Small Signal Field Effect Transistors (FET)

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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

BSS84-G

Onsemi

MATTE TIN

1

e3

30

260

CSD25484F4T

Texas Instruments

P-CHANNEL

SINGLE WITH BUILT-IN DIODE AND RESISTOR

YES

UNSPECIFIED

SWITCHING

20 V

NO LEAD

RECTANGULAR

ENHANCEMENT MODE

1

3

CHIP CARRIER

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

-55 Cel

NICKEL GOLD

.18 ohm

2.5 A

BOTTOM

R-XBCC-N3

1

DRAIN

e4

30

260

7.2 pF

CSD75208W1015

Texas Instruments

P-CHANNEL

COMMON SOURCE, 2 ELEMENTS WITH BUILT-IN DIODE AND RESISTOR

YES

PLASTIC/EPOXY

SWITCHING

20 V

BALL

RECTANGULAR

ENHANCEMENT MODE

2

6

GRID ARRAY

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

-55 Cel

TIN SILVER COPPER

.15 ohm

1.6 A

BOTTOM

R-PBGA-B6

1

e1

30

260

10 pF

DMN2990UDJ-7

Diodes Incorporated

N-CHANNEL

SEPARATE, 2 ELEMENTS WITH BUILT-IN DIODE

YES

.35 W

PLASTIC/EPOXY

SWITCHING

20 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

2

.45 A

6

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

MATTE TIN

.99 ohm

.33 A

DUAL

R-PDSO-F6

1

HIGH RELIABILITY

e3

30

260

DMN30H4D0LFDE-13

Diodes Incorporated

NICKEL PALLADIUM GOLD

1

e4

30

260

DMN67D7L-7

Diodes Incorporated

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.57 W

PLASTIC/EPOXY

SWITCHING

60 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

3

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

-55 Cel

MATTE TIN

5 ohm

.21 A

DUAL

R-PDSO-G3

1

e3

260

FDS6576

Onsemi

P-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

2.5 W

PLASTIC/EPOXY

SWITCHING

20 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

11 A

8

SMALL OUTLINE

Other Transistors

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

MATTE TIN

.014 ohm

11 A

DUAL

R-PDSO-G8

1

Not Qualified

e3

30

260

FDS8817NZ

Onsemi

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

2.5 W

PLASTIC/EPOXY

SWITCHING

30 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

15 A

8

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

MATTE TIN

.007 ohm

15 A

DUAL

R-PDSO-G8

1

Not Qualified

e3

30

260

300 pF

IRLML6302PBF

Infineon Technologies

P-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.54 W

PLASTIC/EPOXY

SWITCHING

20 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

.78 A

3

SMALL OUTLINE

Other Transistors

METAL-OXIDE SEMICONDUCTOR

.54 W

150 Cel

SILICON

-55 Cel

MATTE TIN

.6 ohm

.78 A

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

28 pF

PMV40UN,215

NXP Semiconductors

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

1.9 W

PLASTIC/EPOXY

SWITCHING

30 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

4.9 A

3

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

TIN

.047 ohm

4.9 A

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

SI4463BDY-T1-GE3

Vishay Intertechnology

P-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

3 W

PLASTIC/EPOXY

20 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

9.8 A

8

SMALL OUTLINE

Other Transistors

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

.011 ohm

9.8 A

DUAL

R-PDSO-G8

MS-012AA

NOT SPECIFIED

NOT SPECIFIED

ZVN4206ASTOB

Zetex Plc

N-CHANNEL

SINGLE

NO

PLASTIC/EPOXY

SWITCHING

60 V

WIRE

RECTANGULAR

ENHANCEMENT MODE

1

3

IN-LINE

METAL-OXIDE SEMICONDUCTOR

200 Cel

SILICON

MATTE TIN

1.5 ohm

.6 A

SINGLE

R-PSIP-W3

1

Not Qualified

e3

10

260

BSL316CL6327HTSA1

Infineon Technologies

N-CHANNEL AND P-CHANNEL

SEPARATE, 2 ELEMENTS WITH BUILT-IN DIODE

YES

PLASTIC/EPOXY

30 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

2

6

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

.16 ohm

1.4 A

DUAL

R-PDSO-G6

Not Qualified

AVALANCHE RATED, LOGIC LEVEL COMPATIBLE

NOT SPECIFIED

NOT SPECIFIED

7 pF

BSN20BK

NXP Semiconductors

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

PLASTIC/EPOXY

SWITCHING

60 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

3

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

SILICON

Tin (Sn)

