2N3906 Transistor Pinout Details, Equivalent, Technical Specs & Other Details

2N3906 is a widely used PNP transistor; the post below describes its pinout details, equivalent, technical specs & other details of this transistor.

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2N3906 Transistor Pinout Details, Equivalent, Technical Specs & Other Details

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Features / technical specifications:

  • Package Type: TO-92
  • Transistor Type:  PNP
  • Max Collector Current(IC): 200mA
  • Max Collector-Emitter Voltage (VCE): 40V
  • Max Collector-Base Voltage (VCB): 40V
  • Max Emitter-Base Voltage (VEBO): 5V
  • Max Collector Dissipation (Pc):  625 miliWatt
  • Max Transition Frequency (fT): 250 MHz
  • Minimum & Maximum DC Current Gain (hFE): 100 – 300
  • Max Storage & Operating temperature Should Be: -55 to +150 Centigrade

 

NPN Complementary:

NPN Complementary of 2N3906 is 2N3904

 

Replacement and Equivalent:

BC557, 2N2907, BC556, A1015, C945, 2N4403, 9014, BC527, BC558, BC559 (The pin configuration of the equivalent transistors may different from the 2N3906, therefore it is suggested to always confirm the pin configuration of the transistor you are replacing in the circuit.

 

2N3906 Transistor Explained / Description:

2N3906 is a widely used transistor. This is also a famous transistor among hobbyists and students because it has been used in wide variety of electronic hobby and educational projects. The transistor is manufactured to perform general purpose tasks in electronic circuits hence it can be used for any general purpose requirement in electronic circuits that fall in its max specification values. The max collector current of the transistor is 200mA therefore it can be used to drive any load which falls under 200mA or 0.2A. Moreover the max collector dissipation value, DC current gain value also makes it ideal to use in wide variety of simple audio frequency applications.

 

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Where & How to Use 2N3906 Transistor:

2N3906 can be used in many projects for example it can be used in audio amplifier circuits for general or small amplification requirements. It can also be used as an audio preamplifier or in any other audio related circuit. Moreover it can be used to amplify any type of small signal. On the other hand if you want to use it as a switch then you can drive any load under 200mA with this transistor for example Relays, LEDs, high power transistors etc. The emitter-base voltage of the transistor is 5V due to which it can also be used at the output of microcontrollers.

 

Applications:

Switching loads under 200mA

Audio amplifier

Audio Preamplifier

Sensor circuits

 

How to Get Long Term Performance with 2N3906

To get good and long term performance with this transistor it is suggested to not operate load more than 200mA. Do not operate load above 40V DC, always use a suitable base resistor, confirm the pin configuration before placing the circuit to place it right, do not store of operate in temperature below -55 centigrade and above +150 centigrade.

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