ZTX958

Series:	--
Packaging:	Bulk
Part Status:	Active
Transistor Type:	PNP
Current - Collector (Ic) (Max):	500mA
Voltage - Collector Emitter Breakdown (Max):	400V
Vce Saturation (Max) @ Ib, Ic:	400mV @ 100mA, 500mA
Current - Collector Cutoff (Max):	50nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	100 @ 500mA, 10V
Power - Max:	1.2W
Frequency - Transition:	85MHz
Operating Temperature:	-55°C ~ 200°C (TJ)
Mounting Type:	Through Hole
Package / Case:	E-Line-3
Supplier Device Package:	E-Line (TO-92 compatible)
Base Part Number:	ZTX958

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Introduction

ZTX958 is a type of Bipolar Junction Transistor (BJT). Being a single-package device, it is one of the most widely used transistors in the market. It has a wide range of applications such as amplifiers, digital circuits and switching circuits. Furthermore, it has an operating voltage range of up to 60V, making it suitable for a plethora of applications.

Construction

The ZTX958 transistor is constructed using three separate layers of semiconductor materials - one p-type material which forms the base region and two n-type materials which form the emitter and collector regions. The three layers are connected together through a number of metallized contacts, which are connected to the gate and source regions. The base region is at a potential relative to the emitter and the collector and acts as the control point between the emitter and collector.

Working Principle

The ZTX958 works on the principle of a variable resistor. When a current is applied to the base of the transistor, it acts as a variable resistor. This means that, depending on the current applied to the base, the resistance between the emitter and collector regions can be varied. The magnitude of this resistance affects the current flowing through the collector and thus determines the current gain of the transistor. The current gain is determined by the ratio of the collector current, I_C, to the base current, I_B, and is expressed as h_FE. The ZTX958 has a current gain of approximately 50.The ZTX958 can also be used as a switch. By varying the base current, the voltage drop across the collector-emitter junction can be controlled. This allows the ZTX958 to switch the collector current on or off depending on the base current.

Application Field

Due to its wide range of useful characteristics, the ZTX958 transistor is commonly used in various commercial products. It is one of the most widely used transistors for switching and amplifier circuits, due to its high current gain, low on-resistance, and good power dissipation. Furthermore, it is used in a variety of digital circuits and most recently, power converters and MOSFET driver circuits. In addition to its use in commercial products, the ZTX958 is also a popular component in hobbyist projects. It is used in applications such as amplifier circuits, and motor control circuits.

Conclusion

The ZTX958 is a popular bipolar junction transistor that is used in a variety of commercial and hobbyist projects. It works on the principle of a variable resistor, which allows the transistor to be used as an amplifier or a switch. Furthermore, its wide range of useful characteristics make it one of the most used transistors in the market.

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