2N5306 Transistor: NPN Darlington Transistor, Datasheet, Pinout

2N5306 Pinout

2N5306 Symbol

2n5306 Footprint

The 2N5306 NPN Darlington Transistor is made up of two transistors connected together. One is an NPN transistor, while the other is a PNP transistor in one package that looks like a regular transistor with the emitter, base, and collector connections. When compared to a regular transistor, it has a large current gain.

• NPN  Darlington Transistor

• High DC Current Gain (hFE), typically 20,000 when IC=100mA

• Emitter Base On Voltage (VBE) is 1.5V

• Continuous Collector current (IC) is 1.2A

• Collector-Emitter voltage (VCE) is 25 V

• Collector-Base voltage (VCB) is 25V

• Available in To-92 Package

• Can be used to switch high current (up to 51) loads

• Audio Amplifiers

• Signal Gain Boosters

• Can be used as medium Power switches

• Used where high amplification is needed

• Inverter and other rectifier circuits

The equivalent for 2N5306:

• 2N5308

ON Semiconductor 2N5306 technical specifications, attributes, parameters and parts with similar specifications to ON Semiconductor 2N5306.

The 2N5306 transistor is fairly similar to regular  NPN  transistors, however, because it is a Darlington transistor, it is significantly more powerful. The current gain of a normal transistor is typically 100-300, while our Darlington transistor has a gain of 20000, making it suitable for amplifier applications. Because it is made up of two circuits, it can carry a large amount of current (up to 1.2A), making it perfect for high-current applications. The sole significant disadvantage of this transistor is the high base voltage, which is roughly 1.5V.

Darlington transistors, which provide high DC current gain, are commonly utilized in amplification and switching applications. Let's look at the circuit schematic below to see how to use the 2N5306 NPN Darlington transistor as a switch. 

2N5306 Package

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