YES RF Small Signal Field Effect Transistors (FET) 1,826

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Part RoHS Manufacturer Polarity or Channel Type Configuration Surface Mount Maximum Power Dissipation (Abs) Package Body Material Transistor Application Minimum DS Breakdown Voltage Minimum Power Gain (Gp) Terminal Form Package Shape Operating Mode No. of Elements Highest Frequency Band Maximum Drain Current (Abs) (ID) No. of Terminals Package Style (Meter) Sub-Category Field Effect Transistor Technology Maximum Power Dissipation Ambient Maximum Operating Temperature Transistor Element Material Minimum Operating Temperature Terminal Finish 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

ATF-55143-BLK

Broadcom

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

5 V

15.5 dB

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

C BAND

.1 A

4

SMALL OUTLINE

FET RF Small Signal

HIGH ELECTRON MOBILITY

.27 W

150 Cel

SILICON

TIN LEAD

.1 A

DUAL

R-PDSO-G4

SOURCE

Not Qualified

e0

ATF-55143-TR2G

Broadcom

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

5 V

15.5 dB

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

C BAND

.1 A

4

SMALL OUTLINE

FET RF Small Signal

HIGH ELECTRON MOBILITY

.27 W

150 Cel

SILICON

MATTE TIN

.1 A

DUAL

R-PDSO-G4

1

SOURCE

Not Qualified

e3

20

260

BF2030E6814HTSA1

Infineon Technologies

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

10 V

20 dB

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

ULTRA HIGH FREQUENCY BAND

4

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

SILICON

.04 A

DUAL

R-PDSO-G4

SOURCE

LOW NOISE

MGF4964BL

Mitsubishi Electric

P-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

11.5 dB

FLAT

SQUARE

DEPLETION MODE

1

K BAND

.06 A

4

MICROWAVE

FET RF Small Signal

HIGH ELECTRON MOBILITY

.05 W

125 Cel

GALLIUM ARSENIDE

.06 A

QUAD

S-PQMW-F4

NOT SPECIFIED

NOT SPECIFIED

MMBFJ211

Onsemi

N-CHANNEL

SINGLE

YES

.225 W

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

3

SMALL OUTLINE

Other Transistors

JUNCTION

150 Cel

SILICON

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

PMBFJ310,215

NXP Semiconductors

N-CHANNEL

SINGLE

YES

.25 W

PLASTIC/EPOXY

AMPLIFIER

25 V

GULL WING

RECTANGULAR

DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

3

SMALL OUTLINE

Other Transistors

JUNCTION

150 Cel

SILICON

TIN

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

TO-236AB

e3

30

260

2.5 pF

BF1207,115

NXP Semiconductors

N-CHANNEL

SINGLE

YES

.18 W

PLASTIC/EPOXY

AMPLIFIER

6 V

21 dB

GULL WING

RECTANGULAR

DUAL GATE, ENHANCEMENT MODE

2

ULTRA HIGH FREQUENCY BAND

.03 A

6

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

MATTE TIN

.03 A

DUAL

R-PDSO-G6

ISOLATED

Not Qualified

LOW NOISE

e3

ATF-53189-BLK

Broadcom

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

7 V

14 dB

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

C BAND

.3 A

3

SMALL OUTLINE

FET RF Small Signals

HIGH ELECTRON MOBILITY

1 W

150 Cel

SILICON

MATTE TIN

.3 A

SINGLE

R-PSSO-F3

2

SOURCE

Not Qualified

LOW NOISE

e3

260

ATF-38143-TR1G

Broadcom

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

4.5 V

15 dB

GULL WING

RECTANGULAR

DEPLETION MODE

1

X BAND

4

SMALL OUTLINE

FET RF Small Signals

HIGH ELECTRON MOBILITY

.58 W

160 Cel

GALLIUM ARSENIDE

MATTE TIN

DUAL

R-PDSO-G4

1

SOURCE

Not Qualified

e3

20

260

MMBFJ305

Onsemi

N-CHANNEL

SINGLE

YES

.225 W

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

DEPLETION MODE

1

3

SMALL OUTLINE

Other Transistors

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

Tin (Sn)

