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SI2302 Mosfet – N Channel – 2.2A – SOT-23 (Pack of 2)

SKU: QQ5X2ZJOS3
The SI2302 is a compact N-Channel Enhancement Mode MOSFET designed for efficient switching and power management applications. Packaged in the industry-standard SOT-23 form factor, it offers low on-resistance, fast switching performance, and logic-level gate operation. These characteristics make it suitable for battery-powered devices, microcontroller projects, LED drivers, motor control circuits, and portable electronic equipment. The SI2302 can be driven directly...
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Specifications

Specifications:

MOSFET Type: N-Channel Enhancement Mode
Package Type: SOT-23
Drain-Source Voltage (VDS): 20V
Continuous Drain Current (ID): 2.2A
Pulsed Drain Current (IDM): Up to 8A
Gate-Source Voltage (VGS): ±8V
Gate Threshold Voltage (VGS(th)): 0.45V to 1.0V
On-Resistance RDS(on) @ VGS = 4.5V: Typically 50mΩ to 85mΩ
On-Resistance RDS(on) @ VGS = 2.5V: Typically 60mΩ to 100mΩ
Power Dissipation (PD): Approximately 1.25W
Operating Temperature Range: -55°C to +150°C
Mounting Type: Surface Mount Device (SMD)
Number of Pins: 3 (Gate, Drain, Source)

Additional Resources

SI2302 Mosfet – N Channel – 2.2A – SOT-23.PDF

FAQ

1. What is the SI2302 MOSFET?

The SI2302 is an N-channel enhancement-mode MOSFET designed for low-voltage and high-speed switching applications. It comes in a compact SOT-23 package and is widely used in power management and load switching circuits.

2. What is the maximum current handling capability of the SI2302?

The SI2302 can handle a continuous drain current of up to 2.2A under suitable operating conditions, making it suitable for driving LEDs, motors, relays, and other low-power loads.

3. Can the SI2302 be controlled directly by a microcontroller?

Yes. The SI2302 is a logic-level MOSFET that can be driven directly from 3.3V and 5V microcontroller outputs, including Arduino, ESP32, STM32, and Raspberry Pi systems.

4. What are the main applications of the SI2302 MOSFET?

Common applications include load switching, battery-powered devices, DC motor control, LED dimming, power supply circuits, and portable electronic equipment.

5. Why is the SI2302 popular in compact electronic designs?

The SI2302 combines low on-resistance, fast switching performance, and a small SOT-23 package, allowing designers to create efficient circuits while minimizing PCB space requirements.

View full product details

The SI2302 is a compact N-Channel Enhancement Mode MOSFET designed for efficient switching and power management applications. Packaged in the industry-standard SOT-23 form factor, it offers low on-resistance, fast switching performance, and logic-level gate operation. These characteristics make it suitable for battery-powered devices, microcontroller projects, LED drivers, motor control circuits, and portable electronic equipment.

The SI2302 can be driven directly from 3.3V or 5V logic outputs, making it a popular choice for use with Arduino, ESP32, STM32, Raspberry Pi, and other embedded systems. Its low power losses and small footprint allow designers to create compact and energy-efficient electronic products.