.0032 ohm

.265 A

DUAL

R-PDSO-G3

1

LOGIC LEVEL COMPATIBLE

TO-236AB

e3

30

260

7 pF

IEC-60134

BSS123Q-7-F

Diodes Incorporated

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.3 W

PLASTIC/EPOXY

SWITCHING

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

1

HIGH RELIABILITY

e3

6 pF

AEC-Q101

DMN2450UFB4-7B

Diodes Incorporated

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.9 W

PLASTIC/EPOXY

SWITCHING

20 V

NO LEAD

RECTANGULAR

ENHANCEMENT MODE

1

3

CHIP CARRIER

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

-55 Cel

NICKEL PALLADIUM GOLD

.4 ohm

1 A

BOTTOM

R-PBCC-N3

1

DRAIN

e4

260

7.3 pF

IRF7807VTRPBF

Infineon Technologies

N-CHANNEL

SINGLE

YES

2.5 W

1

8.3 A

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

8.3 A

1

JANSR2N7626UBC

Infineon Technologies

P-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

UNSPECIFIED

SWITCHING

60 V

NO LEAD

RECTANGULAR

ENHANCEMENT MODE

1

3

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

SILICON

TIN LEAD

1.4 ohm

.53 A

DUAL

R-XDSO-N3

Qualified

e0

MIL-19500; RH - 100K Rad(Si)

NTMD4820NR2G

Onsemi

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

2 W

PLASTIC/EPOXY

SWITCHING

30 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

8 A

8

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

Tin (Sn)

.02 ohm

4.9 A

DUAL

R-PDSO-G8

1

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

NTR3A30PZT1G

Onsemi

P-CHANNEL

SINGLE

YES

1.58 W

1

3 A

Other Transistors

METAL-OXIDE SEMICONDUCTOR

150 Cel

MATTE TIN

3 A

1

e3

30

260

SI1900DL-T1-E3

Vishay Intertechnology

N-CHANNEL

SEPARATE, 2 ELEMENTS WITH BUILT-IN DIODE

YES

.3 W

PLASTIC/EPOXY

30 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

2

.59 A

6

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

MATTE TIN

.48 ohm

.59 A

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

SI3440DV-T1-GE3

Vishay Intertechnology

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

1.14 W

PLASTIC/EPOXY

SWITCHING

150 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

6

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

-55 Cel

Matte Tin (Sn)

