Overview
The MUR420RLG is a high-performance ultrafast rectifier 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 MUR420RLG is known for its ultrafast recovery times, high operating junction temperature, and low forward voltage, making it an ideal choice for high-efficiency power conversion applications.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Repetitive Reverse Voltage | VRRM | 200 | V |
| Average Rectified Forward Current (Square Wave) | IF(AV) | 4.0 @ TA = 80°C | A |
| Nonrepetitive Peak Surge Current | IFSM | 125 | A |
| Operating Junction Temperature & Storage Temperature | TJ, Tstg | -65 to +175 | °C |
| Maximum Instantaneous Forward Voltage (iF = 3.0 A, TJ = 150°C) | vF | 0.88 | V |
| Maximum Reverse Recovery Time (IF = 1.0 A, di/dt = 50 A/μs) | trr | 50 ns | ns |
| Maximum Forward Recovery Time (IF = 1.0 A, di/dt = 100 A/μs) | tfr | 25 ns | ns |
| Controlled Avalanche Energy (Maximum) | Waval | 5 mJ | mJ |
| Typical Peak Reverse Recovery Current (IF = 1.0 A, di/dt = 50 A/μs) | IRM | 0.8 A | A |
| Package Type | Axial Lead | ||
| Shipping | 1500 per Tape & Reel |
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
- Low leakage current
- High temperature glass passivated junction
- Reverse voltage up to 600 V (specific to the MUR420 model: 200 V)
- Pb-Free packages
- Corrosion-resistant external surfaces and readily solderable terminal leads
Applications
The MUR420RLG is designed for use in various high-efficiency power conversion applications, including:
- Switching power supplies
- Inverters
- Free-wheeling diodes
- High-frequency power systems
- Power factor correction circuits
Q & A
- What is the peak repetitive reverse voltage of the MUR420RLG?
The peak repetitive reverse voltage (VRRM) of the MUR420RLG is 200 V.
- What is the average rectified forward current of the MUR420RLG?
The average rectified forward current (IF(AV)) of the MUR420RLG is 4.0 A at an ambient temperature (TA) of 80°C.
- What is the maximum operating junction temperature of the MUR420RLG?
The maximum operating junction temperature (TJ) of the MUR420RLG is 175°C.
- What are the typical recovery times for the MUR420RLG?
The MUR420RLG has ultrafast recovery times of 25 ns, 50 ns, and 75 ns.
- Is the MUR420RLG Pb-Free?
- What is the maximum instantaneous forward voltage of the MUR420RLG?
The maximum instantaneous forward voltage (vF) of the MUR420RLG is 0.88 V at an IF of 3.0 A and TJ of 150°C.
- What are the typical applications of the MUR420RLG?
The MUR420RLG is typically used in switching power supplies, inverters, and as free-wheeling diodes.
- How is the MUR420RLG packaged?
The MUR420RLG is packaged in axial lead form and is available in tape and reel packaging with 1500 units per reel.
- What is the controlled avalanche energy of the MUR420RLG?
The controlled avalanche energy (Waval) of the MUR420RLG is 5 mJ.
- What is the typical peak reverse recovery current of the MUR420RLG?
The typical peak reverse recovery current (IRM) of the MUR420RLG is 0.8 A.
