.36 W Small Signal Field Effect Transistors (FET) 174

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Part RoHS Manufacturer Polarity or Channel Type Configuration Surface Mount Nominal Transition Frequency (fT) Maximum Power Dissipation (Abs) Maximum Collector Current (IC) Package Body Material Transistor Application Maximum Rise Time (tr) Maximum VCEsat Minimum DS Breakdown Voltage Terminal Form Package Shape Operating Mode No. of Elements Maximum Pulsed Drain Current (IDM) Avalanche Energy Rating (EAS) Maximum Fall Time (tf) Maximum Drain Current (Abs) (ID) No. of Terminals Package Style (Meter) Sub-Category Field Effect Transistor Technology Maximum Power Dissipation Ambient Minimum DC Current Gain (hFE) Maximum Operating Temperature Maximum Collector-Base Capacitance Transistor Element Material Maximum Collector-Emitter Voltage Maximum Turn On Time (ton) Minimum Operating Temperature Maximum Turn Off Time (toff) Terminal Finish Maximum Drain-Source On Resistance Maximum Drain Current (ID) Terminal Position JESD-30 Code Moisture Sensitivity Level (MSL) Case Connection Qualification Additional Features JEDEC-95 Code JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Maximum Feedback Capacitance (Crss) Reference Standard

