Overview
The MURD340T4G is a switch-mode power rectifier diode produced by onsemi. This device is designed for high-efficiency applications in switching power supplies, inverters, and as free-wheeling diodes. It features a DPAK surface mount package and is known for its low forward voltage drop, low leakage, and ultra-fast recovery time. The MURD340T4G is RoHS compliant, Pb-free, and halogen-free, making it suitable for a wide range of modern electronic systems.
Key Specifications
| Characteristic | Value | Unit |
|---|---|---|
| Maximum DC Reverse Voltage (VR) | 400 | V |
| Average Rectified Forward Current (IF(AV)) | 3 | A |
| Nonrepetitive Peak Surge Current (IFSM) | 75 | A |
| Operating Junction and Storage Temperature Range (TJ, Tstg) | -55 to +175 | °C |
| Maximum Instantaneous Forward Voltage (VF) at IF = 3.0 A, TJ = 25°C | 1.15 | V |
| Maximum Reverse Recovery Time (trr) at IF = 1.0 A, di/dt = 50 A/μs, VR = 30 V, TJ = 25°C | 50 | ns |
| Reverse Leakage Current (Ir) at VR = 400 V | 5 | μA |
| Thermal Resistance - Junction-to-Case (RJC) | 2 | °C/W |
| Thermal Resistance - Junction-to-Ambient (RJA) | 49 | °C/W |
Key Features
- Low Forward Voltage Drop: The MURD340T4G has a low forward voltage drop, which enhances efficiency in power conversion applications.
- Low Leakage: It features low reverse leakage current, reducing power losses and improving overall system efficiency.
- Ultra-Fast Recovery Time: With a recovery time of 50 ns, this diode is suitable for high-frequency switching applications.
- RoHS Compliant and Pb-Free: The device is RoHS compliant, Pb-free, and halogen-free, making it environmentally friendly and suitable for modern electronic designs.
- High Temperature Range: The device operates over a wide temperature range from -55°C to +175°C, making it versatile for various environments.
- Corrosion Resistant Finish: All external surfaces are corrosion resistant, and the terminal leads are readily solderable.
Applications
- Switching Power Supplies: Ideal for use in switching power supplies due to its fast recovery time and low forward voltage drop.
- Inverters: Suitable for inverter applications where high efficiency and fast switching are required.
- Free-Wheeling Diodes: Often used as free-wheeling diodes in various power conversion circuits.
- Automotive and Industrial Systems: The NRVUD prefix versions are AEC-Q101 qualified and PPAP capable, making them suitable for automotive and other demanding applications.
Q & A
- What is the maximum DC reverse voltage of the MURD340T4G?
The maximum DC reverse voltage is 400 V.
- What is the average rectified forward current of the MURD340T4G?
The average rectified forward current is 3 A.
- What is the operating temperature range of the MURD340T4G?
The operating temperature range is from -55°C to +175°C.
- What is the maximum instantaneous forward voltage of the MURD340T4G at 3 A and 25°C?
The maximum instantaneous forward voltage is 1.15 V.
- Is the MURD340T4G RoHS compliant?
Yes, the MURD340T4G is RoHS compliant, Pb-free, and halogen-free.
- What is the typical recovery time of the MURD340T4G?
The typical recovery time is 50 ns.
- What are the common applications of the MURD340T4G?
Common applications include switching power supplies, inverters, and as free-wheeling diodes.
- Is the MURD340T4G suitable for automotive applications?
Yes, the NRVUD prefix versions are AEC-Q101 qualified and PPAP capable, making them suitable for automotive applications.
- What is the thermal resistance - junction-to-case of the MURD340T4G?
The thermal resistance - junction-to-case is 2 °C/W.
- What is the package type of the MURD340T4G?
The package type is DPAK surface mount.
