TIP42CTU

Series:	--
Packaging:	Tube
Part Status:	Active
Transistor Type:	PNP
Current - Collector (Ic) (Max):	6A
Voltage - Collector Emitter Breakdown (Max):	100V
Vce Saturation (Max) @ Ib, Ic:	1.5V @ 600mA, 6A
Current - Collector Cutoff (Max):	700µA
DC Current Gain (hFE) (Min) @ Ic, Vce:	15 @ 3A, 4V
Power - Max:	2W
Frequency - Transition:	3MHz
Operating Temperature:	150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-220-3
Supplier Device Package:	TO-220-3
Base Part Number:	TIP42

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TIP42CTU Application Field and Working Principle

Introduction to TIP42CTU

TIP42CTU is a NPN silicon power transistor, which is manufactured by STMicroelectronics. It is a general purpose transistor that is specifically designed for small signal, power switching and driver applications. This device can be used in a wide range of applications, including switching regulators, low-side switching, relay drivers and bridge drivers.

Electrical Characteristics

The TIP42CTU has a maximum current gain of 800 and a maximum power dissipation of 1.3W. It has a maximum Collector-Emitter voltage of 40V and a Base-Emitter voltage of 6V. The operating junction temperature range is -40°C to 125°C and the storage temperature range is -55°C to 150°C.

Packaging and Pinout

The TIP42CTU comes in a TO-220 full-packaged form and includes four pins arrangement. The pinout for the device is as follows:* Base - This is the input signal pin, it\'s connected to the control circuits.* Emitter - This is the low-level output, it\'s connected to the ground.* Collector - This is the high-level output, it\'s connected to the load.* Isolator (IS) - This is an isolated pin which should be connected with a resistor to the Base, to avoid noise and keep the transistor from oscillating.

Working Principle

The TIP42CTU is a NPN-type bipolar junction transistor (BJT). It consists of three regions of semiconductor material, the collector, base, and emitter. The base terminal is the control terminal. A small base current flows and controls the much-larger collector current.The working principle of the TIP42CTU can be explained with the help of a circuit diagram. Referring to the circuit, when we apply a voltage to the Base terminal, a small current starts to flow. This base current is amplified and it is used to control the Collector current. Due to this, a much larger current starts to flow from Collector to Emitter. This current is what is used to drive the load.

Conclusion

The TIP42CTU is a versatile device that is used in switching and driver applications. This NPN silicon power transistor has a wide range of electrical characteristics like a maximum power dissipation of 1.3W, a maximum Collector-Emitter voltage of 40V, and a Base-Emitter voltage of 6V. It comes in a TO-220 full-packaged form and is made up of three regions, Collector, Base, and Emitter. When a voltage is applied to the Base terminal, it amplifies the small base current and controls the large Collector current that is used to drive the load.

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