Overview
The MUR840G is a high-performance, ultrafast rectifier diode produced by onsemi. This device is part of the MUR/SUR8 series, designed for use in switching power supplies, inverters, and as free-wheeling diodes. The MUR840G is known for its high reverse voltage rating and fast recovery time, making it suitable for a variety of high-frequency applications.
Key Specifications
| Characteristic | Symbol | Unit | MUR840G |
|---|---|---|---|
| Peak Repetitive Reverse Voltage | VRRM | V | 400 |
| Working Peak Reverse Voltage | VRWM | V | 400 |
| DC Blocking Voltage | VR | V | 400 |
| Average Rectified Forward Current | IF(AV) | A | 8.0 |
| Peak Repetitive Forward Current | IFM | A | 16 |
| Nonrepetitive Peak Surge Current | IFSM | A | 100 |
| Operating Junction Temperature and Storage Temperature Range | TJ, Tstg | °C | -65 to +175 |
| Maximum Instantaneous Forward Voltage (IF = 8.0 A, TC = 150°C) | vF | V | 1.20 |
| Maximum Reverse Recovery Time (IF = 1.0 A, di/dt = 50 A/μs) | trr | ns | 50 |
| Thermal Resistance, Junction-to-Case | RJC | °C/W | 2.0 |
| Thermal Resistance, Junction-to-Ambient | RJA | °C/W | 73 |
Key Features
- Ultrafast Recovery Time: 50 nanoseconds, making it ideal for high-frequency applications.
- High Operating Junction Temperature: Up to 175°C, ensuring reliability in demanding environments.
- Low Forward Voltage: Reduces power losses and improves efficiency.
- Low Leakage Current: Minimizes standby power consumption.
- High Reverse Voltage Rating: Up to 400 V, providing robust protection against reverse voltage.
- ESD Ratings: Machine Model > 400 V and Human Body Model > 16,000 V, ensuring durability against electrostatic discharge.
- AEC-Q101 Qualified and PPAP Capable: Suitable for automotive and other applications requiring stringent quality standards.
- Pb-Free and RoHS Compliant: Environmentally friendly and compliant with international regulations.
- Corrosion Resistant and Solderable Leads: Enhances reliability and ease of assembly.
Applications
- Switching Power Supplies: Ideal for high-frequency switching applications due to its ultrafast recovery time.
- Inverters: Suitable for inverter circuits requiring fast switching and high reliability.
- Free-Wheeling Diodes: Used in applications where fast recovery and low forward voltage drop are critical.
- Automotive Systems: AEC-Q101 qualified, making it suitable for automotive and other high-reliability applications.
Q & A
- What is the peak repetitive reverse voltage rating of the MUR840G?
The peak repetitive reverse voltage rating of the MUR840G is 400 V.
- What is the maximum average rectified forward current for the MUR840G?
The maximum average rectified forward current for the MUR840G is 8.0 A.
- What is the operating junction temperature range for the MUR840G?
The operating junction temperature range for the MUR840G is -65°C to +175°C.
- What is the maximum instantaneous forward voltage for the MUR840G at 8.0 A and 150°C?
The maximum instantaneous forward voltage for the MUR840G at 8.0 A and 150°C is 1.20 V.
- Is the MUR840G Pb-Free and RoHS compliant?
Yes, the MUR840G is Pb-Free and RoHS compliant.
- What is the thermal resistance, junction-to-case for the MUR840G?
The thermal resistance, junction-to-case for the MUR840G is 2.0 °C/W.
- What are the ESD ratings for the MUR840G?
The ESD ratings for the MUR840G are Machine Model > 400 V and Human Body Model > 16,000 V.
- Is the MUR840G suitable for automotive applications?
Yes, the MUR840G is AEC-Q101 qualified and PPAP capable, making it suitable for automotive and other high-reliability applications.
- What is the reverse recovery time for the MUR840G?
The reverse recovery time for the MUR840G is 50 ns.
- What are the typical applications for the MUR840G?
The MUR840G is typically used in switching power supplies, inverters, free-wheeling diodes, and automotive systems.
