schottky barrier technology for low forward voltage drop
- Common cathode dual configuration in a single module
- High purity epoxy encapsulation for mechanical strength
Applications
- DC-DC converter output rectification
- Free-wheeling diode applications in power supplies
- Low voltage high current rectification circuits
Procurement Notes
Verify the specific datasheet revision and RoHS compliance status with the manufacturer or authorized distributor before procurement. Confirm that the PRM2 mounting interface matches the thermal management design requirements. Ensure the 40 V reverse voltage rating provides adequate margin for the target circuit's peak inverse voltage conditions to prevent breakdown during operation.
Selection Notes
Select this component when a dual common cathode Schottky configuration is required for 40 V systems. The 40 A per diode rating suits moderate to high current applications. Compare the 740 mV forward voltage at high current against alternative packages to ensure thermal performance meets system constraints. Verify that the chassis mount form factor aligns with available PCB or heatsink space.
Part Context
This part belongs to the 80CNQ series of Schottky diode arrays from SMC Diode Solutions. The series offers various voltage ratings including 30 V, 35 V, and 40 V options. These modules are designed for robust power electronics applications requiring efficient rectification with minimal heat generation due to the low forward voltage characteristics inherent to Schottky technology.
Replacement Considerations
The 82CNQ030S2 serves as a functional substitute within the same family, offering similar PRM2 packaging and common cathode configuration. Note that the 82CNQ030S2 has a lower 30 V reverse voltage rating compared to the 80CNQ040's 40 V rating. Ensure the application voltage does not exceed the substitute's maximum limit.
