2N5457 Transistor Pinout, Equivalent, Uses, Features, Applications

This article describes 2N5457 transistor pinout, equivalent, uses, features, applications and other useful info about this TO-92 packaged JFET transistor.


2N5457 Transistor Pinout, Equivalent, Uses, Features, Applications



Features / Technical Specifications:

  • Package Type: TO-92
  • Transistor Type: N Channel
  • Max Voltage Applied From Drain to Source: 25V
  • Max Drain to Gate Voltage Should Be: 25V
  • Max Reverse Gate to Source Voltage is: –25
  • Max Continues Gate Current is: 10mA
  • Minimum to Maximum Gate to Source Cuttoff Voltage : -0.5 to 6.0
  • Max Power Dissipation is: 310mW
  • Max Storage & Operating temperature Should Be: -55 to +150 Centigrade
  • Low Noise & High Gain


Replacement and Equivalent:

2N4339, 2N4340, J201, 2N4338, 2N4341, 2N5458, 2N5459, NTE458 (Note: Pin configuration of some equivalent transistors may different from 2N5457, therefore check pin configuration before using in the place of 2N5457)


2N5457 Transistor Explained / Description:

2N5457 is a famous TO-92 packaged JFET transistor that is designed for general purpose switching and amplification purposes. It is also available in SOT-23 package by some manufacturers. Having features like high gain, low noise, low power operation due to which it can be used in battery operated devices. The transistor is designed for low gain signal amplification with good noise filtration due to which it can be used in variety of small signal amplification purposes.



Where We Can Use it & How to Use:

As mentioned above 2N5457 is designed for amplification purposes therefore it can be used in amplification of different type of low level signals whether it will be an audio signal or other type of signals in electronics. Other than that it can also be used as a switch and it can handle max load of 10mA.



Audio Preamp circuits

Any Low Level Signal Amplification

Sensor Circuits

Audio Amplifier Stages

Infrared Detection


How to Safely Long Run in a Circuit:

To get good performance with 2N5457 it is recommended to always stay below the maximum ratings. Do not drive load of more than 10mA, do not operate the load of more than 25V through this transistor, do not increase drain to gate voltage from 25V reverse gate to source voltage should not be increased from -25V, and always operate and store the transistor above -55 centigrade and below +150 centigrade.



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