Product Overview
The IRF740PBF is an N-channel power MOSFET with 400V voltage rating and 10A continuous drain current capability. This through-hole TO-220AB device is designed for high-voltage switching applications such as switch-mode power supplies, power factor correction, and DC-DC converters.
Key Specifications
| Parameter | Value |
| Drain-Source Voltage (VDSS) | 400V |
| Continuous Drain Current (ID) | 10A @ Tc=25°C |
| On-Resistance (RDS(on)) | 550mΩ max @ VGS=10V |
| Gate Threshold Voltage (VGS(th)) | 2V to 4V |
| Total Gate Charge (Qg) | 63nC (max) @ 10V |
| Power Dissipation (PD) | 125W @ Tc=25°C |
| Operating Junction Temperature | -55°C to +150°C |
| Package | TO-220AB |
Features
- High voltage rating (400V)
- Low gate charge for fast switching
- Low reverse transfer capacitance
- Fast switching speed
- Fully characterized avalanche energy
- Dynamic dv/dt rating
- Easy to parallel for higher current
- Standard TO-220AB package
- RoHS compliant
Applications
- High efficiency switching DC-DC converters
- Switch mode power supplies
- Power factor correction (PFC)
- AC-DC converters
- Motor control
- Lighting ballasts