Overview
The MUR1540 is an ultrafast recovery rectifier designed and manufactured by onsemi. This component is optimized for use in switching power supplies, inverters, and as free-wheeling diodes. It is part of a series of switch-mode power rectifiers known for their high performance and reliability.
The MUR1540 is characterized by its ultrafast recovery time of 35 and 60 nanoseconds, making it suitable for high-frequency applications. It also features a high operating junction temperature of up to 175°C and high voltage capability up to 600 volts.
Key Specifications
| Parameter | Symbol | Value | Unit |
|---|---|---|---|
| Peak Repetitive Reverse Voltage | VRRM | 400 | V |
| Average Rectified Forward Current (Rated VR) | IF(AV) | 15 @ TC = 150°C | A |
| Peak Rectified Forward Current (Rated VR, Square Wave, 20 kHz) | IFRM | 30 @ TC = 150°C | A |
| Nonrepetitive Peak Surge Current (Surge applied at rated load conditions halfwave, single phase, 60 Hz) | IFSM | 200 | A |
| Operating Junction Temperature and Storage Temperature Range | TJ, Tstg | −65 to +175 | °C |
| Maximum Instantaneous Forward Voltage (iF = 15 A, TC = 150°C) | vF | 1.25 | V |
| Maximum Reverse Recovery Time (IF = 1.0 A, di/dt = 50 A/μs) | trr | 35-60 | ns |
| Case Type | Epoxy, Molded (TO-220) | ||
| Weight | Approximately 1.9 grams | ||
| Lead Temperature for Soldering Purposes | 260°C Max. for 10 Seconds |
Key Features
- Ultrafast recovery time of 35 and 60 nanoseconds, suitable for high-frequency applications.
- High operating junction temperature up to 175°C.
- High voltage capability up to 600 volts.
- Low forward drop and low leakage specified at 150°C case temperature.
- Current derating specified at both case and ambient temperatures.
- Pb-free packages available.
- AEC-Q101 qualified and PPAP capable, with SUR8 prefix for automotive and other applications requiring unique site and control change requirements.
- All external surfaces are corrosion resistant, and terminal leads are readily solderable.
Applications
- Switching power supplies.
- Inverters.
- Free-wheeling diodes.
- ATX power supplies.
- Server power supplies.
- Notebook adapters.
- Flat panel displays.
Q & A
- What is the MUR1540 designed for?
The MUR1540 is designed for use in switching power supplies, inverters, and as free-wheeling diodes.
- What is the maximum operating junction temperature of the MUR1540?
The maximum operating junction temperature is 175°C.
- What is the peak repetitive reverse voltage of the MUR1540?
The peak repetitive reverse voltage is 400 volts.
- What is the average rectified forward current of the MUR1540?
The average rectified forward current is 15 amps at a case temperature of 150°C.
- What is the recovery time of the MUR1540?
The recovery time is 35 and 60 nanoseconds.
- Is the MUR1540 Pb-free?
- What is the case type of the MUR1540?
The case type is epoxy, molded (TO-220).
- What is the lead temperature for soldering purposes?
The lead temperature for soldering purposes is 260°C maximum for 10 seconds.
- Is the MUR1540 AEC-Q101 qualified?
- What are some common applications of the MUR1540?
