DDTA143ZCA-7-F

Resistor - Emitter Base (R2):	47 kOhms
Base Part Number:	DDTA143
Supplier Device Package:	SOT-23-3
Package / Case:	TO-236-3, SC-59, SOT-23-3
Mounting Type:	Surface Mount
Power - Max:	200mW
Frequency - Transition:	250MHz
Current - Collector Cutoff (Max):	500nA
Vce Saturation (Max) @ Ib, Ic:	300mV @ 250µA, 5mA
DC Current Gain (hFE) (Min) @ Ic, Vce:	80 @ 10mA, 5V
Series:	--
Resistor - Base (R1):	4.7 kOhms
Voltage - Collector Emitter Breakdown (Max):	50V
Current - Collector (Ic) (Max):	100mA
Transistor Type:	PNP - Pre-Biased
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

The DDTA143ZCA-7-F is a pre biased single transistor manufactured by DB Units Inc. It is a bipolar junction transistor (BJT), which is widely used in different applications, from providing basic switching functions to more complex operations. This article will discuss the application areas and working principles of the DDTA143ZCA-7-F transistor.

Applications

The DDTA143ZCA-7-F is well suited to many different applications. It can be used as an amplifier, converter or high speed switch, ideal for applications requiring high speed switching. Additionally, it is often used in communications, industrial control, instrumentation, power supplies and audio applications thanks to its stability and reliability.The DDTA143ZCA-7-F is a 3-pin single transistor, with the first pin providing power, the second pin providing the control signal, and the third pin providing the output. Due to its pre-biased nature, the DDTA143ZCA-7-F is a low-cost, low-power solution ideal for small scale applications. This makes it a popular choice for a variety of small-scale circuits.The DDTA143ZCA-7-F transistor is also used in circuits due to its high switching speed and high input impedance, which allows it to respond quickly to changes in the control signal. It also has a relatively low voltage drop across the collector-emitter junction, making it ideal for power supply applications.In addition to its use in switching and amplification, the DDTA143ZCA-7-F is also used in the power stage of various audio applications, such as amplifiers, preamplifiers, and mixers. This is due to its ability to provide fast and accurate control of the current gain in the power circuit, which is essential for properly controlling audio signals.

Working Principle

The DDTA143ZCA-7-F transistor consists of an NPN semiconductor structure, with the first pin providing the base, the second pin providing the collector, and the third pin providing the emitter.In its high state, the collector is connected to the base, and the current is amplified when the voltage on the base changes. This is due to the Darlington configuration of the DDTA143ZCA-7-F, which is designed to provide high current gain and low saturation voltage.When the DDTA143ZCA-7-F is used as a switch, the current through the collector-emitter junction is controlled by the collector-base junction voltage. When this voltage exceeds the base voltage, current flows through the collector and emitter, causing the transistor to switch on. The current is then amplified by the collector current in the normal manner, causing the transistor to be turned on or off as required.

Conclusion

The DDTA143ZCA-7-F is a versatile and reliable pre-biased single bipolar junction transistor manufactured by DB Units Inc. It is ideal for a variety of applications, from basic switching functions to more complex operations, such as providing fast and precise audio control. Additionally, its low power, low cost and high speed switching capabilities make it an ideal choice for many small-scale, low-voltage applications. To conclude, the DDTA143ZCA-7-F transistor is a reliable and versatile circuit component capable of fulfilling a variety of tasks.

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