DDTA125TE-7-F

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Transistor Type:	PNP - Pre-Biased
Current - Collector (Ic) (Max):	100mA
Voltage - Collector Emitter Breakdown (Max):	50V
Resistor - Base (R1):	200 kOhms
DC Current Gain (hFE) (Min) @ Ic, Vce:	100 @ 1mA, 5V
Vce Saturation (Max) @ Ib, Ic:	300mV @ 50µA, 500µA
Current - Collector Cutoff (Max):	500nA (ICBO)
Frequency - Transition:	250MHz
Power - Max:	150mW
Mounting Type:	Surface Mount
Package / Case:	SOT-523
Supplier Device Package:	SOT-523
Base Part Number:	DDTA125

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Introduction

A DDTA125TE-7-F is a single pre-biased transistor, which belongs to the family of bipolar transistors (BJT). It is a current-controlled device, working by allowing for the flow of current between two distinct terminals. The collector current is monitored and controlled by the base current and the type of transistor used. This article will explain the application fields and working principle of the DDTA125TE-7-F.

Application Fields

The DDTA125TE-7-F is used in a range of applications, including amplifiers, switching, logic circuits, and drivers. Its multi-layer structure and low Vce(SAT) makes it well-suited to modern radio technologies.The DDTA125TE-7-F is mainly used for radio frequency and digital signal transmission. It is well-suited to applications such as high frequency amplification, LNBs, multi-stage amplifiers, and video processing circuits. Its wide voltage range, good RF matching performance, and excellent response time make it ideal for use in data transmission over long distances.The DDTA125TE-7-F is also used in applications such as a low noise amplifier, low voltage amplifier, automotive applications, MOSFET gate driver, and power switch.

Working Principle

The DDTA125TE-7-F works using a current-controlled principle. It has three terminals; the base, collector, and emitter. The base terminal is the control terminal, while the collector and emitter are the other two terminals. A signal is applied to the base at a certain voltage level from the signal source, which controls the current flowing through the circuit based on the signal source\'s voltage level.Since the base is the control terminal, it acts like an insulator, which allows for a certain amount of current to flow from the collector to the emitter. The base current depends on the magnitude of the signal applied to the base. As the base current increases, the collector current increases too. This is the main principle behind how a transistor works.The DDTA125TE-7-F has a low Vce(SAT), which means that it requires low voltage in order to switch it on. It is also pre-biased, meaning that it is already in the on state before a signal is applied to the base, which is ideal for applications that require minimal power consumption.

Conclusion

The DDTA125TE-7-F is an ideal transistor for use in a variety of applications, including amplifiers, switching, logic circuits, drivers, and other radio frequency applications. Its low Vce(SAT), pre-biased design, and wide voltage range make it well-suited for applications that require minimal power consumption, as well as radio frequency and digital signal transmission. Its main working principle is based around a current-controlled model, where the base current is monitored and controlled by the type of transistor used, and the signal voltage from the signal source.

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