STN4NF20L Overview
The STN4NF20L is a high-performance N-channel MOSFET designed for efficient power switching and amplification in various industrial and consumer electronics applications. Featuring a low on-resistance and fast switching capabilities, it ensures minimal power loss and thermal dissipation, making it ideal for high-frequency and high-current circuits. This transistor supports robust operation with a maximum drain-source voltage suitable for demanding environments. Engineered for reliability and durability, the STN4NF20L integrates seamlessly into power management, motor control, and load switching systems, offering engineers and sourcing specialists a dependable solution for optimizing system performance. For more details, visit IC Manufacturer.
STN4NF20L Technical Specifications
| Parameter | Specification |
|---|---|
| Type | N-channel MOSFET |
| Drain-Source Voltage (VDS) | 200 V |
| Continuous Drain Current (ID) | 4 A |
| Gate Threshold Voltage (VGS(th)) | 2.0 ?C 4.0 V |
| On-Resistance (RDS(on)) | 0.12 ?? @ VGS=10 V |
| Power Dissipation (PD) | 1.25 W |
| Gate Charge (Qg) | 12 nC (typical) |
| Operating Temperature Range | -55 ??C to +150 ??C |
| Package Type | TO-220 |
STN4NF20L Key Features
- Low On-Resistance: Minimizes conduction losses, improving overall efficiency in power circuits.
- High Voltage Handling: Supports drain-source voltages up to 200 V, suitable for diverse high-voltage applications.
- Fast Switching Speed: Enables efficient operation in switching regulators and motor drives, reducing switching losses.
- Robust Thermal Performance: With a power dissipation rating of 1.25 W and TO-220 packaging, it ensures reliable heat management under demanding conditions.
Typical Applications
- Power management in DC-DC converters and switching power supplies, where efficient voltage regulation and thermal stability are critical.
- Motor control circuits requiring fast switching and high current handling for precision speed and torque control.
- Load switching in industrial automation systems, enabling robust control of high-voltage loads with minimal power loss.
- Battery protection and charging circuits, offering reliable switching and voltage tolerance for energy storage devices.
STN4NF20L Advantages vs Typical Alternatives
This MOSFET offers a compelling combination of low on-resistance and high voltage capacity, delivering improved efficiency and reliability compared to typical alternatives. Its fast switching reduces power dissipation, while the TO-220 package supports effective thermal management. The device??s stable threshold voltage and robust current rating make it a preferred choice for designers seeking consistent performance and durability in demanding industrial environments.
🔥 Best-Selling Products

Texas Instruments BQ24075 Linear Battery Charger IC – 5mm x 4mm QFN Package

Texas Instruments INA219 Current Sensor Module – SOIC Package, Precision Monitoring

Texas Instruments LM4041 Precision Voltage Reference – SOT-23 Package

Texas Instruments OPA2134 Audio Op Amp – Dual, High-Performance, SOIC-8 Package
STN4NF20L Brand Info
The STN4NF20L is manufactured by STMicroelectronics, a global leader in semiconductor solutions. Known for their innovation and quality, STMicroelectronics provides this MOSFET as part of their extensive portfolio of power transistors, designed for high efficiency and reliability. The brand emphasizes robust design and performance, supporting engineers worldwide in developing advanced power management and motor control applications.
FAQ
What is the maximum voltage rating of the STN4NF20L?
The device supports a maximum drain-source voltage of 200 V, allowing it to operate safely in high-voltage environments typical of power supply and motor control applications.
🌟 Featured Products

“Buy MAX9312ECJ+ Precision Voltage Comparator in DIP Package for Reliable Performance”

QCC-711-1-MQFN48C-TR-03-1 Bluetooth Audio SoC with MQFN48C Package

0339-671-TLM-E Model – High-Performance TLM-E Package for Enhanced Functionality

1-1415898-4 Connector Housing, Electrical Wire-to-Board, Receptacle, Packaged
How does the on-resistance affect performance in switching applications?
Lower on-resistance reduces conduction losses during operation, which improves efficiency and lowers heat generation. At 0.12 ?? with a 10 V gate drive, this MOSFET ensures minimal power dissipation during conduction phases.
What package type is used for this MOSFET and why is it important?
The STN4NF20L comes in a TO-220 package, which provides excellent thermal






