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Product Detailed Parameters
- Description：DIODE SCHOTTKY 45V 120A PRM11
- Series：-
- Mfr：SMC Diode Solutions
- Package：Bulk
- Technology：Schottky
- Voltage - DC Reverse (Vr) (Max)：45 V
- Current - Average Rectified (Io)：120A
- Voltage - Forward (Vf) (Max) @ If：650 mV @ 120 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：10 mA @ 45 V
- Capacitance @ Vr, F：5200pF @ 5V, 1MHz
- Mounting Type：Chassis Mount
- Package / Case：HALF-PAK
- Supplier Device Package：PRM1-1 (Half Pak Module)
- Operating Temperature - Junction：-55°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The 121NQ045-1 is a high-speed, ultra-fast recovery rectifier diode manufactured by SMC Diode Solutions. This component utilizes advanced planar technology to ensure robust performance under demanding electrical conditions. It features a low forward voltage drop and minimal reverse leakage current, which contribute to improved system efficiency. The device is designed for applications requiring fast switching speeds and high reliability in power conversion circuits.
Feature Summary
- Ultra-fast recovery characteristics for efficient high-frequency operation
- Low forward voltage drop to minimize conduction losses
- Planar technology construction for enhanced reliability and uniformity
Applications
- High-frequency DC/DC converters
- Free-wheeling diodes in PWM applications
- Reverse polarity protection circuits
Procurement Notes
Verify the specific suffix codes on the datasheet to confirm exact electrical ratings and package variations. Ensure compatibility with thermal management requirements for the intended application environment. Cross-reference part numbers with official manufacturer documentation to avoid counterfeit components.
Selection Notes
Consider the peak repetitive reverse voltage and average forward current ratings relative to the circuit's maximum operating conditions. Evaluate the thermal resistance characteristics to determine appropriate heatsinking needs. Assess the reverse recovery time requirements against the switching frequency of the target application.
Part Context
This component belongs to the NQ series of ultra-fast recovery diodes from SMC Diode Solutions. The series is engineered for general-purpose high-speed rectification where low loss and fast switching are critical. It serves as a replacement for older generation fast recovery diodes in modern power supply designs.
