J201 Transistor Pinout, Equivalent, Uses, Features & Other Details

J201 is a general purpose amplifier JFET transistor, in this post we will discuss about J201 transistor pinout, equivalent, uses, features & other details about this transistor.

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J201 Transistor Pinout, Equivalent, Uses, Features & Other Details

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Features / Technical Specifications:

  • Package Type: TO-92
  • Transistor Type: N Channel
  • Max Voltage Applied From Gate to Source: –40
  • Max Drain to Gate Voltage Should Be: 40V
  • Max Continues Gate Current is: 50mA
  • Minimum to Maximum Gate to Source Cuttoff Voltage : -0.3 to -1.5
  • Max Power Dissipation is: 350mW
  • Max Storage & Operating temperature Should Be: -55 to +150 Centigrade
  • Very Low Noise & High Gain

 

J201 Replacement and Equivalent:

2N4338, 2N4339, 2N4340, 2N4341, 2N5458, 2N5459, 2N5457, NTE458 (Note: Pin configuration of the equivalent transistors may different from J201, therefore it is recommended to check pin configuration of the transistor you are using in the place of J201)

 

J201 Transistor Explained / Description:

J201 is a general purpose JFET transistor build for amplification purposes. It is manufactured in TO-92 and SOT-23 packages. The transistor is having some good features in its small packages like low cutoff voltage, Very low noise and high gain etc. with these features it can perform very well where there is requirements of more gain with low noise amplification of signals. Moreover due to its low power operating capabilities which are as low as 1.5V it is ideal to use in battery powered circuits.

 

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Where We Can Use it & How to Use:

J201 can be used in variety of low level signal amplification purposes for example if one wants to amplify a low gain signal to high gain with filtration of noise. It can be used in audio preamplifiers, mic preamplifiers and related circuits. Other than that it can also be used in infrared signal detection and amplification.

 

Applications:

Sensor Circuits

Audio Preamp circuits

Audio Amplifier Stages

Laser Detection & Data Amplifications

Infrared Detection & Data Amplifications

 

How to Safely Long Run in a Circuit:

For getting long term reliable performance from J201 FET transistor do drive load of more than 50mA, do not increase gate to source voltage from -40V and drain to gate voltage from 40V. And always store and operate the transistor in temperature above -55 centigrade and below +150 centigrade.

 

Datasheet:

To Download the datasheet just copy and paste the below link in your browser.

https://pdf1.alldatasheet.com/datasheet-pdf/view/245178/FAIRCHILD/J201/+Q_W28-VDvHSEIlOpfPzYz+/datasheet.pdf

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