2N6453

Texas Instruments

N-CHANNEL

SINGLE

NO

.36 W

METAL

AMPLIFIER

WIRE

ROUND

DEPLETION MODE

1

4

CYLINDRICAL

Other Transistors

JUNCTION

200 Cel

SILICON

BOTTOM

O-MBCY-W4

ISOLATED

Not Qualified

LOW NOISE

TO-72

NOT SPECIFIED

NOT SPECIFIED

5 pF

TIS59

Texas Instruments

N-CHANNEL

SINGLE

NO

.36 W

PLASTIC/EPOXY

25 V

WIRE

ROUND

DEPLETION MODE

1

3

CYLINDRICAL

Other Transistors

JUNCTION

150 Cel

SILICON

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

3 pF

2N4857

Texas Instruments

N-CHANNEL

SINGLE

NO

.36 W

METAL

CHOPPER

40 V

WIRE

ROUND

DEPLETION MODE

1

3

CYLINDRICAL

Other Transistors

JUNCTION

200 Cel

SILICON

40 ohm

BOTTOM

O-MBCY-W3

GATE

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

8 pF

2N4861

Texas Instruments

N-CHANNEL

SINGLE

NO

.36 W

METAL

CHOPPER

30 V

WIRE

ROUND

DEPLETION MODE

1

3

CYLINDRICAL

Other Transistors

JUNCTION

200 Cel

SILICON

60 ohm

BOTTOM

O-MBCY-W3

GATE

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

8 pF

3N214

Texas Instruments

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

NO

.36 W

METAL

SWITCHING

20 V

WIRE

ROUND

DEPLETION MODE

1

.05 A

4

CYLINDRICAL

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

200 Cel

SILICON

20 ohm

.05 A

BOTTOM

O-MBCY-W4

SUBSTRATE

Not Qualified

TO-72

NOT SPECIFIED

NOT SPECIFIED

2 pF

TIS73

Texas Instruments

N-CHANNEL

SINGLE

NO

.36 W

PLASTIC/EPOXY

CHOPPER

30 V

WIRE

ROUND

DEPLETION MODE

1

3

CYLINDRICAL

Other Transistors

JUNCTION

150 Cel

SILICON

25 ohm

BOTTOM

O-PBCY-W3

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

8 pF

3N217

Texas Instruments

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

NO

.36 W

METAL

SWITCHING

20 V

WIRE

ROUND

DEPLETION MODE

1

.05 A

4

CYLINDRICAL

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

200 Cel

SILICON

70 ohm

.05 A

BOTTOM

O-MBCY-W4

SUBSTRATE

Not Qualified

TO-72

2 pF

3N216

Texas Instruments

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

NO

.36 W

METAL

SWITCHING

20 V

WIRE

ROUND

DEPLETION MODE

1

.05 A

4

CYLINDRICAL

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

200 Cel

SILICON

50 ohm

.05 A

BOTTOM

O-MBCY-W4

SUBSTRATE

Not Qualified

TO-72

NOT SPECIFIED

NOT SPECIFIED

2 pF

2N4860A

Texas Instruments

N-CHANNEL

SINGLE

NO

.36 W

METAL

CHOPPER

30 V

WIRE

ROUND

DEPLETION MODE

1

3

CYLINDRICAL

Other Transistors

JUNCTION

200 Cel

SILICON

40 ohm

BOTTOM

O-MBCY-W3

GATE

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

3.5 pF

2N4856

Texas Instruments

N-CHANNEL

SINGLE

NO

.36 W

METAL

CHOPPER

40 V

WIRE

ROUND

DEPLETION MODE

1

3

CYLINDRICAL

Other Transistors

JUNCTION

200 Cel

SILICON

25 ohm

BOTTOM

O-MBCY-W3

GATE

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

8 pF

2N4857A

Texas Instruments

N-CHANNEL

SINGLE

NO

.36 W

METAL

CHOPPER

40 V

WIRE

ROUND

DEPLETION MODE

1

3

CYLINDRICAL

Other Transistors

JUNCTION

200 Cel

SILICON

40 ohm

BOTTOM

O-MBCY-W3

GATE

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

3.5 pF

TIS70

Texas Instruments

N-CHANNEL

SEPARATE, 2 ELEMENTS

NO

.36 W

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

DEPLETION MODE

2

3

CYLINDRICAL

FET General Purpose Small Signal

JUNCTION

150 Cel

SILICON

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

4 pF

2N4860

Texas Instruments

N-CHANNEL

SINGLE

NO

.36 W

METAL

CHOPPER

30 V

WIRE

ROUND

DEPLETION MODE

1

3

CYLINDRICAL

Other Transistors

JUNCTION

200 Cel

SILICON

40 ohm

BOTTOM

O-MBCY-W3

GATE

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

8 pF

2N4858

Texas Instruments

N-CHANNEL

SINGLE

NO

.36 W

METAL

CHOPPER

40 V

WIRE

ROUND

DEPLETION MODE

1

3

CYLINDRICAL

Other Transistors

JUNCTION

200 Cel

SILICON

60 ohm

BOTTOM

O-MBCY-W3

GATE

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

8 pF

2N4856A

Texas Instruments

N-CHANNEL

SINGLE

NO

.36 W

METAL

CHOPPER

40 V

WIRE

ROUND

DEPLETION MODE

1

3

CYLINDRICAL

Other Transistors

JUNCTION

200 Cel

SILICON

25 ohm

BOTTOM

O-MBCY-W3

GATE

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

4 pF

TIS58

Texas Instruments

N-CHANNEL

SINGLE

NO

.36 W

PLASTIC/EPOXY

25 V

WIRE

ROUND

DEPLETION MODE

1

3

CYLINDRICAL

Other Transistors

JUNCTION

150 Cel

SILICON

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

3 pF

3N160

Texas Instruments

P-CHANNEL

SINGLE

NO

.36 W

METAL

CHOPPER

25 V

WIRE

ROUND

ENHANCEMENT MODE

1

.125 A

4

CYLINDRICAL

Other Transistors

