Infineon Technologies RF Small Signal Field Effect Transistors (FET) 305

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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

CFY67-10H

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

3.5 V

10.5 dB

FLAT

ROUND

DEPLETION MODE

1

K BAND

.06 A

4

DISK BUTTON

FET RF Small Signal

HIGH ELECTRON MOBILITY

.2 W

150 Cel

Al/In GALLIUM ARSENIDE

MATTE TIN

.06 A

RADIAL

O-CRDB-F4

SOURCE

Not Qualified

HIGH RELIABILITY

e3

CFY27-38P

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

9 V

7.5 dB

FLAT

ROUND

DEPLETION MODE

1

KU BAND

.42 A

4

DISK BUTTON

Other Transistors

METAL SEMICONDUCTOR

.9 W

175 Cel

GALLIUM ARSENIDE

MATTE TIN

.42 A

RADIAL

O-CRDB-F4

SOURCE

Not Qualified

e3

CF739E6327

Infineon Technologies

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

10 V

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

L BAND

4

SMALL OUTLINE

METAL SEMICONDUCTOR

GALLIUM ARSENIDE

.08 A

DUAL

R-PDSO-G4

SOURCE

Not Qualified

LOW NOISE

CFY25-23PS

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

5 V

8 dB

FLAT

ROUND

DEPLETION MODE

1

X BAND

.08 A

4

DISK BUTTON

Other Transistors

METAL SEMICONDUCTOR

.25 W

175 Cel

GALLIUM ARSENIDE

MATTE TIN

.08 A

RADIAL

O-CRDB-F4

SOURCE

Not Qualified

LOW NOISE

e3

CFY67-06S

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

3.5 V

11.5 dB

FLAT

ROUND

DEPLETION MODE

1

K BAND

.06 A

4

DISK BUTTON

FET RF Small Signal

HIGH ELECTRON MOBILITY

.2 W

150 Cel

GALLIUM ARSENIDE

MATTE TIN

.06 A

RADIAL

O-CRDB-F4

SOURCE

Not Qualified

LOW NOISE

e3

ESA/SCC 5613/004

CFY66-10PH

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

3.5 V

9.5 dB

FLAT

ROUND

DEPLETION MODE

1

K BAND

.06 A

4

DISK BUTTON

FET RF Small Signal

HIGH ELECTRON MOBILITY

.2 W

150 Cel

GALLIUM ARSENIDE

MATTE TIN

.06 A

RADIAL

O-CRDB-F4

SOURCE

Not Qualified

LOW NOISE

e3

ESA/SCC 5613/002

CLX27-10

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

11 V

18 dB

FLAT

RECTANGULAR

DEPLETION MODE

1

X BAND

2

FLANGE MOUNT

METAL SEMICONDUCTOR

GALLIUM ARSENIDE

.42 A

DUAL

R-CDFM-F2

SOURCE

Not Qualified

CLX34-00ES

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

11 V

13.5 dB

FLAT

RECTANGULAR

DEPLETION MODE

1

X BAND

2 A

2

FLANGE MOUNT

Other Transistors

METAL SEMICONDUCTOR

5.4 W

175 Cel

GALLIUM ARSENIDE

MATTE TIN

2 A

DUAL

R-CDFM-F2

SOURCE

Not Qualified

e3

CLX30-00H

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

11 V

16.5 dB

FLAT

RECTANGULAR

DEPLETION MODE

1

KU BAND

.84 A

2

FLANGE MOUNT

Other Transistors

METAL SEMICONDUCTOR

5.4 W

175 Cel

GALLIUM ARSENIDE

MATTE TIN

.84 A

DUAL

R-CDFM-F2

SOURCE

Not Qualified

e3

CFY67-08

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

3.5 V

11 dB

FLAT

ROUND

DEPLETION MODE

1

K BAND

4

DISK BUTTON

HIGH ELECTRON MOBILITY

150 Cel

GALLIUM ARSENIDE

MATTE TIN

.06 A

RADIAL

O-CRDB-F4

SOURCE

Not Qualified

e3

CLY29-00H

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

14 V

13.5 dB

FLAT

RECTANGULAR

DEPLETION MODE

