Overview
The MUR420-M3/73 is a high-performance ultrafast recovery rectifier diode produced by Vishay General Semiconductor - Diodes Division. This diode is designed to meet the demands of various high-frequency and high-power applications, offering superior characteristics such as low forward voltage, low leakage current, and fast recovery times.
It is part of the MUR420 series, which is known for its ultrafast recovery times, making it an excellent choice for applications requiring high efficiency and minimal switching losses. The device is packaged in a DO-201AD case, which is suitable for surface mount applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Voltage - DC Reverse (Vr) (Max) | 200 | V |
| Current - Average Rectified (Io) | 4 | A |
| Voltage - Forward (Vf) (Max) @ If | 0.71 @ 3.0 A, TJ = 25°C | V |
| Reverse Recovery Time (trr) | 25 ns | ns |
| Forward Recovery Time (tfr) | 25 ns | ns |
| Operating Temperature - Junction | -55°C to 175°C | °C |
| Current - Reverse Leakage @ Vr | 5 µA @ 200 V | µA |
| Package / Case | DO-201AD | |
| Mounting Type | Surface Mount | |
| Thermal Resistance, Junction−to−Ambient (RJA) | 28 °C/W | °C/W |
Key Features
- Ultrafast Recovery Time: The MUR420-M3/73 features a fast recovery time of 25 ns, making it suitable for high-frequency applications.
- Low Forward Voltage: It has a low forward voltage drop, typically 0.71 V at 3.0 A and 25°C, which reduces power losses.
- Low Leakage Current: The diode has a low reverse leakage current of 5 µA at 200 V, contributing to higher efficiency.
- High Operating Junction Temperature: It can operate over a wide junction temperature range of -55°C to 175°C.
- Surface Mount Package: The DO-201AD package is designed for surface mount applications, facilitating easy integration into modern PCB designs.
- RoHS Compliance: The device is RoHS compliant, ensuring it meets environmental standards.
Applications
The MUR420-M3/73 is versatile and can be used in a variety of applications, including:
- Power Supplies: High-efficiency power supplies, especially those requiring fast switching times.
- Motor Control: In motor control circuits where fast recovery times are crucial for efficient operation.
- Automotive Systems: In automotive systems that demand high reliability and performance over a wide temperature range.
- Industrial Power Systems: In industrial power systems, such as DC-DC converters and inverters, where low losses and high efficiency are essential.
- Consumer Electronics: In consumer electronics that require high-performance rectification with minimal power losses.
Q & A
- What is the maximum DC reverse voltage of the MUR420-M3/73?
The maximum DC reverse voltage is 200 V.
- What is the average rectified current (Io) rating of the MUR420-M3/73?
The average rectified current (Io) rating is 4 A.
- What is the typical forward voltage drop of the MUR420-M3/73 at 3.0 A and 25°C?
The typical forward voltage drop is 0.71 V.
- What is the reverse recovery time (trr) of the MUR420-M3/73?
The reverse recovery time (trr) is 25 ns.
- What is the operating junction temperature range of the MUR420-M3/73?
The operating junction temperature range is -55°C to 175°C.
- What type of package does the MUR420-M3/73 use?
The MUR420-M3/73 is packaged in a DO-201AD case.
- Is the MUR420-M3/73 RoHS compliant?
Yes, the MUR420-M3/73 is RoHS compliant.
- What is the thermal resistance, junction-to-ambient (RJA), of the MUR420-M3/73?
The thermal resistance, junction-to-ambient (RJA), is 28 °C/W.
- What are some common applications for the MUR420-M3/73?
Common applications include power supplies, motor control circuits, automotive systems, industrial power systems, and consumer electronics.
- How does the MUR420-M3/73 contribute to efficiency in power systems?
The MUR420-M3/73 contributes to efficiency through its low forward voltage drop, low leakage current, and fast recovery times, which reduce power losses and improve overall system efficiency.
