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81CNQ040ASM
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Product Detailed Parameters
- Description：DIODE ARRAY SCHOT 40V 40A D618SM
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- 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：740 mV @ 80 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：5 mA @ 40 V
- Operating Temperature - Junction：-55°C ~ 175°C
- Mounting Type：Through Hole
- Package / Case：D-61-8-SM
- Supplier Device Package：D-61-8-SM
- Grade：-
- Qualification：-
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Overview
The Vishay VS-81CNQ040ASM is a center tap Schottky rectifier module featuring two independent 40 A legs within a D-61-8-SM surface-mount package. It provides a maximum repetitive peak reverse voltage of 40 V and supports junction temperatures up to 175 °C. The device utilizes proprietary barrier technology for low forward voltage drop and high frequency operation, with a typical thermal resistance of 0.85 °C/W per leg.
Feature Summary
- Center tap configuration with common cathode base
- High temperature epoxy encapsulation for mechanical strength
- Guard ring design for enhanced ruggedness
- Lead-free compliant packaging
Applications
- Switching power supplies
- Converters
- Freewheeling diodes
- Reverse battery protection
Procurement Notes
Verify the specific ordering suffix against the manufacturer's current documentation to confirm the exact package style and lead-free status. Ensure that the procurement specifications align with the required voltage rating and current handling capabilities for the intended application environment.
Selection Notes
Select this component when a dual-anode common-cathode topology is required for high-efficiency rectification. The low forward voltage characteristics make it suitable for applications prioritizing reduced conduction losses and improved thermal management under continuous load conditions.
Part Context
This part belongs to the VS-81CNQ...A PbF Series, which introduces the New Generation 3 D-61 Package. The series offers optimized performance for low reverse leakage at elevated temperatures, designed specifically for industrial level reliability and robust operation in demanding electronic circuits.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation.
FAQ
What is the maximum operating junction temperature?
The maximum operating junction temperature is 175 °C.
What is the non-repetitive surge current capability?
The maximum peak one cycle non-repetitive surge current is 4600 A for a 5 μs sine pulse or 790 A for a 10 ms sine pulse.
How is the device thermally managed?
The device features a maximum thermal resistance from junction to case of 0.85 °C/W per leg and 0.42 °C/W per package.
