DTA143ZUBTL

Resistor - Emitter Base (R2):	47 kOhms
Base Part Number:	DTA143
Supplier Device Package:	UMT3F
Package / Case:	SC-85
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:	Not For New Designs
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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DTA143ZUBTL Application Field And Working PrincipleThe DTA143ZUBT is a high voltage, high power single transistor designed for application in high power switching and linear applications in a variety of markets, such as automotive, industrial, telecommunications, and consumer electronics. The DTA143ZUBT is designed to provide high breakdown voltage, high gain, and fast switching performance. It is available in a variety of package types, including TO-220, SOT223, and SMD.The DTA143ZUBT has a simple structure that consists of three individual layers: collector, base and emitter n-channel field effect transistors (nFETs). Each nFET is arranged in a single linear direction to produce an integrated circuit. The DTA143ZUBT is typically used in high voltage and high power switching, such as in motor drivers, power supplies and voltage regulators.The DTA143ZUBT has an internal pre-biasing circuit which enables it to operate at low voltages making it suitable for use in a wide range of operational scenarios, from low-power to high-power applications. This pre-biasing circuit includes a resistor, a diode and a transistor, whose configuration provides a stable bias voltage to the device prior to applying the falling edge of the input signal.The operation of the DTA143ZUBT begins when power is applied to the collector and emitter pins. This causes the current to flow between the emitter and collector which triggers the transistor to turn on and activate the pre-biasing circuit. Once the pre-biasing circuit is activated, the transistor can be switched on and off by controlling the volatge on the base pin. When the voltage on the base pin drops below a certain threshold, the transistor switches off, stopping the current flow and protecting the device from any outside electrical interferences.The DTA143ZUBT is also designed to operate in linear mode, meaning it can be used to amplify a signal. In linear mode, the transistor is used as a linear amplifier; when a signal is applied to the base pin, the current between the collector and the emitter is amplified and produced as an output on the collector pin. This can be used to increase the output voltage by controlling the base voltage.Overall, the DTA143ZUBT is highly versatile, being suitable for a wide range of applications, from high voltage and high power switching to linear amplification. It has fast switching performance and a compact design, making it ideal for use in a variety of markets. The device’s pre-biasing circuit also allows it to operate with low voltages, making it suitable for use in low-power applications.

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