DUAL

R-PDSO-G3

1

TO-236AB

e3

30

260

2SK302-Y

Toshiba

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.15 W

PLASTIC/EPOXY

AMPLIFIER

20 V

GULL WING

RECTANGULAR

DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

.03 A

3

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

125 Cel

SILICON

.03 A

DUAL

R-PDSO-G3

Not Qualified

TO-236

.05 pF

BF904,215

NXP Semiconductors

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

PLASTIC/EPOXY

AMPLIFIER

7 V

GULL WING

RECTANGULAR

DUAL GATE, ENHANCEMENT MODE

1

ULTRA HIGH FREQUENCY BAND

.03 A

4

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

TIN

.03 A

DUAL

R-PDSO-G4

1

SOURCE

Not Qualified

LOW NOISE

e3

30

260

.035 pF

FLC057WG

Fujitsu

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

15 V

FLAT

RECTANGULAR

DEPLETION MODE

1

C BAND

2

FLANGE MOUNT

Other Transistors

JUNCTION

3.75 W

175 Cel

GALLIUM ARSENIDE

DUAL

R-CDFM-F2

SOURCE

Not Qualified

HIGH RELIABILITY

BF512,215

NXP Semiconductors

N-CHANNEL

SINGLE

YES

.25 W

PLASTIC/EPOXY

AMPLIFIER

20 V

GULL WING

RECTANGULAR

DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

3

SMALL OUTLINE

Other Transistors

JUNCTION

150 Cel

SILICON

TIN

.03 A

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

e3

30

260

.4 pF

FHX35X

Fujitsu

N-CHANNEL

SINGLE

YES

UNSPECIFIED

AMPLIFIER

4 V

8.5 dB

NO LEAD

RECTANGULAR

DEPLETION MODE

1

KU BAND

4

UNCASED CHIP

FET RF Small Signal

HIGH ELECTRON MOBILITY

.29 W

175 Cel

GALLIUM ARSENIDE

UPPER

R-XUUC-N4

Not Qualified

HIGH RELIABILITY, LOW NOISE

ATF-58143-BLKG

Broadcom

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

5 V

15 dB

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

C BAND

4

SMALL OUTLINE

FET RF Small Signals

HIGH ELECTRON MOBILITY

.5 W

150 Cel

SILICON

MATTE TIN

.1 A

DUAL

R-PDSO-G4

1

SOURCE

Not Qualified

e3

20

260

BF991

NXP Semiconductors

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

.2 W

PLASTIC/EPOXY

AMPLIFIER

20 V

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

.02 A

4

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

Tin (Sn)

.02 A

DUAL

R-PDSO-G4

1

SOURCE

Not Qualified

e3

30

260

MRF966

Motorola

N-CHANNEL

SINGLE

YES

.35 W

PLASTIC/EPOXY

AMPLIFIER

10 V

FLAT

ROUND

DUAL GATE, DEPLETION MODE

1

ULTRA HIGH FREQUENCY BAND

.08 A

4

DISK BUTTON

FET General Purpose Power

METAL SEMICONDUCTOR

125 Cel

GALLIUM ARSENIDE

Tin/Lead (Sn/Pb)

