2N5172_D26Z Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Transistor Type:	NPN
Current - Collector (Ic) (Max):	500mA
Voltage - Collector Emitter Breakdown (Max):	25V
Vce Saturation (Max) @ Ib, Ic:	250mV @ 1mA, 10mA
Current - Collector Cutoff (Max):	100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	100 @ 10mA, 10V
Power - Max:	625mW
Frequency - Transition:	--
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
Supplier Device Package:	TO-92-3
Base Part Number:	2N5172

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Introduction

The 2N5172_D26Z is a single bipolar junction transistor (BJT) used in many electronic circuit designs. It is a power transistor with a collector-emitter voltage of up to 60 V and can handle up to 3 A of current. The transistor is manufactured with a doped base region to enable it to maintain high switching speeds and provide superior reliability. It is also known as a Darlington transistor.

Applications

2N5172_D26Z transistors are designed for use in power supply designs and control circuit designs, as well as audio amplification circuits. They are used in high power switching applications, such as motor controls and solid state relays, as well as linear regulated power supplies.The 2N5172_D26Z is also used in audio amplifiers, where the high collector-emitter voltage and current capabilities enable it to provide the drive necessary for powerful audio signals. Similarly, it can be used in modern guitar amplifiers, where the large current capabilities are necessary for high gain guitar tones.Another application for the 2N5172_D26Z is in electronic switches, since its high current capabilities make it ideal for quickly and reliably switching high voltages.

Working Principle

The basic principle of operation of the 2N5172_D26Z transistor is the same as any other bipolar transistor. A small current applied to the base terminal causes a larger current to flow between the collector and emitter terminals. The current flowing through the transistor is proportional to the base current, which is why it is sometimes referred to as an “amplifier”.The 2N5172_D26Z is a modern Darlington transistor, which means that it has two transistors connected in series, instead of one. This makes it more efficient, as the two transistors work together to amplify the base current even more. The two transistors in a Darlington pair also reduce voltage loss across the device, making it even more efficient.

Conclusion

The 2N5172_D26Z bipolar junction transistor is a versatile electronic component which can be used in a variety of power supply and switching applications. Its high power and current capabilities make it ideal for a wide range of applications, such as motor control, audio amplifiers, and electronic switches. The basic principle of operation is the same as any other BJT, with a small current applied to the base causing a larger current to flow between the collector and emitter. The 2N5172_D26Z is a Darlington transistor, which has two transistors in series and allows for even greater amplification of the current passing through the device.

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