TIP41-S

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Transistor Type:	NPN
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

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Introduction

The TIP41-S is a bipolar junction transistor (BJT) which offers high power output, high gain and easy switching between the three main bipolar switching modes. It offers a range of depletion type or enhancement type switch options and is suitable for applications such as schmitt trigger circuit, level switching, and motor control. This article will discuss the application fields and working principles of the TIP41-S.

TIP41-S Applications

The TIP41-S is suited for use in a range of applications. It is a switch device and is often used to regulate power in the three switched bipolar configurations. It offers enhanced output power and improved switching characteristics due to its high common emitter transistor current gain and wide base-emitter voltage.The device is well suited for use in discrete component applications such as switching circuits, motor speed controls, thyristor modules, and current drives. It can be used as a part of a schmitt trigger circuit to provide reliable switching of multiple outputs. It can also be used in linear circuits for level shifting and level control.In motor control applications, the TIP41-S is often used to actuate motors in a range of applications from brushless DC motors to stepper motors. It provides excellent switching performance and speed control due to its high common emitter gain, as well as providing superior noise immunity and high power output.

Working Principle

The TIP41-S operates on the principle of a bipolar junction transistor, where current passes between terminals connected to two different regions. The transistor consists of three layers of doped silicon, the collector, base, and emitter. When a potential difference is applied to the base-emitter junction, it causes electrons to flow through the material, creating a “drift current”. This drift current is modulated by a current flowing through the base, which controls the amount of current passing through the device.When used as a switch, the TIP41-S operates in either a “cutoff” or “saturation” mode. In the cutoff mode, the base current is set to a level which will cause the transistor to cut off any current passing through the collector. In the saturation mode, the base current is set high enough to cause the transistor to be fully saturated, allowing current to pass between the collector and emitter. The TIP41-S can also be used in linear applications, such as level shifting and level control. In these applications, the current flowing through the base is set at a level which modulates the collector current. The amount of collector current is determined by the voltage applied to the base-emitter junction, and this difference in potential can be used to create a control signal.

Conclusion

The TIP41-S is a versatile and powerful bipolar junction transistor which is commonly used for a wide range of applications. It is used in both switching and linear circuits, and offers excellent performance in power switching and motor control applications. Its wide range of depletion type and enhancement type switching options, along with its high gain and current output make it the ideal choice for power electronics applications.

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