.08 A

RADIAL

O-PRDB-F4

Not Qualified

e0

ATF-36077-STR

Broadcom

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

3 V

11 dB

FLAT

ROUND

DEPLETION MODE

1

X BAND

4

DISK BUTTON

FET RF Small Signal

HIGH ELECTRON MOBILITY

.18 W

150 Cel

GALLIUM ARSENIDE

GOLD

RADIAL

O-CRDB-F4

1

SOURCE

Not Qualified

LOW NOISE

e4

260

ATF-58143-TR2G

Broadcom

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

5 V

15 dB

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

C BAND

4

SMALL OUTLINE

FET RF Small Signals

HIGH ELECTRON MOBILITY

.5 W

150 Cel

SILICON

MATTE TIN

.1 A

DUAL

R-PDSO-G4

1

SOURCE

Not Qualified

e3

20

260

FLC301XP

Fujitsu

N-CHANNEL

SINGLE

YES

UNSPECIFIED

NO LEAD

RECTANGULAR

DEPLETION MODE

1

S BAND

12

UNCASED CHIP

HIGH ELECTRON MOBILITY

GALLIUM ARSENIDE

UPPER

R-XUUC-N12

Not Qualified

FLU17XM

Fujitsu

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

15 V

FLAT

RECTANGULAR

DEPLETION MODE

1

L BAND

4

MICROWAVE

Other Transistors

JUNCTION

7.5 W

175 Cel

GALLIUM ARSENIDE

QUAD

R-CQMW-F4

SOURCE

Not Qualified

HIGH RELIABILITY

FSX017LG

Fujitsu

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

8 V

FLAT

UNSPECIFIED

DEPLETION MODE

1

X BAND

4

DISK BUTTON

Other Transistors

JUNCTION

.22 W

175 Cel

GALLIUM ARSENIDE

UNSPECIFIED

X-CXDB-F4

SOURCE

Not Qualified

HIGH RELIABILITY

CPH6904-TL-E

Onsemi

N-CHANNEL

YES

.7 W

FET General Purpose Small Signals

JUNCTION

150 Cel

TIN BISMUTH

1

e6

30

260

TGF1350-SCC

Texas Instruments

YES

UNSPECIFIED

8 V

2.5 dB

NO LEAD

RECTANGULAR

DEPLETION MODE

KU BAND

6

UNCASED CHIP

JUNCTION

GALLIUM ARSENIDE

UPPER

R-XUUC-N6

Not Qualified

LOW NOISE, HIGH RELIABILITY

TGF1350XPCX

Texas Instruments

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

8 V

8 dB

FLAT

ROUND

DEPLETION MODE

1

KU BAND

.1 A

4

DISK BUTTON

Other Transistors

JUNCTION

.7 W

150 Cel

GALLIUM ARSENIDE

.1 A

RADIAL

O-CRDB-F4

SOURCE

Not Qualified

TGF4250-SCC

Texas Instruments

YES

UNSPECIFIED

6 V

NO LEAD

RECTANGULAR

DEPLETION MODE

KU BAND

4

UNCASED CHIP

HETERO-JUNCTION

GALLIUM ARSENIDE

UPPER

R-XUUC-N4

Not Qualified

TGF1350SPCX

Texas Instruments

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

8 V

8 dB

FLAT

ROUND

DEPLETION MODE

1

KU BAND

.1 A

4

DISK BUTTON

Other Transistors

JUNCTION

.7 W

150 Cel

GALLIUM ARSENIDE

.1 A

RADIAL

O-CRDB-F4

SOURCE

Not Qualified

TGF1350XPMX

Texas Instruments

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

8 V

8 dB

FLAT

ROUND

DEPLETION MODE

1

KU BAND

.1 A

4

DISK BUTTON

Other Transistors

JUNCTION

.7 W

150 Cel

GALLIUM ARSENIDE

.1 A

RADIAL

O-CRDB-F4

SOURCE

Not Qualified

TGF1350SPMX

Texas Instruments

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

8 V

8 dB

FLAT

ROUND

DEPLETION MODE

1

KU BAND

.1 A

4

DISK BUTTON

Other Transistors

JUNCTION

.7 W

150 Cel

GALLIUM ARSENIDE

.1 A

RADIAL

O-CRDB-F4

SOURCE

Not Qualified

MMBFU310LT1

Onsemi

N-CHANNEL

SINGLE

YES

.225 W

PLASTIC/EPOXY

AMPLIFIER

25 V

GULL WING

RECTANGULAR

DEPLETION MODE

1

ULTRA HIGH FREQUENCY BAND

3

SMALL OUTLINE

Other Transistors

JUNCTION

150 Cel

SILICON

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e0

30

235

2.5 pF

MMBFJ309LT1

Onsemi

N-CHANNEL

SINGLE

YES

.225 W

PLASTIC/EPOXY

AMPLIFIER

25 V

GULL WING

RECTANGULAR

DEPLETION MODE

1

ULTRA HIGH FREQUENCY BAND

3

SMALL OUTLINE

Other Transistors

JUNCTION

150 Cel

SILICON

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e0

30

235

2.5 pF

MMBFU310LT3

Onsemi

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

25 V

GULL WING

RECTANGULAR

DEPLETION MODE

1

3

SMALL OUTLINE

JUNCTION

150 Cel

SILICON

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

TO-236AB

e0

2.5 pF

MMBF5486D87Z

Onsemi

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

DEPLETION MODE

1

ULTRA HIGH FREQUENCY BAND

3

SMALL OUTLINE

JUNCTION

150 Cel

SILICON

DUAL

R-PDSO-G3

Not Qualified

1 pF

MMBF5484LT3

Onsemi

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

DEPLETION MODE

1

3

SMALL OUTLINE

JUNCTION

.225 W

150 Cel

SILICON

-55 Cel

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

TO-236AB

e0

1 pF

MMBFJ309

Onsemi

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

25 V

GULL WING

RECTANGULAR

DEPLETION MODE

1

ULTRA HIGH FREQUENCY BAND

3

SMALL OUTLINE

Other Transistors

JUNCTION

150 Cel

SILICON

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

2.5 pF

STD6N10LT4

STMicroelectronics

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

35 W

PLASTIC/EPOXY

SWITCHING

100 V

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

6 A

2

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