.375 ohm

1.2 A

DUAL

R-PDSO-G6

1

Not Qualified

MO-193C

e3

30

260

SQ1431EH-T1-GE3

Vishay Siliconix

P-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

PLASTIC/EPOXY

30 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

6

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

SILICON

.175 ohm

3 A

DUAL

R-PDSO-G6

Not Qualified

35 pF

SQ1431EH-T1_GE3

Vishay Intertechnology

N-CHANNEL

SEPARATE, 2 ELEMENTS WITH BUILT-IN DIODE

YES

1.5 W

PLASTIC/EPOXY

20 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

2

6

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

175 Cel

SILICON

-55 Cel

.28 ohm

.8 A

DUAL

R-PDSO-G6

12 pF

AEC-Q101

SSM6N7002KFU,LXH

Toshiba

N-CHANNEL

SEPARATE, 2 ELEMENTS WITH BUILT-IN DIODE AND RESISTOR

YES

.5 W

PLASTIC/EPOXY

SWITCHING

60 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

2

6

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

1.75 ohm

.3 A

DUAL

R-PDSO-G6

1.3 pF

AEC-Q101

2N4393

Texas Instruments

N-CHANNEL

SINGLE

NO

1.8 W

METAL

CHOPPER

40 V

WIRE

ROUND

DEPLETION MODE

1

3

CYLINDRICAL

Other Transistors

JUNCTION

200 Cel

SILICON

100 ohm

BOTTOM

O-MBCY-W3

GATE

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

3.5 pF

AO4485L

Alpha & Omega Semiconductor

P-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

1.7 W

PLASTIC/EPOXY

SWITCHING

40 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

8

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

-55 Cel

.015 ohm

10 A

DUAL

R-PDSO-G8

180 pF

BFR31,215

NXP Semiconductors

N-CHANNEL

SINGLE

YES

.3 W

PLASTIC/EPOXY

AMPLIFIER

25 V

GULL WING

RECTANGULAR

DEPLETION MODE

1

3

SMALL OUTLINE

Other Transistors

JUNCTION

150 Cel

SILICON

TIN

.01 A

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

1.5 pF

IEC-134

CAB400M12XM3

Wolfspeed

DMN2004WK-7

Diodes Incorporated

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.2 W

PLASTIC/EPOXY

SWITCHING

20 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

.54 A

3

SMALL OUTLINE

FET General Purpose Powers

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

MATTE TIN

.55 ohm

.54 A

DUAL

R-PDSO-G3

1

Not Qualified

HIGH RELIABILITY

e3

30

260

20 pF

AEC-Q101

DMN2065UWQ-7

Diodes Incorporated

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

PLASTIC/EPOXY

SWITCHING

20 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

3

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

SILICON

MATTE TIN

.065 ohm

2.8 A

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

DMN24H11DSQ-13

Diodes Incorporated

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

1.2 W

PLASTIC/EPOXY

SWITCHING

240 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

3

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

-55 Cel

MATTE TIN

.011 ohm

.27 A

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

4.1 pF

AEC-Q101

DMP3098LSD-13

Diodes Incorporated

P-CHANNEL

SEPARATE, 2 ELEMENTS WITH BUILT-IN DIODE

YES

1.8 W

PLASTIC/EPOXY

SWITCHING

30 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

4.4 A

8

SMALL OUTLINE

Other Transistors

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

MATTE TIN

.065 ohm

4.4 A

DUAL

R-PDSO-G8

1

Not Qualified

HIGH RELIABILITY

e3

30

260

FDT86244

Onsemi

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

2.2 W

PLASTIC/EPOXY

SWITCHING

150 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

2.8 A

4

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

-55 Cel

MATTE TIN

.128 ohm

2.8 A

DUAL

R-PDSO-G4

1

DRAIN

Not Qualified

ULTRA-LOW RESISTANCE

e3

30

260

5 pF

IPN95R1K2P7ATMA1

Infineon Technologies

TIN

1

e3

IRF8113TRPBF

Infineon Technologies

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

2.5 W

PLASTIC/EPOXY

SWITCHING

30 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

17.2 A

8

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

-55 Cel

.0056 ohm

17.2 A

DUAL

R-PDSO-G8

1

MS-012AA

250 pF

MMBF0201NLT1G

Onsemi

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.225 W

PLASTIC/EPOXY

SWITCHING

20 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

.3 A

3

SMALL OUTLINE

FET General Purpose Powers

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

MATTE TIN

1 ohm

.3 A

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

NSVJ5908DSG5T1G

Onsemi

N-CHANNEL

COMMON SOURCE, 2 ELEMENTS

YES

.3 W

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

DEPLETION MODE

2

5

SMALL OUTLINE

JUNCTION

.3 W

150 Cel

SILICON

-55 Cel

TIN BISMUTH

.05 A

DUAL

R-PDSO-F5

1

LOW NOISE

e6

30

260

AEC-Q101

NX138BKR

Nexperia

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

PLASTIC/EPOXY

SWITCHING

60 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

3

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

TIN

3.8 ohm

.265 A

DUAL

R-PDSO-G3

1

TO-236AB

e3

30

260

IEC-60134

PMZB390UNEYL

Nexperia

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

PLASTIC/EPOXY

SWITCHING

30 V

NO LEAD

RECTANGULAR

ENHANCEMENT MODE

1

3

CHIP CARRIER

METAL-OXIDE SEMICONDUCTOR

SILICON

TIN

.47 ohm

.9 A

BOTTOM

R-PBCC-N3

1

DRAIN

e3

30

260

IEC-60134

RZM002P02T2L

ROHM

P-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.15 W

PLASTIC/EPOXY

SWITCHING

20 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

.2 A

3

SMALL OUTLINE

Other Transistors

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

TIN COPPER

1.2 ohm

.2 A

DUAL

R-PDSO-F3

1

Not Qualified

e2

10

260

SI4431CDY-T1-GE3

Vishay Intertechnology

P-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

4.2 W

PLASTIC/EPOXY

SWITCHING

30 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

9 A

8

SMALL OUTLINE

Other Transistors

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

Matte Tin (Sn)

.032 ohm

9 A

DUAL

R-PDSO-G8

1

MS-012AA

e3

30

260

SI4532ADY-T1

Vishay Intertechnology

N-CHANNEL AND P-CHANNEL

SEPARATE, 2 ELEMENTS WITH BUILT-IN DIODE

YES

PLASTIC/EPOXY

30 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

2

8

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

SILICON

TIN LEAD

.053 ohm

3.7 A

DUAL

R-PDSO-G8

Not Qualified

e0

SSM3K56FS,LF(T

Toshiba

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.5 W

PLASTIC/EPOXY

SWITCHING

20 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

3

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

.235 ohm

.8 A

DUAL

R-PDSO-G3

NOT SPECIFIED

NOT SPECIFIED

6 pF

TN0620N3-GP003

Microchip Technology

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

NO

PLASTIC/EPOXY

SWITCHING

200 V

THROUGH-HOLE

ROUND

ENHANCEMENT MODE

1

3

CYLINDRICAL

METAL-OXIDE SEMICONDUCTOR

SILICON

6 ohm

.25 A

BOTTOM

O-PBCY-T3

TO-92

35 pF

TP0610T-G

Microchip Technology

P-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.36 W

PLASTIC/EPOXY

SWITCHING

60 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

3

SMALL OUTLINE

Other Transistors

METAL-OXIDE SEMICONDUCTOR

.36 W

150 Cel

SILICON

-55 Cel

MATTE TIN

10 ohm

.12 A

DUAL

R-PDSO-G3

1

Not Qualified

LOW THRESHOLD

TO-236AB

e3

260

10 pF

2SK3065T100

ROHM

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

2 W

PLASTIC/EPOXY

SWITCHING

60 V

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

2 A

3

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

.45 ohm

2 A

SINGLE

R-PSSO-F3

1

DRAIN

Not Qualified

10

260

AO4407AL

Alpha & Omega Semiconductor

P-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

PLASTIC/EPOXY

SWITCHING

30 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

8

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

-55 Cel

.013 ohm

12 A

DUAL

R-PDSO-G8

295 pF

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.