TIP42-S

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Transistor Type:	PNP
Current - Collector (Ic) (Max):	6A
Voltage - Collector Emitter Breakdown (Max):	40V
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:	--
Operating Temperature:	-65°C ~ 150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-220-3
Supplier Device Package:	TO-220

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Transistors - Bipolar (BJT) - Single TIP42-S application field and working principleThe TIP42-S, a high power silicon NPN transistor, is widely used in many types of technological applications. It is particularly suited for design and use in the voltage regulation and high-power stages of a variety of devices.The TIP42-S has various features that make it highly suitable for a number of applications, such as audio amplifiers, switching, and power regulator applications. It is especially suited for demanding high power applications due to its large collector current of 7.5 A and its maximum collector-emitter voltage of 40 V.Working principleThe general working principle of a transistor is the same for all transistors, but the specifics of the TIP42-S vary slightly from other types of transistors because of its particular design. The TIP42-S is a silicon NPN transistor, which means that it has three pins, the collector (C), base (B), and emitter (E).The TIP42-S works by allowing current to flow through it when there is a positive voltage on the base with respect to the emitter. When there is no voltage on the base, the current flow is cut off, and the transistor is considered off.In the case of the TIP42-S, the base-emitter junction forms a reverse-biased diode, and the base-collector junction also has a reverse bias. The base-emitter junction is forward biased when a voltage is applied, and when this happens, electrons from the N-type material in the base are pulled across the base-emitter junction, allowing current to flow through the transistor. The current can then flow from the collector to the emitter. The amount of current flow is proportional to the amount of voltage applied to the base. This is known as the transistor’s gain.Applications of the TIP42-SThe TIP42-S is a versatile transistor, and is used in a variety of applications, including high-power audio amplifiers, switching, and voltage regulators.Audio amplifiersThe TIP42-S is an ideal choice for audio amplifiers, since it has a high current rating and can handle large load currents with low distortion. Its wide voltage range and low saturation voltage makes it ideal for audio circuits that require high power output with minimal distortion.SwitchingThe TIP42-S is also an excellent choice for switch applications. Its high current capacity allows it to switch large currents with low power dissipation, while its low saturation voltage and high gain make it ideal for digital control.Voltage regulatorsThe TIP42-S is an excellent choice for voltage regulator applications, since it has a high gain and low saturation voltage. It is used in a variety of circuits, such as switching power supplies and motor drivers.ConclusionThe TIP42-S is a high power NPN silicon transistor that is suitable for a variety of applications. It is particularly suited for power-regulator, audio amplifier, and switch applications, due to its high current capacity and low saturation voltage. Its wide voltage range and high gain also make it ideal for use in digital control circuits.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description