BDX34C-S

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Transistor Type:	PNP - Darlington
Current - Collector (Ic) (Max):	10A
Voltage - Collector Emitter Breakdown (Max):	100V
Vce Saturation (Max) @ Ib, Ic:	2.5V @ 6mA, 3A
Current - Collector Cutoff (Max):	500µA
DC Current Gain (hFE) (Min) @ Ic, Vce:	750 @ 3A, 3V
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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The BDX34C-S is a type of bipolar junction transistor (BJT). BJTs are composed of three layers of semiconductor material, where each layer is doped with a different type of conductivity - n-type for one layer, p-type for another, and n-type again for the third layer. This sandwich structure of semiconductor layers is what gives BJTs the ability to amplify electrical signals and also switch DC signals on and off. The BDX34C-S is a particular BJT that is a NPN type device. NPN transistors usually have a positive voltage applied to their base terminal in order to turn the transistor on and allow current to flow between the collector and emitter terminals. They are used in many different applications where you need an amplified current or to control a larger load with a smaller current or voltage.One common application of the BDX34C-S is in power supplies for small household electronics. This transistor can be used as a switch to turn the power supply on or off and regulate the amount of current that is being supplied to the device. The transistor has a low saturation voltage, which allows it to regulate the output voltage of the power supply without loss of efficiency, thus saving energy and power.The BDX34C-S can also be used as a switch in motor controllers, where the transistor can control the speed of a motor by regulating the voltage that is supplied to it. This is often done using a pulse width modulation (PWM) technique, where the on-off ratio of the PWM signal determines the speed of the motor. In addition to motor controllers, the BDX34C-S can also be used in audio amplifiers and other kinds of signal amplifying circuits. As a NPN type transistor, the BDX34C-S can be used in conjunction with a PNP type device to make a complementary pair, which is often used in audio amplifier circuits.The BDX34C-S can also be used in optoisolator circuits, which are used to electrically isolate two sections of a circuit from one another. In an optoisolator circuit, the BDX34C-S can be used as a switch that allows the light from the optocoupler to control the circuit, while still electrically isolating the two sections of the circuit from one another.Finally, the BDX34C-S can also be used in logic circuits, such as in logic gates and other kinds of digital circuits. As a transistor, the BDX34C-S can be used as an amplifying device that can switch between high and low levels, allowing it to be used to control the flow of data and signals in a digital circuit. In conclusion, the BDX34C-S is a versatile NPN type bipolar junction transistor (BJT) that can be used in many different applications. It is suitable for use in power supplies, motor controllers, audio amplifiers, optoisolator circuits, and logic circuits.

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