描述
New Original MOS IRLR7843 IRLR7843TRPBF marking LR7843 N-Channel MOSFET 30V 161A Low RDS(ON) for High Power Supply & Motor Control
—N-Channel 30V 161A (Tc) 140W (Tc) Surface Mount TO-252AA (DPAK)
| Parameters | Typical Value | Notes |
| Drain-source breakdown voltage (Vdss) | 30V | Maximum withstand voltage |
| Continuous drain current (Id) | 161A (25°C) | High current drive capability |
| On-resistance (RDS(ON)) | 3.2mΩ (@VGS=10V) | Low loss, high efficiency |
| Gate-source threshold voltage (Vth) | 2.3V (@250μA) | Low turn-on voltage, simple drive |
| Rise time (tr) | 42ns | Quick turn-on, reduced switching loss |
| Fall time (tf) | 19ns | Quick turn-off, reduced reverse current |
| Maximum power dissipation (Pd) | 140W (Tc) | Thermal design basis |
| Package type | TO-252-3 (DPAK) | Surface mount, easy PCB layout |
Features
1. High power handling capability:
*Drain-source breakdown voltage (Vdss): 35V
*Continuous drain current (Id): 55A (at 25°C)
*On-resistance (RDS(ON)): 11.6mΩ (@VGS=-10V), providing low-loss power conversion.
2. Fast switching speed:
*Rise time (tr): 10ns
*Fall time (tf): 36ns
*Support high-frequency operation and improve system efficiency.
3. Built-in protection mechanism:
*Avalanche energy efficiency rating (Eas): 61mJ
*Gate-source threshold voltage (Vth): 3V (@250μA)
*Built-in diode enhances reverse current protection capability.
4. Thermal stability and reliability:
*Maximum power dissipation (Pd): 3.1W (Ta=25°C)
*Operating temperature range: -55°C to 150°C
*Adaptable to harsh industrial environments.
*Drain-source breakdown voltage (Vdss): 35V
*Continuous drain current (Id): 55A (at 25°C)
*On-resistance (RDS(ON)): 11.6mΩ (@VGS=-10V), providing low-loss power conversion.
2. Fast switching speed:
*Rise time (tr): 10ns
*Fall time (tf): 36ns
*Support high-frequency operation and improve system efficiency.
3. Built-in protection mechanism:
*Avalanche energy efficiency rating (Eas): 61mJ
*Gate-source threshold voltage (Vth): 3V (@250μA)
*Built-in diode enhances reverse current protection capability.
4. Thermal stability and reliability:
*Maximum power dissipation (Pd): 3.1W (Ta=25°C)
*Operating temperature range: -55°C to 150°C
*Adaptable to harsh industrial environments.
Applications
1. Power management module:
High-power switching power supply
DC-DC converter
Inverter (such as photovoltaic inverter, UPS power supply)
2. Motor control module:
High-power DC motor drive
Stepper motor drive
Power tool and robot control
3. Automotive electronic module:
Automotive battery management system (BMS)
In-vehicle lighting control (such as LED headlight drive)
Electric vehicle motor controller
4. High-power LED lighting module:
Industrial lighting drive
Outdoor LED display power supply
Smart lighting solution