1

C BAND

.7 A

2

FLANGE MOUNT

Other Transistors

METAL SEMICONDUCTOR

175 Cel

GALLIUM ARSENIDE

MATTE TIN

.7 A

DUAL

R-CDFM-F2

SOURCE

Not Qualified

e3

BF1009E6327

Infineon Technologies

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

16 V

GULL WING

RECTANGULAR

DUAL GATE, ENHANCEMENT MODE

1

ULTRA HIGH FREQUENCY BAND

4

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

SILICON

MATTE TIN

.025 A

DUAL

R-PDSO-G4

SOURCE

Not Qualified

LOW NOISE

e3

CFY25-20PP

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

5 V

8.5 dB

FLAT

ROUND

DEPLETION MODE

1

X BAND

.08 A

4

DISK BUTTON

Other Transistors

METAL SEMICONDUCTOR

.25 W

175 Cel

GALLIUM ARSENIDE

MATTE TIN

.08 A

RADIAL

O-CRDB-F4

SOURCE

Not Qualified

LOW NOISE

e3

CFY66-08PP

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

3.5 V

10 dB

FLAT

ROUND

DEPLETION MODE

1

K BAND

.06 A

4

DISK BUTTON

FET RF Small Signal

HIGH ELECTRON MOBILITY

.2 W

150 Cel

GALLIUM ARSENIDE

MATTE TIN

.06 A

RADIAL

O-CRDB-F4

SOURCE

Not Qualified

LOW NOISE

e3

ESA/SCC 5613/002

CLX27-10P

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

11 V

18 dB

FLAT

RECTANGULAR

DEPLETION MODE

1

X BAND

.42 A

2

FLANGE MOUNT

Other Transistors

METAL SEMICONDUCTOR

3.38 W

175 Cel

GALLIUM ARSENIDE

MATTE TIN

.42 A

DUAL

R-CDFM-F2

SOURCE

Not Qualified

e3

CFH120-10

Infineon Technologies

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

3 V

10.5 dB

GULL WING

RECTANGULAR

DEPLETION MODE

1

K BAND

.04 A

4

SMALL OUTLINE

FET RF Small Signal

HIGH ELECTRON MOBILITY

.18 W

150 Cel

GALLIUM ARSENIDE

MATTE TIN

.04 A

DUAL

R-PDSO-G4

Not Qualified

LOW NOISE

e3

CLX27-05S

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

11 V

18 dB

FLAT

RECTANGULAR

DEPLETION MODE

1

X BAND

.42 A

2

FLANGE MOUNT

Other Transistors

METAL SEMICONDUCTOR

3.38 W

175 Cel

GALLIUM ARSENIDE

MATTE TIN

.42 A

DUAL

R-CDFM-F2

SOURCE

Not Qualified

e3

CFY66-10PP

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

3.5 V

9.5 dB

FLAT

ROUND

DEPLETION MODE

1

K BAND

.06 A

4

DISK BUTTON

FET RF Small Signal

HIGH ELECTRON MOBILITY

.2 W

150 Cel

GALLIUM ARSENIDE

MATTE TIN

.06 A

RADIAL

O-CRDB-F4

SOURCE

Not Qualified

LOW NOISE

e3

ESA/SCC 5613/002

CLX34-05H

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

11 V

14 dB

FLAT

RECTANGULAR

DEPLETION MODE

1

X BAND

2 A

2

FLANGE MOUNT

Other Transistors

METAL SEMICONDUCTOR

5.4 W

175 Cel

GALLIUM ARSENIDE

MATTE TIN

2 A

DUAL

R-CDFM-F2

SOURCE

Not Qualified

e3

BG3230R

Infineon Technologies

N-CHANNEL

SINGLE

YES

.16 W

PLASTIC/EPOXY

AMPLIFIER

12 V

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

2

ULTRA HIGH FREQUENCY BAND

.025 A

6

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

150 Cel

SILICON

.025 A

DUAL

R-PDSO-G6

1

Not Qualified

LOW NOISE

CFY67-06ES

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

3.5 V

11.5 dB

FLAT

ROUND

DEPLETION MODE

1

K BAND

.06 A

4

DISK BUTTON

FET RF Small Signal

HIGH ELECTRON MOBILITY

.2 W

150 Cel

GALLIUM ARSENIDE

MATTE TIN

