ZXTN04120HP5TC Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Transistor Type:	NPN - Darlington
Current - Collector (Ic) (Max):	1.5A
Voltage - Collector Emitter Breakdown (Max):	120V
Vce Saturation (Max) @ Ib, Ic:	1.5V @ 1mA, 1A
Current - Collector Cutoff (Max):	100nA
DC Current Gain (hFE) (Min) @ Ic, Vce:	2000 @ 1A, 5V
Power - Max:	3.2W
Frequency - Transition:	150MHz
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	PowerDI™ 5
Supplier Device Package:	PowerDI™ 5
Base Part Number:	ZXTN04120

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ZXTN04120HP5TC Application Field and Working Principle

Bipolar Junction Transistor (BJT)

A Bipolar Junction Transistor (BJT) is an electronic component used in electronic circuits that allows amplification and switching of electrical signals. BJTs are a type of transistor consisting of three layers. These layers are substrates, an emitter, and a collector and they can be operated as either an amplifier or a switch, or both.

Single Transistors

Single transistors are a type of BJT that consists of a single junction between the three layers. This type of BJT operates with two distant parts of the same assembly working together, the collector and the emitter, with the third layer, the substrate, mediating between them. Generally, single transistors are more versatile than their other BJT counterparts as they can be used for amplification , switching, and signal switching.

Application Field of ZXTN04120HP5TC

The ZXTN04120HP5TC is a single transistor commonly used in general purpose in small signal and switching applications. It is designed to operate in both Enhancement Mode and Depletion Mode. This type of transistor is usually used in electronic circuits such as RF amplifiers and communication circuits, power supplies, and low frequency switching. It can also be used in video buffering and fast switching circuits, as well as switching and signal buffering applications.

Working Principle

The functioning of a single transistor, as well as the ZXTN04120HP5TC, is governed by three electrodes, the Collector, the Base, and the Emitter. When a DC voltage is applied across the collector and the base, a current will be generated in the base. This current will cause the transistor to turn on and current will flow from the collector to the emitter. The ZXTN04120HP5TC basically acts as an amplifier, as it will amplify the small current from the base and activate the larger current from the collector to the emitter. When the voltage applied to the base is removed, the transistor will turn off and the current will cease to flow. This is known as the depletion mode and is used in situations where the circuit needs to be shut down quickly. Additionally, the ZXTN04120HP5TC can also be operated in the enhancement mode, where a small current is still passed between the collector and base when no voltage is applied to the base. This can be useful in situations where the transistor needs to be kept on at all times, such as in a power supply.

Conclusion

In conclusion, the ZXTN04120HP5TC is a single transistor commonly used in both general purpose and switching applications. It is designed to operate in both Enhancement Mode and Depletion Mode, allowing for more versatility in the type of circuits that the transistor can be used in. The ZXTN04120HP5TC works by amplifying a small current from its base and activating a larger current from its collector to the emitter. This makes it a useful component for functions such as RF amplifiers, power supplies, and low frequency switching.

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