Toshiba RF Small Signal Field Effect Transistors (FET) 261

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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

2SK302-GR(TE85L,F)

Toshiba

3SK258TE85L

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

13.5 V

23 dB

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

4

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

125 Cel

SILICON

TIN LEAD

.03 A

DUAL

R-PDSO-G4

Not Qualified

e0

.03 pF

3SK199TE85L

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

13.5 V

18 dB

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

ULTRA HIGH FREQUENCY BAND

4

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

125 Cel

SILICON

TIN LEAD

.03 A

DUAL

R-PDSO-G4

SOURCE

Not Qualified

e0

.03 pF

3SK160-O

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

13.5 V

14.5 dB

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

4

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

125 Cel

SILICON

.03 A

DUAL

R-PDSO-G4

SOURCE

Not Qualified

.05 pF

2SK192A-BL

Toshiba

N-CHANNEL

SINGLE

NO

.2 W

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

3

IN-LINE

Other Transistors

JUNCTION

125 Cel

SILICON

TIN LEAD

SINGLE

R-PSIP-T3

Not Qualified

e0

.65 pF

2SK211-YTE85L

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

3

SMALL OUTLINE

JUNCTION

125 Cel

SILICON

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

CASCODE J-FET

TO-236

e0

.15 pF

2SK881TE85R

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

10 dB

GULL WING

RECTANGULAR

DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

3

SMALL OUTLINE

JUNCTION

125 Cel

SILICON

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

CASCODE J-FET

e0

.15 pF

3SK283TE85R

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

15 dB

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

ULTRA HIGH FREQUENCY BAND

4

SMALL OUTLINE

METAL SEMICONDUCTOR

125 Cel

GALLIUM ARSENIDE

TIN LEAD

.02 A

DUAL

R-PDSO-G4

SOURCE

Not Qualified

e0

.03 pF

2SK192A-GRTPE4

Toshiba

N-CHANNEL

SINGLE

NO

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

3

IN-LINE

JUNCTION

125 Cel

SILICON

SINGLE

R-PSIP-T3

Not Qualified

.65 pF

2SK1771

Toshiba

N-CHANNEL

SINGLE

YES

.15 W

PLASTIC/EPOXY

AMPLIFIER

12.5 V

18 dB

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

VERY HIGH FREQUENCY BAND

.03 A

4

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

125 Cel

SILICON

TIN LEAD

.03 A

DUAL

R-PDSO-G4

SOURCE

Not Qualified

LOW NOISE

e0

.8 pF

3SK127-OTE85L

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

15 V

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

ULTRA HIGH FREQUENCY BAND

4

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

125 Cel

SILICON

TIN LEAD

.03 A

DUAL

R-PDSO-G4

SOURCE

Not Qualified

e0

.03 pF

2SK210-GRTE85L

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

3

SMALL OUTLINE

JUNCTION

125 Cel

SILICON

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

TO-236

e0

.65 pF

2SK241-GR

Toshiba

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

NO

.2 W

PLASTIC/EPOXY

AMPLIFIER

20 V

THROUGH-HOLE

RECTANGULAR

DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

.03 A

3

IN-LINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

125 Cel

SILICON

TIN LEAD

.03 A

SINGLE

R-PSIP-T3

Not Qualified

e0

.05 pF

3SK207

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

13.5 V

18 dB

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

ULTRA HIGH FREQUENCY BAND

.03 A

4

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

125 Cel

SILICON

TIN LEAD

.03 A

DUAL

R-PDSO-G4

SOURCE

Not Qualified

LOW NOISE

e0

.03 pF

3SK151TE85L

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

15 V

21 dB

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

4

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

125 Cel

SILICON

TIN LEAD

.03 A

DUAL

R-PDSO-G4

SOURCE

Not Qualified

e0

.04 pF

2SK882-GRTE85L

Toshiba

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

PLASTIC/EPOXY

AMPLIFIER

20 V

20 dB

GULL WING

RECTANGULAR

DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

3

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

125 Cel

SILICON

TIN LEAD

.03 A

DUAL

R-PDSO-G3

Not Qualified

CASCODE MOS

e0

.04 pF

JS8851-AS

Toshiba

AMPLIFIER

15 V

DEPLETION MODE

KU BAND

8

DIE

JUNCTION

GALLIUM ARSENIDE

TIN LEAD

.25 A

DIE-8

Not Qualified

e0

240

TA4007F

Toshiba

N-CHANNEL

SINGLE WITH BUILT-IN RESISTOR

YES

PLASTIC/EPOXY

AMPLIFIER

24 dB

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

5

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

.25 W

85 Cel

SILICON

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G5

Not Qualified

e0

3SK250TE85R

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

15 dB

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

ULTRA HIGH FREQUENCY BAND

4

SMALL OUTLINE

METAL SEMICONDUCTOR

125 Cel

GALLIUM ARSENIDE

DUAL

R-PDSO-G4

SOURCE

Not Qualified

.03 pF

3SK151TE85R

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

15 V

21 dB

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

4

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

125 Cel

SILICON

TIN LEAD

.03 A

DUAL

R-PDSO-G4

SOURCE

Not Qualified

e0

.04 pF

3SK127-Y

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

15 V

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

ULTRA HIGH FREQUENCY BAND

4

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

125 Cel

SILICON

TIN LEAD

.03 A

DUAL

R-PDSO-G4

SOURCE

Not Qualified

e0

.03 pF

2SK3077

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

10 V

15 dB

GULL WING

RECTANGULAR

ENHANCEMENT MODE

1

ULTRA HIGH FREQUENCY BAND

.1 A

4

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

SILICON

.1 A

DUAL

R-PDSO-G4

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2SK241

Toshiba

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

NO

.2 W

PLASTIC/EPOXY

AMPLIFIER

20 V

THROUGH-HOLE

RECTANGULAR

DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

.03 A

3

IN-LINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

125 Cel

SILICON

Tin/Lead (Sn/Pb)

