444CMQ045
Product Overview
- Category: Schottky Diode
- Use: Rectification and voltage regulation in power supply circuits
- Characteristics: High efficiency, low forward voltage drop, fast switching speed
- Package: TO-252 (DPAK)
- Essence: Silicon Carbide Schottky Diode
- Packaging/Quantity: Tape & Reel, 800 units per reel
Specifications
- Voltage Rating: 45V
- Current Rating: 4A
- Forward Voltage Drop: 0.55V at 4A
- Reverse Leakage Current: 10μA at 25°C
- Operating Temperature Range: -55°C to 175°C
Detailed Pin Configuration
- Pin 1: Anode
- Pin 2: Cathode
- Pin 3: Not connected (NC)
Functional Features
- Fast switching speed for high-frequency applications
- Low forward voltage drop minimizes power loss
- High temperature operation capability
Advantages and Disadvantages
- Advantages:
- High efficiency
- Fast switching speed
- Low forward voltage drop
- Disadvantages:
- Sensitive to overvoltage conditions
- Higher cost compared to standard silicon diodes
Working Principles
The 444CMQ045 is a Schottky diode that utilizes a metal-semiconductor junction to achieve its unique characteristics. When a forward voltage is applied, the diode conducts current with very low voltage drop due to the absence of minority carrier injection.
Detailed Application Field Plans
- Power supplies
- Solar inverters
- Motor drives
- Uninterruptible power supplies (UPS)
- LED lighting
Detailed and Complete Alternative Models
- STPSC406D
- C3D04060A
- SCT2080KEC
This comprehensive entry provides an in-depth understanding of the 444CMQ045 Schottky diode, covering its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.
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What is 444CMQ045?
- 444CMQ045 is a Schottky diode rectifier designed for high frequency and high voltage applications.
What are the key features of 444CMQ045?
- The key features include a low forward voltage drop, high current capability, and high surge capacity.
What are the typical applications of 444CMQ045?
- Typical applications include power supply output rectification, freewheeling diodes, and reverse battery protection.
What is the maximum forward voltage of 444CMQ045?
- The maximum forward voltage is typically around 0.55V at a forward current of 20A.
What is the maximum reverse voltage of 444CMQ045?
- The maximum reverse voltage is 45V.
What is the operating temperature range of 444CMQ045?
- The operating temperature range is typically -65°C to +175°C.
Can 444CMQ045 be used in automotive applications?
- Yes, it can be used in automotive applications such as alternator diodes and DC/DC converters.
Does 444CMQ045 have a high surge capability?
- Yes, it has a high surge capability, making it suitable for demanding applications.
Is 444CMQ045 RoHS compliant?
- Yes, it is RoHS compliant, meeting environmental standards.
What are the recommended mounting techniques for 444CMQ045?
- Recommended mounting techniques include using thermal interface materials and ensuring proper heat sinking for efficient operation.