.06 A

RADIAL

O-CRDB-F4

SOURCE

Not Qualified

LOW NOISE

e3

ESA/SCC 5613/004

CLX27-00P

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

11 V

17.5 dB

FLAT

RECTANGULAR

DEPLETION MODE

1

X BAND

.42 A

2

FLANGE MOUNT

Other Transistors

METAL SEMICONDUCTOR

3.38 W

175 Cel

GALLIUM ARSENIDE

MATTE TIN

.42 A

DUAL

R-CDFM-F2

SOURCE

Not Qualified

e3

CFY25-23H

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

5 V

8 dB

FLAT

ROUND

DEPLETION MODE

1

X BAND

.08 A

4

DISK BUTTON

Other Transistors

METAL SEMICONDUCTOR

.25 W

175 Cel

GALLIUM ARSENIDE

MATTE TIN

.08 A

RADIAL

O-CRDB-F4

SOURCE

Not Qualified

LOW NOISE

e3

CLY32-05H

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

14 V

11.5 dB

FLAT

RECTANGULAR

DEPLETION MODE

1

C BAND

1.4 A

2

FLANGE MOUNT

Other Transistors

METAL SEMICONDUCTOR

6.75 W

175 Cel

GALLIUM ARSENIDE

MATTE TIN

1.4 A

DUAL

R-CDFM-F2

SOURCE

Not Qualified

e3

ESA/SCC 5614/006

CFY6710PESZZZA1

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

3.5 V

10.5 dB

FLAT

ROUND

DEPLETION MODE

1

K BAND

4

DISK BUTTON

HIGH ELECTRON MOBILITY

.2 W

150 Cel

Al/In GALLIUM ARSENIDE

.06 A

RADIAL

O-CRDB-F4

SOURCE

ESA/SCC 5613/004

CFY75-15

Infineon Technologies

N-CHANNEL

.07 A

FET RF Small Signal

.18 W

150 Cel

.07 A

CFY25-23PP

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

5 V

8 dB

FLAT

ROUND

DEPLETION MODE

1

X BAND

.08 A

4

DISK BUTTON

Other Transistors

METAL SEMICONDUCTOR

.25 W

175 Cel

GALLIUM ARSENIDE

MATTE TIN

.08 A

RADIAL

O-CRDB-F4

SOURCE

Not Qualified

LOW NOISE

e3

CFY25-20ES

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

5 V

8.5 dB

FLAT

ROUND

DEPLETION MODE

1

X BAND

.08 A

4

DISK BUTTON

Other Transistors

METAL SEMICONDUCTOR

.25 W

175 Cel

GALLIUM ARSENIDE

MATTE TIN

.08 A

RADIAL

O-CRDB-F4

SOURCE

Not Qualified

LOW NOISE

e3

ESA-SCC-5613/008

PTVA047002EVV1XWSA1

Infineon Technologies

CLY5

Infineon Technologies

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

9 V

10.5 dB

GULL WING

RECTANGULAR

DEPLETION MODE

1

S BAND

4

SMALL OUTLINE

JUNCTION

GALLIUM ARSENIDE

MATTE TIN

1.2 A

DUAL

R-PDSO-G4

SOURCE

Not Qualified

e3

CFY76-08

Infineon Technologies

P-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

3.5 V

10.5 dB

GULL WING

RECTANGULAR

DEPLETION MODE

1

X BAND

4

SMALL OUTLINE

HIGH ELECTRON MOBILITY

GALLIUM ARSENIDE

MATTE TIN

.06 A

DUAL

R-PDSO-G4

GATE

Not Qualified

e3

CLY29-05H

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

14 V

14 dB

FLAT

RECTANGULAR

DEPLETION MODE

1

C BAND

.7 A

2

FLANGE MOUNT

Other Transistors

METAL SEMICONDUCTOR

175 Cel

GALLIUM ARSENIDE

MATTE TIN

.7 A

DUAL

R-CDFM-F2

SOURCE

Not Qualified

e3

CLX27-05

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

11 V

18 dB

FLAT

RECTANGULAR

DEPLETION MODE

1

X BAND

2

FLANGE MOUNT

METAL SEMICONDUCTOR

GALLIUM ARSENIDE

.42 A

DUAL

R-CDFM-F2

SOURCE

Not Qualified

CLY32-05S

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

14 V

11.5 dB

FLAT

RECTANGULAR

DEPLETION MODE

1

C BAND

1.4 A

2

