PDTD123YUF

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Transistor Type:	NPN - Pre-Biased
Current - Collector (Ic) (Max):	500mA
Voltage - Collector Emitter Breakdown (Max):	50V
Resistor - Base (R1):	2.2 kOhms
Resistor - Emitter Base (R2):	10 kOhms
DC Current Gain (hFE) (Min) @ Ic, Vce:	70 @ 50mA, 5V
Vce Saturation (Max) @ Ib, Ic:	100mV @ 2.5mA, 50mA
Current - Collector Cutoff (Max):	500nA
Frequency - Transition:	225MHz
Power - Max:	300mW
Mounting Type:	Surface Mount
Package / Case:	SC-70, SOT-323
Supplier Device Package:	SOT-323-3

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Introduction

PDTD123YUF is a single pre-biased bipolar transistor (BJT) designed to quickly switch low voltage and low power circuits. It is a robust transistor with an extremely low base-emitter voltage and provides very low on-state resistance. This high-density integrated device is widely used in motor control, lighting, HDD motor control and high frequency switching applications.

Application Field

The PDTD123YUF is very advantageous for a wide range of applications. Its large internal surface area, small package size and low-side resistance make it suitable for handheld and low-cost designs. Specifically, it is used in motor control, lighting, HDD motor control and high frequency switch applications.Motor control is one of the most common applications for PDTD123YUF transistors. Motors are driven by a controller, which is typically based on transistors. The PDTD123YUF is particularly suitable for controlling rotary and linear motors due to its small size and low-on state resistance. It can be used in applications ranging from small low voltage devices, such as DC stepping motors, to large high voltage motors, such as AC induction motors.The PDTD123YUF transistor is also used for lighting applications, such as CFL or LED lighting. Its robust design and low base-emitter voltage makes it ideal for low voltage and low power circuits, providing reliable and highly efficient lighting.In addition, the PDTD123YUF is used in HDD motor control applications. Its low-side resistance and large internal surface area allows it to be used in highly efficient HDD motor control systems.Finally, it is also suitable for high frequency switch applications due to its low base-emitter voltage and robust design.

Working Principle

The PDTD123YUF is a single pre-biased bipolar transistor. It consists of three layers of semiconductor material, with circuits and electrodes connected between them. The first layer is the base, which is where the control signal enters the device. The second layer is the emitter, which emits the current that flows out of the device. The third layer is the collector, which collects the current from the device.When a voltage is applied to the base, electrons flow from the emitter to the collector, creating a current in the device. This current is proportional to the voltage applied. The PDTD123YUF is a high-density integrated device and requires very low base-emitter voltage. This makes it ideal for use in low voltage and low power circuits.

Conclusion

The PDTD123YUF is a single pre-biased bipolar transistor, designed for a wide range of applications. It has a robust design and very low base-emitter voltage, making it ideal for low voltage and low power circuits. It is particularly suitable for motor control, lighting, HDD motor control and high frequency switch applications due to its small size, low on state resistance and large internal surface area.

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