STMicroelectronics, Inc. 120V 40A TO-220 MOSFET Transistor STP40NF12

120V 40A N-CH MOSFET TO-220 32mR Rds(on) Product overview: STP40NF12 from STMicroelectronics is a MOSFET Transistor for power switching, load control, motor drives, DC-DC converters, battery systems, and board-level power design. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 120V, 40A, TO-220. Search-friendly keywords include MOSFET, power transistor, switching, N-channel, P-channel, 120V, 40A, TO-220, MOSFET Transistor, Single FETs, MOSFETs. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 278-STP40NF12 can be used for catalog matching and distributor lookup.

Manufacturer: STMicroelectronics
Win Source Part Number: 037755-STP40NF12
Packaging: Tube/Rail
Mounting: Through Hole
Technology: MOSFET
Polarity: N-Channel
Power Dissipation (Max): 150W (Tc)
Categories: Discrete Semiconductor Products
Drive Voltage (Max Rds On, Min Rds On): 10V
Status: Active
Temperature Range - Operating: -55°C to 175°C (TJ)
Case / Package: TO-220AB
Dimension: TO-220-3
Drain-Source Breakdown Voltage: 120V
Continuous Drain Current at 25°C: 40A (Tc)
Gate-Source Threshold Voltage: 4V @ 250μA
Max Gate Charge: 80nC @ 10V
Max Input Capacitance: 1880pF @ 25V
Maximum Gate-Source Voltage: ±20V
Maximum Rds On at Id,Vgs: 32 mOhm @ 20A, 10V
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 59 pct.
Supply and Demand Status: Balance