METAL-OXIDE SEMICONDUCTOR

200 Cel

SILICON

.125 A

BOTTOM

O-MBCY-W4

SUBSTRATE

Not Qualified

TO-72

NOT SPECIFIED

NOT SPECIFIED

4 pF

2N6454

Texas Instruments

N-CHANNEL

SINGLE

NO

.36 W

METAL

AMPLIFIER

WIRE

ROUND

DEPLETION MODE

1

4

CYLINDRICAL

Other Transistors

JUNCTION

200 Cel

SILICON

BOTTOM

O-MBCY-W4

ISOLATED

Not Qualified

LOW NOISE

TO-72

5 pF

3N215

Texas Instruments

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

NO

.36 W

METAL

SWITCHING

20 V

WIRE

ROUND

DEPLETION MODE

1

.05 A

4

CYLINDRICAL

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

200 Cel

SILICON

35 ohm

.05 A

BOTTOM

O-MBCY-W4

SUBSTRATE

Not Qualified

TO-72

NOT SPECIFIED

NOT SPECIFIED

2 pF

2N4861A

Texas Instruments

N-CHANNEL

SINGLE

NO

.36 W

METAL

CHOPPER

30 V

WIRE

ROUND

DEPLETION MODE

1

3

CYLINDRICAL

Other Transistors

JUNCTION

200 Cel

SILICON

60 ohm

BOTTOM

O-MBCY-W3

GATE

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

3.5 pF

3N161

Texas Instruments

P-CHANNEL

SINGLE WITH BUILT-IN DIODE

NO

.36 W

METAL

SWITCHING

25 V

WIRE

ROUND

ENHANCEMENT MODE

1

.125 A

4

CYLINDRICAL

Other Transistors

METAL-OXIDE SEMICONDUCTOR

200 Cel

SILICON

.125 A

BOTTOM

O-MBCY-W4

SUBSTRATE

Not Qualified

TO-72

NOT SPECIFIED

NOT SPECIFIED

4 pF

2N6451

Texas Instruments

N-CHANNEL

SINGLE

NO

.36 W

METAL

AMPLIFIER

WIRE

ROUND

DEPLETION MODE

1

4

CYLINDRICAL

Other Transistors

JUNCTION

200 Cel

SILICON

BOTTOM

O-MBCY-W4

ISOLATED

Not Qualified

LOW NOISE

TO-72

NOT SPECIFIED

NOT SPECIFIED

5 pF

TIS74

Texas Instruments

N-CHANNEL

SINGLE

NO

.36 W

PLASTIC/EPOXY

CHOPPER

30 V

WIRE

ROUND

DEPLETION MODE

1

3

CYLINDRICAL

Other Transistors

JUNCTION

150 Cel

SILICON

40 ohm

BOTTOM

O-PBCY-W3

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

8 pF

TIS69

Texas Instruments

N-CHANNEL

SEPARATE, 2 ELEMENTS

NO

.36 W

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

DEPLETION MODE

2

3

CYLINDRICAL

FET General Purpose Small Signal

JUNCTION

150 Cel

SILICON

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

4 pF

2N4858A

Texas Instruments

N-CHANNEL

SINGLE

NO

.36 W

METAL

CHOPPER

40 V

WIRE

ROUND

DEPLETION MODE

1

3

CYLINDRICAL

Other Transistors

JUNCTION

200 Cel

SILICON

60 ohm

BOTTOM

O-MBCY-W3

GATE

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

3.5 pF

J106

Onsemi

N-CHANNEL

SINGLE

NO

.36 W

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

DEPLETION MODE

1

3

CYLINDRICAL

Other Transistors

JUNCTION

150 Cel

SILICON

Tin (Sn)

6 ohm

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

35 pF

P1087

Onsemi

P-CHANNEL

SINGLE

NO

.36 W

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

DEPLETION MODE

1

3

CYLINDRICAL

FET General Purpose Small Signal

JUNCTION

135 Cel

SILICON

Tin/Lead (Sn/Pb)

1 ohm

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

10 pF

PN4392

NXP Semiconductors

N-CHANNEL

SINGLE

NO

.36 W

PLASTIC/EPOXY

SWITCHING

40 V

WIRE

ROUND

DEPLETION MODE

1

3

CYLINDRICAL

Other Transistors

JUNCTION

150 Cel

SILICON

60 ohm

.006 A

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

5 pF

PN4391

NXP Semiconductors

N-CHANNEL

SINGLE

NO

.36 W

PLASTIC/EPOXY

SWITCHING

40 V

WIRE

ROUND

DEPLETION MODE

1

3

CYLINDRICAL

Other Transistors

JUNCTION

150 Cel

SILICON

30 ohm

.012 A

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

5 pF

PN4393

NXP Semiconductors

N-CHANNEL

SINGLE

NO

.36 W

PLASTIC/EPOXY

SWITCHING

40 V

WIRE

ROUND

DEPLETION MODE

1

3

CYLINDRICAL

Other Transistors

JUNCTION

150 Cel

SILICON

100 ohm

.003 A

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

5 pF

BSS123T/R

NXP Semiconductors

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.36 W

PLASTIC/EPOXY

SWITCHING

100 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

.17 A

3

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

MATTE TIN

6 ohm

.15 A

DUAL

R-PDSO-G3

1

Not Qualified

e3

260

10 pF

SP0610T

Infineon Technologies

P-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.36 W

PLASTIC/EPOXY

60 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

3

SMALL OUTLINE

Other Transistors

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

10 ohm

.13 A

DUAL

R-PDSO-G3

Not Qualified

TO-236

12 pF

BSS7728

Infineon Technologies

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.36 W

PLASTIC/EPOXY

60 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

3

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

-55 Cel

Matte Tin (Sn)