175 Cel

SILICON

MATTE TIN

6 A

SINGLE

R-PSSO-G2

DRAIN

Not Qualified

TO-252

e3

60 pF

PD57002

STMicroelectronics

N-CHANNEL

SINGLE

YES

4.75 W

PLASTIC/EPOXY

AMPLIFIER

65 V

15 dB

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

ULTRA HIGH FREQUENCY BAND

.25 A

2

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

165 Cel

SILICON

TIN LEAD

.25 A

DUAL

R-PDSO-G2

SOURCE

Not Qualified

HIGH RELIABILITY

e0

PD57002-E

STMicroelectronics

N-CHANNEL

SINGLE

YES

4.75 W

PLASTIC/EPOXY

AMPLIFIER

65 V

15 dB

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

ULTRA HIGH FREQUENCY BAND

.25 A

2

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

165 Cel

SILICON

Matte Tin (Sn) - annealed

.25 A

DUAL

R-PDSO-G2

3

SOURCE

Not Qualified

HIGH RELIABILITY

e3

30

250

PD57002S-E

STMicroelectronics

N-CHANNEL

SINGLE

YES

4.75 W

PLASTIC/EPOXY

AMPLIFIER

65 V

15 dB

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

ULTRA HIGH FREQUENCY BAND

.25 A

2

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

165 Cel

SILICON

.25 A

DUAL

R-PDSO-F2

SOURCE

Not Qualified

HIGH RELIABILITY

NOT SPECIFIED

NOT SPECIFIED

PD57002S

STMicroelectronics

N-CHANNEL

SINGLE

YES

4.75 W

PLASTIC/EPOXY

AMPLIFIER

65 V

15 dB

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

ULTRA HIGH FREQUENCY BAND

.25 A

2

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

165 Cel

SILICON

TIN LEAD

.25 A

DUAL

R-PDSO-F2

SOURCE

Not Qualified

HIGH RELIABILITY

e0

BF1108R,215

NXP Semiconductors

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

PLASTIC/EPOXY

SWITCHING

3 V

GULL WING

RECTANGULAR

DEPLETION MODE

1

ULTRA HIGH FREQUENCY BAND

.01 A

4

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

TIN

.01 A

DUAL

R-PDSO-G4

1

GATE

Not Qualified

e3

30

260

BF904-T

NXP Semiconductors

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

PLASTIC/EPOXY

AMPLIFIER

7 V

GULL WING

RECTANGULAR

DUAL GATE, ENHANCEMENT MODE

1

ULTRA HIGH FREQUENCY BAND

4

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

.03 A

DUAL

R-PDSO-G4

SOURCE

Not Qualified

LOW NOISE

.035 pF

BF982

NXP Semiconductors

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

PLASTIC/EPOXY

AMPLIFIER

20 V

FLAT

ROUND

DUAL GATE, DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

4

DISK BUTTON

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

.04 A

RADIAL

O-PRDB-F4

Not Qualified

BF904R-TAPE-7

NXP Semiconductors

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

PLASTIC/EPOXY

AMPLIFIER

7 V

GULL WING

RECTANGULAR

DUAL GATE, ENHANCEMENT MODE

1

ULTRA HIGH FREQUENCY BAND

4

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

.03 A

DUAL

R-PDSO-G4

SOURCE

Not Qualified

LOW NOISE

.035 pF

BF1107TRL

NXP Semiconductors

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

SWITCHING

3 V

GULL WING

RECTANGULAR

DEPLETION MODE

1

3

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

TIN

.01 A

DUAL

R-PDSO-G3

Not Qualified

e3

BF556CT/R

NXP Semiconductors

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

SWITCHING

30 V

GULL WING

RECTANGULAR

DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

3

SMALL OUTLINE

JUNCTION

150 Cel

SILICON

TIN

DUAL

R-PDSO-G3

Not Qualified

TO-236AB

e3

BF901TRL13

NXP Semiconductors

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

PLASTIC/EPOXY

AMPLIFIER

12 V

GULL WING

RECTANGULAR

DUAL GATE, ENHANCEMENT MODE

1

ULTRA HIGH FREQUENCY BAND

4

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

SILICON

.03 A

DUAL

R-PDSO-G4

SOURCE

Not Qualified

RF Small Signal Field Effect Transistors (FET)

RF Small Signal Bipolar Junction Transistors (BJT) are electronic devices used in low-power RF (radio frequency) applications to amplify and control small signals. They are commonly used in applications such as wireless communication, GPS, and radio broadcasting.

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

The RF Small Signal BJT consists of an emitter, base, and collector region, and works by controlling the flow of majority charge carriers (electrons or holes) between the emitter and collector through the base region. When a voltage is applied to the base-emitter junction, a small current flows through the base, allowing a larger current to flow from the emitter to the collector.

RF Small Signal Field Effect Transistors (FET) are electronic devices used in low-power RF (radio frequency) applications to amplify and control small signals. They are commonly used in applications such as wireless communication, GPS, and radio broadcasting.

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

The RF 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.