Overview
The MUR440G is a high-performance, ultrafast rectifier diode produced by onsemi. This component is part of the MUR series, designed for use in switching power supplies, inverters, and as free-wheeling diodes. The MUR440G is known for its fast recovery times, low forward voltage, and high temperature operation, making it suitable for a variety of high-frequency applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Peak Repetitive Reverse Voltage (VRRM) | 400 | V |
| Average Rectified Forward Current (IF(AV)) | 4.0 @ TA = 80°C | A |
| Nonrepetitive Peak Surge Current (IFSM) | 110 | A |
| Operating Junction Temperature (TJ) | -65 to +175 | °C |
| Maximum Instantaneous Forward Voltage (VF) | 1.25 @ IF = 4.0 A, TJ = 25°C | V |
| Maximum Reverse Recovery Time (TRR) | 75 ns | ns |
| Maximum Thermal Resistance, Junction-to-Ambient (RθJA) | 28 °C/W | °C/W |
| Lead Temperature for Soldering Purposes | 260°C Max. for 10 Seconds | °C |
Key Features
- Ultrafast recovery times of 75 ns, making it suitable for high-frequency applications.
- High operating junction temperature of up to 175°C.
- Low forward voltage, reducing power losses.
- Low leakage current, enhancing efficiency.
- High temperature glass passivated junction for reliability.
- Reverse voltage rating up to 400 V.
- Pb-free packages, compliant with environmental regulations.
- Corrosion-resistant and solderable terminal leads.
Applications
The MUR440G is designed for use in various applications, including:
- Switching power supplies: Due to its fast recovery times and high voltage ratings, it is ideal for high-frequency switching applications.
- Inverters: Its low forward voltage and high current handling capabilities make it suitable for inverter circuits.
- Free-wheeling diodes: The MUR440G can be used as a free-wheeling diode in motor control and power conversion circuits.
- High-frequency rectification: Its ultrafast recovery time makes it a good choice for high-frequency rectification needs.
Q & A
- What is the peak repetitive reverse voltage (VRRM) of the MUR440G?
The peak repetitive reverse voltage (VRRM) of the MUR440G is 400 V.
- What is the average rectified forward current (IF(AV)) of the MUR440G at 80°C?
The average rectified forward current (IF(AV)) of the MUR440G at 80°C is 4.0 A.
- What is the nonrepetitive peak surge current (IFSM) of the MUR440G?
The nonrepetitive peak surge current (IFSM) of the MUR440G is 110 A.
- What is the operating junction temperature range of the MUR440G?
The operating junction temperature range of the MUR440G is -65 to +175°C.
- What is the maximum instantaneous forward voltage (VF) of the MUR440G at 4.0 A and 25°C?
The maximum instantaneous forward voltage (VF) of the MUR440G at 4.0 A and 25°C is 1.25 V.
- What is the maximum reverse recovery time (TRR) of the MUR440G?
The maximum reverse recovery time (TRR) of the MUR440G is 75 ns.
- What is the maximum thermal resistance, junction-to-ambient (RθJA), of the MUR440G?
The maximum thermal resistance, junction-to-ambient (RθJA), of the MUR440G is 28 °C/W.
- What is the lead temperature for soldering purposes for the MUR440G?
The lead temperature for soldering purposes for the MUR440G is 260°C Max. for 10 Seconds.
- Is the MUR440G Pb-free?
- What are some common applications of the MUR440G?
The MUR440G is commonly used in switching power supplies, inverters, and as free-wheeling diodes.
