TIP127 Transistor Pinout, equivalent, Specs, Features and Other Details

This post describes TIP127 transistor pinout, equivalent, specs, features and other details on how and where to use this transistor.

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 TIP127 Transistor Pinout, equivalent, Specs, Features and Other Details

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Features / technical specifications:

  • Package Type: TO-220
  • Transistor Type:  PNP
  • Max Collector Current(IC): –5A
  • Max Collector-Emitter Voltage (VCE): –100V
  • Max Collector-Base Voltage (VCB): –100V
  • Max Emitter-Base Voltage (VEBO): –5V
  • Max Collector Dissipation (Pc): 65 Watt
  • Minimum & Maximum DC Current Gain (hFE): 1000
  • Max Storage & Operating temperature: -65 to +150 Centigrade

 

NPN Complementary:

NPN Complementary of TIP127 is TIP122

 

Replacement and Equivalent:

TIP107, BD268A, BDT62B, MJE6042, MJE6041, MJE6042, NTE262, TIP137, BD650, BD652, BD902, BD802, MJF127, MJF6668 (Above are the nearest possible alternate or similar transistor for TIP127. The pin configuration of these transistors may be different, If want to use one in the replacement make sure to check the pinout details before replacement in your circuit.)

 

TIP127 Transistor Explained / Description:

TIP127 is a PNP BJT darlington transistor. It is a must of have transistor in an electronics lab because it can be used for variety of general purpose applications where you have need for high gain. The transistor can drive load of upto 5A, the collector-emitter voltage of the transistor is 100V due to which it can easily drive load of under 100V DC. Apart from that the maximum DC current gain of the transistor is 1000 and the max collector dissipation is 65W due to which it can also be used in audio and other signal amplification purpose.

This transistor has almost the same features or characteristics compare to the other two transistors of this series which are TIP125, TIP126. The only difference is the collector-base and collector-emitter voltage. But if you are using it in load under 60V then you can also use TIP125 and TIP126 as an accurate replacement for this transistor.

 

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Where We Can Use it & How to Use:

TIP127 transistor can be used in wide variety of application. The pair of transistor connected in side as darlington increases the transistor gain and performance, whether it is used as a switch or amplifier in both situation the darlington pair provides more sensitivity to a small signal. If you want to use it as a switch then it can be operated in full saturation mode by providing only 120mA to its base. With 5A output current you can drive a verity of devices and components in your electronic applications. Beside the above uses it can also be used as a separate audio amplifier to amplify and drive a speaker directly for a small audio coming from any devices or it can also be used in audio amplifier stages. It can also be used as an audio preamplifier or amplification of any signal.

 

Applications:

Audio Power Amplifier

Audio Amplifier Stages

Audio Preamplifiers

Drive Loads under 5A

Can be used at the output of microcontroller

 

How to Safely Long Run in a Circuit:

To get long term performance with TIP127 it is recommended to not operate load of more than 5A through this transistor. Do not drive load of more than -100V through this transistor. Use a suitable base resistor with the transistor. Always check pinout before placing in the circuit. Do not store or use in temperature below -65 centigrade and above +150 centigrade.

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