5 ohm

.2 A

DUAL

R-PDSO-G3

Not Qualified

LOGIC LEVEL COMPATIBLE

e3

4.4 pF

BSS7728N-E6327

Infineon Technologies

N-CHANNEL

SINGLE

YES

.36 W

PLASTIC/EPOXY

60 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

.2 A

3

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

-55 Cel

5 ohm

.2 A

DUAL

R-PDSO-G3

LOGIC LEVEL COMPATIBLE

4.4 pF

BSS7728E6327

Infineon Technologies

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.36 W

PLASTIC/EPOXY

60 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

3

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

-55 Cel

MATTE TIN

7.5 ohm

.15 A

DUAL

R-PDSO-G3

Not Qualified

LOGIC LEVEL COMPATIBLE

e3

8 pF

BSS7728N

Infineon Technologies

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.36 W

PLASTIC/EPOXY

60 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

.2 A

3

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

-55 Cel

TIN

5 ohm

.2 A

DUAL

R-PDSO-G3

1

Not Qualified

LOGIC LEVEL COMPATIBLE

e3

260

4.4 pF

AEC-Q101

BSS670S2L

Infineon Technologies

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.36 W

PLASTIC/EPOXY

SWITCHING

55 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

.54 A

3

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

TIN

.825 ohm

.54 A

DUAL

R-PDSO-G3

1

Not Qualified

LOGIC LEVEL COMPATIBLE

e3

40

260

10 pF

Q67041-S1416

Infineon Technologies

P-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.36 W

PLASTIC/EPOXY

60 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

9.5 mJ

3

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

.36 W

150 Cel

SILICON

141 ns

-55 Cel

146 ns

MATTE TIN

2 ohm

.33 A

DUAL

R-PDSO-G3

1

AVALANCHE RATED

e3

260

9 pF

BSS7728NGL6327

Infineon Technologies

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.36 W

PLASTIC/EPOXY

60 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

.2 A

3

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

-55 Cel

5 ohm

.2 A

DUAL

R-PDSO-G3

LOGIC LEVEL COMPATIBLE

4.4 pF

Q62702-S512

Infineon Technologies

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.36 W

PLASTIC/EPOXY

100 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

3

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

.36 W

150 Cel

SILICON

-55 Cel

10 ohm

.17 A

DUAL

R-PDSO-G3

6 pF

BSS7728NL6327HTSA1

Infineon Technologies

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.36 W

PLASTIC/EPOXY

60 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

3

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

-55 Cel

5 ohm

.2 A

DUAL

R-PDSO-G3

LOGIC LEVEL COMPATIBLE

4.4 pF

AEC-Q101

BSS7728NH6327

Infineon Technologies

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.36 W

PLASTIC/EPOXY

60 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

3

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

-55 Cel

5 ohm

.2 A

DUAL

R-PDSO-G3

LOGIC LEVEL COMPATIBLE

NOT SPECIFIED

NOT SPECIFIED

4.4 pF

AEC-Q101

BSS7728NL6327

Infineon Technologies

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.36 W

PLASTIC/EPOXY

60 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

.2 A

3

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

-55 Cel

MATTE TIN

5 ohm

.2 A

DUAL

R-PDSO-G3

1

Not Qualified

LOGIC LEVEL COMPATIBLE

e3

260

4.4 pF

BSS138I

Infineon Technologies

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.36 W

PLASTIC/EPOXY

60 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

3

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

.36 W

150 Cel

SILICON

-55 Cel

3.5 ohm

.23 A

DUAL

R-PDSO-G3

NOT SPECIFIED

NOT SPECIFIED

2.8 pF

BSS131H6327XT

Infineon Technologies

N-CHANNEL

SINGLE

YES

.36 W

PLASTIC/EPOXY

240 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

.11 A

3

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

-55 Cel

MATTE TIN

14 ohm

.11 A

DUAL

R-PDSO-G3

1

LOGIC LEVEL COMPATIBLE

e3

30

260

4.2 pF

AEC-Q101

BSS119H6327

Infineon Technologies

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.36 W

PLASTIC/EPOXY

100 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

3

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

-55 Cel

MATTE TIN

6 ohm

.17 A

DUAL

R-PDSO-G3

LOGIC LEVEL COMPATIBLE

e3

4.1 pF

AEC-Q101

BSS123E6433

Infineon Technologies

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.36 W

PLASTIC/EPOXY

SWITCHING

100 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

.17 A

3

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

10 ohm

.17 A

DUAL

R-PDSO-G3

1

Not Qualified

LOGIC LEVEL COMPATIBLE

260

6 pF

BSS145

Infineon Technologies

N-CHANNEL

SINGLE

YES

.36 W

PLASTIC/EPOXY

65 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

3

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

TIN LEAD

3.5 ohm

.22 A

DUAL

R-PDSO-G3

Not Qualified

e0

Small Signal Field Effect Transistors (FET)

Small Signal Field Effect Transistors (FET) are electronic devices used in low-power applications to amplify and switch small signals. They are commonly used in applications such as audio amplifiers, signal processing, and low-power digital circuits.

Small Signal FETs are designed to handle low-power levels and operate at low to medium frequencies, typically in the range of a few Hz to several MHz. They have a high gain and low noise figure, making them suitable for small signal amplification.

The Small Signal FET consists of a gate, source, and drain electrode, and works by controlling the flow of majority charge carriers (electrons or holes) between the source and drain regions through the gate electrode. When a voltage is applied to the gate electrode, it creates an electric field that modifies the conductivity of the channel, allowing current to flow between the source and drain.

Proper use of Small Signal FETs is important to ensure optimal performance, reliability, and compatibility with other components in the circuit. Small Signal FETs are often used in conjunction with other components, such as capacitors and resistors, to form complete low-power electronic circuits.