.03 A

SINGLE

R-PSIP-T3

Not Qualified

e0

.05 pF

2SK3078

Toshiba

N-CHANNEL

SINGLE

YES

3 W

PLASTIC/EPOXY

AMPLIFIER

10 V

12.5 dB

FLAT

RECTANGULAR

DEPLETION MODE

1

ULTRA HIGH FREQUENCY BAND

.5 A

3

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

.5 A

SINGLE

R-PSSO-F3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

3SK240TE85R

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

17 dB

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

ULTRA HIGH FREQUENCY BAND

4

SMALL OUTLINE

METAL SEMICONDUCTOR

125 Cel

GALLIUM ARSENIDE

.025 A

DUAL

R-PDSO-G4

SOURCE

Not Qualified

.03 pF

3SK151-GRTE85L

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

15 V

21 dB

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

4

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

125 Cel

SILICON

TIN LEAD

.03 A

DUAL

R-PDSO-G4

SOURCE

Not Qualified

e0

.04 pF

2SK882-YTE85L

Toshiba

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

YES

PLASTIC/EPOXY

AMPLIFIER

20 V

20 dB

GULL WING

RECTANGULAR

DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

3

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

125 Cel

SILICON

TIN LEAD

.03 A

DUAL

R-PDSO-G3

Not Qualified

CASCODE MOS

e0

.04 pF

3SK257TE85L

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

13.5 V

19 dB

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

ULTRA HIGH FREQUENCY BAND

4

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

125 Cel

SILICON

TIN LEAD

.03 A

DUAL

R-PDSO-G4

Not Qualified

e0

.05 pF

3SK274TE85R

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

17 dB

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

ULTRA HIGH FREQUENCY BAND

4

SMALL OUTLINE

METAL SEMICONDUCTOR

125 Cel

GALLIUM ARSENIDE

.025 A

DUAL

R-PDSO-G4

Not Qualified

.03 pF

S8851

Toshiba

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

15 V

FLAT

RECTANGULAR

DEPLETION MODE

1

KU BAND

2

FLANGE MOUNT

JUNCTION

GALLIUM ARSENIDE

.25 A

DUAL

R-CDFM-F2

SOURCE

Not Qualified

2SK210-GRTE85R

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

3

SMALL OUTLINE

JUNCTION

125 Cel

SILICON

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

TO-236

e0

.65 pF

3SK283

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

15 dB

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

ULTRA HIGH FREQUENCY BAND

4

SMALL OUTLINE

FET RF Small Signal

METAL SEMICONDUCTOR

.15 W

125 Cel

GALLIUM ARSENIDE

TIN LEAD

DUAL

R-PDSO-G4

SOURCE

Not Qualified

e0

.03 pF

2SK211-OTE85L

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

3

SMALL OUTLINE

JUNCTION

125 Cel

SILICON

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

CASCODE J-FET

TO-236

e0

.15 pF

2SK881-O

Toshiba

N-CHANNEL

SINGLE

YES

.1 W

PLASTIC/EPOXY

AMPLIFIER

10 dB

GULL WING

RECTANGULAR

DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

3

SMALL OUTLINE

Other Transistors

JUNCTION

125 Cel

SILICON

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

LOW NOISE

e0

.15 pF

2SK3475

Toshiba

N-CHANNEL

SINGLE

YES

3 W

PLASTIC/EPOXY

AMPLIFIER

20 V

14.9 dB

FLAT

RECTANGULAR

ENHANCEMENT MODE

1

ULTRA HIGH FREQUENCY BAND

1 A

3

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

1 A

SINGLE

R-PSSO-F3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

3SK126-OTE85R

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

15 V

20 dB

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

4

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

125 Cel

SILICON

