Overview
The MUR860 is an ultrafast recovery rectifier diode produced by Harris Corporation. This diode is designed for high-performance applications requiring fast switching times, high current capability, and low power loss. It features a TO-220AC package, making it suitable for a variety of power management and switching applications. The MUR860 is known for its ultra-fast switching, high surge current capability, and low reverse leakage current, making it an excellent choice for power supply circuits, lighting systems, and UPS applications.
Key Specifications
| Parameter | Symbol | Condition | Typical | Maximum | Units |
|---|---|---|---|---|---|
| Maximum Repetitive Peak Reverse Voltage | VRRM | - | - | 600 | V |
| Working Peak Reverse Voltage | VRWM | - | - | 600 | V |
| Maximum DC Blocking Voltage | VDC | - | - | 600 | V |
| Maximum Average Forward Rectified Current | IF(AV) | 50% duty cycle @ TA=100°C, rectangular wave form | - | 8 | A |
| Peak Forward Surge Current | IFSM | 8.3ms, Half Sine pulse | - | 110 | A |
| Forward Voltage Drop | VF | @ 8A, Pulse, TJ = 25°C | 1.2 | 2.2 | V |
| Reverse Current | IR | @ VR = rated VR, TJ = 25°C | 0.02 | 5 | μA |
| Reverse Recovery Time | trr | IF=500mA, IR=1A, and Irm=250mA | 40 | 50 | ns |
| Junction Temperature | TJ | - | - | -55 to +150 | °C |
| Storage Temperature | TSTG | - | - | -55 to +150 | °C |
| Thermal Resistance, Junction to Ambient | RθJA | DC operation | - | 25 | °C/W |
Key Features
- Ultra-Fast Switching: The MUR860 features ultra-fast recovery times, making it suitable for high-frequency switching applications.
- High Current Capability: It can handle a maximum average forward rectified current of 8A and peak forward surge current of up to 110A.
- Low Reverse Leakage Current: The diode has a low reverse current, typically 0.02 μA at 25°C.
- High Surge Current Capability: It can withstand high surge currents, enhancing its reliability in demanding applications.
- Flammability Classification: The plastic package has UL Flammability Classification 94V-0.
- Pb-Free and Halogen-Free: The device is lead-free and halogen-free, complying with environmental standards.
- Low Forward Voltage Drop: The diode exhibits a low forward voltage drop, typically 1.2V at 8A, reducing power loss.
Applications
- Switching Power Supplies (SMPS): Ideal for use in high-frequency switching power supplies due to its fast recovery time and low power loss.
- Lighting Systems: Suitable for lighting applications requiring high efficiency and fast switching.
- Uninterruptible Power Supplies (UPS): Used in UPS systems for reliable and efficient power management.
- General Purpose Rectification: Can be used in various general-purpose rectification applications where high current and fast recovery are needed.
- Power Switching Circuits: Applicable in power switching circuits that require high surge current capability and low reverse leakage current.
Q & A
- Q: What is the maximum repetitive peak reverse voltage of the MUR860?
A: The maximum repetitive peak reverse voltage (VRRM) of the MUR860 is 600V. - Q: What is the maximum average forward rectified current of the MUR860?
A: The maximum average forward rectified current (IF(AV)) of the MUR860 is 8A. - Q: What is the typical forward voltage drop of the MUR860 at 8A?
A: The typical forward voltage drop (VF) of the MUR860 at 8A is 1.2V. - Q: What is the reverse recovery time of the MUR860?
A: The reverse recovery time (trr) of the MUR860 is typically 40ns and maximally 50ns. - Q: What is the junction temperature range of the MUR860?
A: The junction temperature range (TJ) of the MUR860 is -55°C to +150°C. - Q: Is the MUR860 Pb-free and halogen-free?
A: Yes, the MUR860 is lead-free and halogen-free, complying with environmental standards. - Q: What is the flammability classification of the MUR860's plastic package?
A: The plastic package of the MUR860 has UL Flammability Classification 94V-0. - Q: What are some common applications of the MUR860?
A: The MUR860 is commonly used in switching power supplies, lighting systems, UPS systems, and general-purpose rectification applications. - Q: What is the thermal resistance, junction to ambient, of the MUR860?
A: The thermal resistance, junction to ambient (RθJA), of the MUR860 is 25°C/W. - Q: How many units are typically shipped in a tube for the MUR860?
A: The MUR860 is typically shipped in tubes containing 50 units each.
