81CNQ045ASM
Product Overview
The 81CNQ045ASM belongs to the category of Schottky diodes and is commonly used in power supply applications. These diodes are known for their high efficiency, low forward voltage drop, and fast switching characteristics. The package typically includes a single diode, and they are available in various quantities per package.
Specifications
- Voltage Rating: 45V
- Current Rating: 80A
- Package Type: TO-247AC
- Forward Voltage Drop: 0.75V at 40A
- Reverse Leakage Current: 50µA at 25°C
Detailed Pin Configuration
The 81CNQ045ASM has a standard TO-247AC package with three pins: the anode, cathode, and gate.
Functional Features
- High efficiency due to low forward voltage drop
- Fast switching speed
- Low reverse leakage current
Advantages and Disadvantages
Advantages: - High efficiency - Fast switching speed - Low forward voltage drop
Disadvantages: - Higher cost compared to standard diodes - Sensitive to overvoltage conditions
Working Principles
The 81CNQ045ASM operates based on the Schottky barrier principle, where the metal-semiconductor junction allows for faster switching and lower forward voltage drop compared to standard PN-junction diodes.
Detailed Application Field Plans
These diodes are commonly used in power supplies, DC-DC converters, and motor drive circuits due to their high efficiency and fast switching characteristics. They are also suitable for use in solar inverters and uninterruptible power supplies (UPS).
Detailed and Complete Alternative Models
- 81CNQ030ASM: 30V, 80A
- 81CNQ060ASM: 60V, 80A
- 81CNQ080ASM: 80V, 80A
This completes the entry for the 81CNQ045ASM within the English editing encyclopedia entry structure format.
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What is 81CNQ045ASM?
- 81CNQ045ASM is a Schottky diode designed for high current density and low forward voltage drop applications.
What are the key features of 81CNQ045ASM?
- The key features include a high current capability, low forward voltage drop, and excellent thermal performance.
What are the typical applications of 81CNQ045ASM?
- Typical applications include power supplies, converters, freewheeling diodes, and reverse battery protection.
What is the maximum forward voltage drop of 81CNQ045ASM?
- The maximum forward voltage drop at 40A is typically 0.65V.
What is the maximum reverse leakage current of 81CNQ045ASM?
- The maximum reverse leakage current at the rated voltage is typically 50µA.
What is the operating temperature range of 81CNQ045ASM?
- The operating temperature range is from -55°C to +175°C.
Does 81CNQ045ASM have an integrated heatsink?
- No, 81CNQ045ASM does not have an integrated heatsink, but it has excellent thermal performance.
Is 81CNQ045ASM suitable for high-frequency applications?
- Yes, 81CNQ045ASM is suitable for high-frequency applications due to its fast switching characteristics.
Can 81CNQ045ASM be used in parallel to increase current handling capacity?
- Yes, 81CNQ045ASM can be used in parallel to increase current handling capacity in high-current applications.
What are the recommended mounting and soldering techniques for 81CNQ045ASM?
- The recommended mounting technique is through a hole or surface mount, and the recommended soldering technique is reflow soldering or wave soldering.