2N5486 JFET

2N5486 JFET
2N5486 JFET

2N5486 specification

  • 2N5486 N-channel JFET depletion amplifier transistor device
  • Drain-to-gate breakdown voltage (VDG) is 25V
  • Gate-to-source voltage (VGS) is 25V
  • Gate to source cutoff voltage (VGS (OFF)) is -2.0 to -6.0V
  • Drain current (ID) is 30mA
  • Gate forward current (IGF) is 10mA
  • Power dissipation (PD) is 350mW
  • Input capacitance (Ciss) is 0Pf
  • Output capacitance (Co) is 2pF
  • Junction temperature, storage (TJ) / (Tstg) is between -65 to 150℃
  • Forward transfer admittance (Yfs) is 4000 to 800umhos
  • Noise figure (NF) is 2 to 4dB


Pin Number Pin Name Description
1 Drain   The drain terminal is the current inlet of the JFET device
2 Source In the source, terminal current flows out from the JFET 
3 Gate Gate is used to trigger the MOSFET device


2N5486 Package

2N5486 amplifier JFET transistor has a TO-92 general-purpose electronic component package.

TO-92 three-terminal through-hole package is made of epoxy material which provides higher temperature capacity within a compact electronic package.

2N5486 transistor specification/ application description note:

In this section we explain the electrical specifications of the 2N5486 JFET transistor, this explanation is very useful for a better understanding of the transistor for the circuit-making and replacement process.

Voltage specs

The terminal voltage specs of 2N5486 JFET is the drain to gate voltage is 25V and gate to source reverse voltage is 25V.

The gate to source cutoff voltage is between -2.0 to -6.0V, it is the switching voltage value of the device.

The voltage specifications of the 2N5486 JFET transistor show it is a low-voltage amplifier device. 

Current specs

The drain current value of 2N5486 JFET is 30Ma and the gate forward current value is 10Ma.

The current value indicates the load capacity of the transistor device, it is a low-capacity device used for amplifier and general-purpose switching applications.

Dissipation specs

The dissipation ability of the 2N5486 JFET transistor is 350Mw, this value mainly depends on the device package.

Junction temperature

The junction temperature value of 2N5486 JFET is -65 to +150℃.

Input capacitance

The input capacitance value of the 2N5486 JFET transistor is 5.0pF

Output capacitance

The output capacitance value is important for some applications, it is 2pF for this transistor.

Noise figure

The noise value of the 2N5486 JFET transistor is 2 to 4Db.


If you need the datasheet in pdf please click this link


2N5486 JFET transistor have equivalent devices such as 2N5638, 2SK147, BF244, J107, 2N5001, 2N5640, 2SK223 and J109, each of these devices are JFET equivalent of 2N5486 transistor.

The specifications such as voltage, current, and noise figures are important for amplifier applications, check and verify them at each transistor before the replacement process.

2N5486 vs 2N5638 vs BF244

In the table, we listed the electrical specifications of 2N5486, 2N5638, and BF244 transistors, this detailed listing is very useful for the circuit-making and replacement process.

 Source to gate voltage (VSG)25V30V30V
Gate to source cutoff voltage (VGS(OFF))-2.0 to -6.0V--0.5 to -8.0V
 Gate to source  voltage (V­GS)25V-30V-30V
Drain current (ID)30mA50mA
Gate forward current (IG(F))10mA       50mA      10mA
Power dissipation (PD)350mW-350mW
Junction temperature (TJ)-65 to 150°C-55 to 150°C -55 to 150°C
Input capacitance (Ciss)5pF10pF3pF
Output capacitance2pF4pF0.9Pf
Noise figure (NF)2 to 4dB-1.5dB
PackageTO-92TO-92      TO-92

2N5486 transistor application

  • VHF/UHF amplifier circuit
  • High-frequency amplifier circuit
  • Mixer circuit applications
  • Oscillator circuit
  • Low-level signal amplifier circuit
  • Preamp circuit
  • Sensor circuit
  • Detector circuit

Similar Posts

Leave a Reply

Your email address will not be published. Required fields are marked *