Overview
The MUR420RL ultrafast rectifier, produced by onsemi, is a state-of-the-art device designed for use in switching power supplies, inverters, and as free-wheeling diodes. This rectifier is part of the MUR series, which includes models such as MUR405, MUR410, MUR415, MUR420, MUR440, and MUR460. The MUR420RL is known for its ultrafast recovery times, high operating junction temperature, and low forward voltage, making it an ideal choice for high-performance applications.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Maximum Repetitive Peak Reverse Voltage | VRRM | 200 | V |
| Maximum Average Forward Rectified Current at TA = 80°C | IF(AV) | 4.0 | A |
| Peak Forward Surge Current (8.3 ms single half sine-wave) | IFSM | 150 | A |
| Operating Junction and Storage Temperature Range | TJ, TSTG | -65 to +175 | °C |
| Maximum Instantaneous Forward Voltage (IF = 3.0 A, TJ = 150°C) | VF | 0.710 | V |
| Maximum Reverse Recovery Time (IF = 1.0 A, di/dt = 50 A/μs) | trr | 25 ns | ns |
| Maximum Forward Recovery Time (IF = 1.0 A, di/dt = 100 A/μs) | tfr | 25 ns | ns |
| Typical Thermal Resistance, Junction-to-Ambient | RθJA | 28 | °C/W |
| Package Type | DO-201AD | ||
| Lead Temperature for Soldering Purposes | 260°C Max. for 10 Seconds |
Key Features
- Ultrafast recovery times of 25 ns, 50 ns, and 75 ns
- High operating junction temperature of up to 175°C
- Low forward voltage and low leakage current
- High temperature glass passivated junction
- Reverse voltage up to 600 V (though the MUR420 specifically is rated at 200 V)
- Corrosion-resistant epoxy molded case with readily solderable terminal leads
- Pb-free packages available
Applications
The MUR420RL ultrafast rectifier is designed for use in various high-performance applications, including:
- Switching power supplies
- Inverters
- Free-wheeling diodes
- High-frequency power conversion systems
- Power factor correction circuits
Q & A
- What is the maximum repetitive peak reverse voltage of the MUR420RL?
The maximum repetitive peak reverse voltage of the MUR420RL is 200 V.
- What are the ultrafast recovery times of the MUR420RL?
The MUR420RL has ultrafast recovery times of 25 ns, 50 ns, and 75 ns.
- What is the maximum operating junction temperature of the MUR420RL?
The maximum operating junction temperature of the MUR420RL is 175°C.
- What is the maximum average forward rectified current of the MUR420RL at 80°C?
The maximum average forward rectified current of the MUR420RL at 80°C is 4.0 A.
- What is the peak forward surge current of the MUR420RL?
The peak forward surge current of the MUR420RL is 150 A for an 8.3 ms single half sine-wave.
- What is the typical thermal resistance, junction-to-ambient, of the MUR420RL?
The typical thermal resistance, junction-to-ambient, of the MUR420RL is 28 °C/W.
- What type of package is the MUR420RL available in?
The MUR420RL is available in the DO-201AD package type.
- Is the MUR420RL Pb-free?
- What are the common applications of the MUR420RL?
The MUR420RL is commonly used in switching power supplies, inverters, free-wheeling diodes, and high-frequency power conversion systems.
- What is the lead temperature for soldering purposes of the MUR420RL?
The lead temperature for soldering purposes of the MUR420RL is 260°C Max. for 10 Seconds.
