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MMBT3906WT1G

The MMBT3906WT1G is a small signal NPN transistor from ON Semiconductor. It is designed for a wide range of applications including amplification and switching.

Description:

The MMBT3906WT1G is a NPN bipolar junction transistor (BJT) that is housed in a SOT-23 plastic package. It has a collector-emitter voltage (Vce) of -45V, a collector-base voltage (Vcb) of -50V, and an emitter-base voltage (Veb) of -5.0V.

Features:

1. High current gain (hfe): The MMBT3906WT1G has a minimum current gain (hfe) of 100 at Ic = 10mA, Vce = 5.0V, which makes it suitable for amplifying weak signals.
2. Low collector-emitter saturation voltage (Vce(sat)): The MMBT3906WT1G has a low collector-emitter saturation voltage (Vce(sat)) of 1.2V max at Ic = 100mA, which makes it suitable for low-voltage applications.
3. High switching speed: The MMBT3906WT1G has a fast switching time of 8ns (typical) from cutoff to saturation, which makes it suitable for high-speed switching applications.
4. Small package size: The SOT-23 plastic package of the MMBT3906WT1G makes it suitable for compact and portable electronic devices.

Applications:

The MMBT3906WT1G is commonly used in a wide range of applications including:

1. Amplification: The high current gain and low collector-emitter saturation voltage of the MMBT3906WT1G make it suitable for amplifying weak signals in audio and video applications.
2. Switching: The high switching speed and low saturation voltage of the MMBT3906WT1G make it suitable for high-speed switching applications in digital circuits.
3. Motor control: The MMBT3906WT1G can be used in motor control applications to switch the direction and speed of the motor.
4. LED lighting: The MMBT3906WT1G can be used in LED lighting applications to control the brightness and color of the LED.
5. Consumer electronics: The MMBT3906WT1G can be found in a wide range of consumer electronics including smartphones, laptops, and televisions.

Overall, the MMBT3906WT1G is a versatile NPN transistor that can be used in a wide range of applications due to its high current gain, low collector-emitter saturation voltage, and fast switching speed.