IRL3803 Mosfet 30V 140A L3803 TO-220 Package

IRL3803 Mosfet 30V 140A L3803 TO-220 Package.

The IRL3803 is a logic-level N-channel power MOSFET designed for high-current and low-voltage switching applications. Manufactured using advanced HEXFET technology, it provides very low on-resistance and fast switching performance, making it ideal for applications that require high efficiency and low power loss.

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As a logic-level device, it can be fully driven by a 5 V logic signal from microcontrollers or logic ICs without needing a dedicated gate driver, making it perfect for embedded and automotive circuits. The TO-220 package provides efficient heat dissipation and is suitable for high-current loads up to 140 A.

Key Features:

• Type: N-channel enhancement mode MOSFET
• Drain-Source Voltage (V_DS): 30 V
• Continuous Drain Current (I_D): 140 A (at 25 °C)
• Pulsed Drain Current (I_DM): 520 A
• Gate Threshold Voltage (V_GS(th)): 1.0 V to 2.0 V (logic-level drive)
• Drain-Source On-Resistance (R_DS(on)): 0.005 Ω (typical)
• Gate Charge (Q_G): 170 nC (typical)
• Power Dissipation (P_D): 200 W (at 25 °C)
• Package: TO-220
• Operating Temperature: –55 °C to +175 °C

Applications:

• DC Motor Control: Ideal for high-current DC motor drivers and speed controllers.
• Battery Management Systems: Used in battery protection and charging circuits.
• Power Switching: Efficient switching in low-voltage DC circuits (12 V, 24 V).
• DC-DC Converters: Common in buck, boost, and synchronous rectifier circuits.
• Inverters and UPS Systems: For low-side or high-side switching.
• Automotive Electronics: Used in electric power steering, lighting, and control modules.
• Robotics and Embedded Systems: Easily driven by microcontrollers like Arduino, ESP32, or Raspberry Pi for load switching.
• LED Drivers: Suitable for high-current LED dimming and control circuits.

IRL3803 Datasheet