TIN LEAD

.03 A

DUAL

R-PDSO-G4

SOURCE

Not Qualified

e0

.05 pF

3SK249TE85R

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

12.5 V

18 dB

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

ULTRA HIGH FREQUENCY BAND

4

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

125 Cel

SILICON

TIN LEAD

.03 A

DUAL

R-PDSO-G4

Not Qualified

e0

.04 pF

TA4006F-GR

Toshiba

N-CHANNEL

SINGLE WITH BUILT-IN RESISTOR

YES

PLASTIC/EPOXY

AMPLIFIER

19 dB

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

ULTRA HIGH FREQUENCY BAND

5

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

.25 W

85 Cel

SILICON

DUAL

R-PDSO-G5

Not Qualified

3SK153-O

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

13.5 V

14 dB

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

ULTRA HIGH FREQUENCY BAND

4

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

125 Cel

SILICON

.03 A

DUAL

R-PDSO-G4

SOURCE

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

.05 pF

S9G66A

Toshiba

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

15 V

FLAT

RECTANGULAR

DEPLETION MODE

1

S BAND

1.4 A

2

FLANGE MOUNT

JUNCTION

175 Cel

SILICON

1.4 A

DUAL

R-CDFM-F2

SOURCE

Not Qualified

S8836B

Toshiba

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

15 V

FLAT

RECTANGULAR

DEPLETION MODE

1

C BAND

2

FLANGE MOUNT

JUNCTION

GALLIUM ARSENIDE

.7 A

DUAL

R-CDFM-F2

SOURCE

Not Qualified

2SK2332TE12L

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

10 dB

GULL WING

RECTANGULAR

DEPLETION MODE

1

X BAND

4

SMALL OUTLINE

JUNCTION

125 Cel

GALLIUM ARSENIDE

TIN LEAD

.08 A

QUAD

R-PQSO-G4

SOURCE

Not Qualified

LOW NOISE

e0

TG2000F

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

15 dB

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

ULTRA HIGH FREQUENCY BAND

5

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

85 Cel

GALLIUM ARSENIDE

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G5

Not Qualified

e0

3SK293

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

12.5 V

20 dB

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

ULTRA HIGH FREQUENCY BAND

.03 A

4

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

125 Cel

SILICON

.03 A

DUAL

R-PDSO-G4

Not Qualified

LOW NOISE

NOT SPECIFIED

NOT SPECIFIED

.04 pF

2SK2331TE12R

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

10 dB

GULL WING

RECTANGULAR

DEPLETION MODE

1

X BAND

4

SMALL OUTLINE

JUNCTION

125 Cel

GALLIUM ARSENIDE

TIN LEAD

.12 A

QUAD

R-PQSO-G4

SOURCE

Not Qualified

LOW NOISE

e0

2SK881TE85L

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

10 dB

GULL WING

RECTANGULAR

DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

3

SMALL OUTLINE

JUNCTION

125 Cel

SILICON

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

CASCODE J-FET

e0

.15 pF

2SK241-O

Toshiba

N-CHANNEL

SINGLE WITH BUILT-IN DIODE

NO

.2 W

PLASTIC/EPOXY

AMPLIFIER

20 V

THROUGH-HOLE

RECTANGULAR

DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

.03 A

3

IN-LINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

125 Cel

SILICON

TIN LEAD

.03 A

SINGLE

R-PSIP-T3

Not Qualified

e0

.05 pF

3SK195

Toshiba

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

13.5 V

22 dB

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

.03 A

4

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

125 Cel

SILICON

Tin/Lead (Sn/Pb)

.03 A

DUAL

R-PDSO-G4

SOURCE

Not Qualified

e0

.03 pF

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.