IRF740 400V 10A N-Channel Power MOSFET TO-220

The IRF740 is a 400V, 10A N-Channel Power MOSFET in a TO-220 package. Designed for high-speed switching applications, it features a low R_DS(on) and excellent avalanche energy handling. It is commonly used in power supplies, motor drivers, and high-voltage switching circuits.

Key Features of IRF740 400V 10A N-Channel Power MOSFET:

• High Voltage Tolerance: Can handle drain-source voltage up to 400V.
• High Current Capability: Supports continuous drain current up to 10A at 25°C.
• Low On-Resistance: Ensures efficient switching with minimal heat dissipation.
• Fast Switching: Suitable for high-frequency circuits with fast rise and fall times.
• TO-220 Package: Easy to mount with heatsink compatibility.

Technical Specifications of IRF740 400V 10A N-Channel Power MOSFET:

• Drain-Source Voltage (V_DSS): 400V
• Continuous Drain Current (I_D): 10A @ 25°C
• Pulsed Drain Current (I_DM): 40A
• Gate Threshold Voltage (V_GS(th)): 2.0V – 4.0V
• Drain-Source On-Resistance (R_DS(on)): 0.55Ω max
• Total Gate Charge (Q_g): 71nC typical
• Input Capacitance (C_iss): 1700pF typical
• Power Dissipation (P_D): 125W
• Operating Temperature Range: -55°C to +150°C

Mechanical Specifications of IRF740:

• Package Type: TO-220
• Pin Count: 3 (Gate, Drain, Source)
• Mounting: Through-Hole
• Case Material: Molded Plastic
• Cooling: Heatsink mountable with hole tab

Dimensions:

• Length: 10.2mm
• Width: 4.5mm
• Height: 15.6mm (including leads)
• Lead Pitch: 2.54mm

Mounting Options:

• Through-Hole Mount: Standard PCB mounting with soldering.
• Heatsink Mount: For better thermal management in power circuits.

Schematic Diagram, Connection, Wiring and Pinout of IRF740:

• Pinout: Pin 1 – Gate, Pin 2 – Drain, Pin 3 – Source
• Connection: Gate driven by controller/driver IC, Drain to load, Source to ground
• Wiring: Use gate resistor and flyback diode as needed in inductive loads

Datasheet of IRF740 400V 10A N-Channel Power MOSFET:

• Download IRF740 Datasheet (PDF)

Applications of IRF740 400V 10A N-Channel Power MOSFET:

• Switching Power Supplies: Used in SMPS topologies like flyback and forward converters
• Motor Drivers: Controls DC motors in H-bridge or PWM applications
• Inverters: Suitable for DC-AC inverter circuits
• Lighting Ballasts: Used in high-voltage fluorescent or LED driver circuits
• High-Voltage DC Switching: Ideal for controlled high-side or low-side switching

Equivalent of IRF740 400V 10A N-Channel Power MOSFET:

• IRF840: Higher voltage alternative (500V, 8A)
• STP10NK60Z: 600V, 9.8A MOSFET with low R_DS(on)
• IRF540N: Lower voltage, higher current option (100V, 33A)
• FQP13N50C: 500V, 13A TO-220 N-Channel MOSFET

Package Includes:

• 1 x IRF740 400V 10A N-Channel Power MOSFET TO-220