DDTC144GCA-7

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Discontinued at Digi-Key
Transistor Type:	NPN - Pre-Biased
Current - Collector (Ic) (Max):	100mA
Voltage - Collector Emitter Breakdown (Max):	50V
Resistor - Emitter Base (R2):	47 kOhms
DC Current Gain (hFE) (Min) @ Ic, Vce:	68 @ 5mA, 5V
Vce Saturation (Max) @ Ib, Ic:	300mV @ 500µA, 10mA
Current - Collector Cutoff (Max):	500nA (ICBO)
Frequency - Transition:	250MHz
Power - Max:	200mW
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23-3
Base Part Number:	DDTC144

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The DDTC144GCA-7 is a single, pre-biased NPN transistor designed for use in low-load bipolar applications, and it is a popular transistor for amateur radio operators. Its performance characteristics make it ideal for use in a wide range of applications, including both analog and digital circuits. This article will discuss the DDTC144GCA-7, its application field, and its working principle. The DDTC144GCA-7 is a single, pre-biased NPN bipolar transistor that provides dual high-gain characteristics. It is equipped with two N-type semiconductor layers, a collector and an emitter, and the pre-biased design ensures that the device is always in an active state and ready to operate. The DDTC144GCA-7 can be used to control the output of a circuit, a component\'s gain, or the voltage level of a signal without requiring any additional biasing. The DDTC144GCA-7 is well-suited for use in a variety of applications. It is commonly used in RF amplifiers, due to its high gain and low noise characteristics, as well as in DC-DC converters and motor drives. The device is also ideal for use in low-load bipolar circuits, since it is designed to operate efficiently under lower power levels with minimal power dissipation.The working principle of the DDTC144GCA-7 is based on the flow of electrons from the device\'s base to the collector and then back to the emitter. As the base-emitter voltage increases, the current flow from the collector to the emitter increases, which causes the device to enter into saturation mode. In saturation, the DDTC144GCA-7 is able to handle higher current levels, amplifying the output of the circuit. When the DDTC144GCA-7 is in its active mode, the current flow between the collector and emitter is limited, the output of the device is proportional to the input current, and the voltage applied to the base-emitter junction is relatively low. The main benefit of this active mode is that the device is able to handle low-power signals, allowing the circuit to remain efficient even when the load is small.Overall, the DDTC144GCA-7 is a versatile device that is well suited for a variety of low-load bipolar applications. Its pre-biased design allows it to remain in an active state at all times, and its ability to handle low-power signals and provide efficient operation makes it a preferred choice for many amateur radio operators and engineers. With its wide range of applications and excellent performance characteristics, the DDTC144GCA-7 is a reliable and cost-effective choice in bipolar transistor technology.

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