ZTX1149ASTOB

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Transistor Type:	PNP
Current - Collector (Ic) (Max):	3A
Voltage - Collector Emitter Breakdown (Max):	25V
Vce Saturation (Max) @ Ib, Ic:	300mV @ 70mA, 3A
Current - Collector Cutoff (Max):	100nA
DC Current Gain (hFE) (Min) @ Ic, Vce:	250 @ 500mA, 2V
Power - Max:	1W
Frequency - Transition:	135MHz
Operating Temperature:	-55°C ~ 200°C (TJ)
Mounting Type:	Through Hole
Package / Case:	E-Line-3, Formed Leads
Supplier Device Package:	E-Line (TO-92 compatible)
Base Part Number:	ZTX1149A

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Introduction: The ZTX1149ASTOB Transistor

The ZTX1149ASTOB is a singlepole high-power NPN transistor with an operating voltage range of -55 to 160V and a current rating of up to 800mA. It is designed specifically to meet the needs of demanding applications such as industrial, automotive and audio equipment.The ZTX1149ASTOB is manufactured by Neosid’s, a company that has been producing components for over 50 years. The company is known for producing quality products that are reliable and durable. It is made from high-grade silicon and is designed to last for many years.

Application Fields and Use Cases for the ZTX1149ASTOB Transistor

The ZTX1149ASTOB transistor has a wide range of applications including switch mode power supplies, audio amplifiers, RF amplifiers, and more. It has excellent switching performance because of its high current capacity, low noise, and low on-state resistance.In power supplies, the ZTX1149ASTOB is commonly used as an oscillator in switch mode power supplies. The device provides the necessary current to the oscillator circuit, allowing it to switch quickly and accurately. The transistor also provides good protection against overvoltage and overcurrent, making it ideal for use in sensitive equipment such as portable electronics and medical devices.In audio applications, the device is often used as a driver to amplify or modulate a signal. The high current capacity and fast switching of the ZTX1149ASTOB make it well suited for driving high-powered audio amplifiers. It is also used as an output stage in equalizers, to provide precise control of signal levels.In RF amplifiers, the device is used to drive the power stages of amplifiers to generate strong signals. The amount of power the transistor can handle increases with frequency, meaning the device is ideal for designing high-power RF amplifiers.

Working Principle of the ZTX1149ASTOB Transistor

The ZTX1149ASTOB transistor is a bipolar junction transistor (BJT). BJTs use current to control current and are divided into two types: NPN and PNP. The ZTX1149ASTOB is an NPN type, meaning that it uses a positive charge to control a negative charge.The device consists of three main components: an emitter, a collector and a base. The emitter and collector are two plates separated by a semiconductor material. The base is a third plate of the same material with an additional electrical connection.When a small electrical current is applied to the base, a larger current starts flowing from the emitter to the collector. This larger current can then be used to control larger currents, making it ideal for use in amplifiers, switches and other applications.

Conclusion

The ZTX1149ASTOB is a powerful high-voltage NPN transistor designed for high-power applications. Its high current capacity, low noise and low on-state resistance make it well suited for use in switch mode power supplies, audio amplifiers, RF amplifiers and many other applications. The device works according to the principles of bipolar junction transistors, using a Positive charge to control a Negative charge.

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