FLANGE MOUNT

Other Transistors

METAL SEMICONDUCTOR

6.75 W

175 Cel

GALLIUM ARSENIDE

MATTE TIN

1.4 A

DUAL

R-CDFM-F2

SOURCE

Not Qualified

e3

ESA/SCC 5614/006

PTFA220081MV4

Infineon Technologies

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

AMPLIFIER

65 V

NO LEAD

RECTANGULAR

ENHANCEMENT MODE

1

S BAND

10

SMALL OUTLINE

FET General Purpose Power

METAL-OXIDE SEMICONDUCTOR

175 Cel

SILICON

DUAL

R-PDSO-N10

3

SOURCE

BF930

Infineon Technologies

N-CHANNEL

SINGLE

YES

PLASTIC/EPOXY

12 V

29 dB

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

1

VERY HIGH FREQUENCY BAND

4

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

SILICON

.04 A

DUAL

R-PDSO-G4

SOURCE

Not Qualified

CFY25-PP

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

5 V

8.5 dB

FLAT

ROUND

DEPLETION MODE

1

X BAND

.08 A

4

DISK BUTTON

Other Transistors

METAL SEMICONDUCTOR

.25 W

175 Cel

GALLIUM ARSENIDE

MATTE TIN

.08 A

RADIAL

O-CRDB-F4

SOURCE

Not Qualified

LOW NOISE

e3

CLX27-10H

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

11 V

18 dB

FLAT

RECTANGULAR

DEPLETION MODE

1

X BAND

.42 A

2

FLANGE MOUNT

Other Transistors

METAL SEMICONDUCTOR

3.38 W

175 Cel

GALLIUM ARSENIDE

MATTE TIN

.42 A

DUAL

R-CDFM-F2

SOURCE

Not Qualified

e3

CFY67-10PH

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

3.5 V

10.5 dB

FLAT

ROUND

DEPLETION MODE

1

K BAND

.06 A

4

DISK BUTTON

FET RF Small Signal

HIGH ELECTRON MOBILITY

.2 W

150 Cel

Al/In GALLIUM ARSENIDE

MATTE TIN

.06 A

RADIAL

O-CRDB-F4

SOURCE

Not Qualified

HIGH RELIABILITY

e3

CFY66-08ES

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

3.5 V

10 dB

FLAT

ROUND

DEPLETION MODE

1

K BAND

.06 A

4

DISK BUTTON

FET RF Small Signal

HIGH ELECTRON MOBILITY

.2 W

150 Cel

GALLIUM ARSENIDE

MATTE TIN

.06 A

RADIAL

O-CRDB-F4

SOURCE

Not Qualified

LOW NOISE

e3

ESA-SCC-5613/002

CLY29-05

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

14 V

14 dB

FLAT

RECTANGULAR

DEPLETION MODE

1

C BAND

2

FLANGE MOUNT

METAL SEMICONDUCTOR

175 Cel

GALLIUM ARSENIDE

.7 A

DUAL

R-CDFM-F2

SOURCE

Not Qualified

CLX34-10S

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

11 V

14 dB

FLAT

RECTANGULAR

DEPLETION MODE

1

X BAND

2 A

2

FLANGE MOUNT

Other Transistors

METAL SEMICONDUCTOR

5.4 W

175 Cel

GALLIUM ARSENIDE

MATTE TIN

2 A

DUAL

R-CDFM-F2

SOURCE

Not Qualified

e3

CFY25-20

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

5 V

FLAT

ROUND

DEPLETION MODE

1

X BAND

.08 A

4

DISK BUTTON

Other Transistors

METAL SEMICONDUCTOR

.25 W

175 Cel

GALLIUM ARSENIDE

.08 A

RADIAL

O-CRDB-F4

SOURCE

Not Qualified

LOW NOISE

BG3130RE6327HTSA1

Infineon Technologies

N-CHANNEL

YES

PLASTIC/EPOXY

AMPLIFIER

12 V

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

2

ULTRA HIGH FREQUENCY BAND

6

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

SILICON

.025 A

DUAL

R-PDSO-G6

LOW NOISE

CFY65-14

Infineon Technologies

N-CHANNEL

.07 A

FET RF Small Signal

.2 W

150 Cel

.07 A

BG3123H6327XTSA1

Infineon Technologies

N-CHANNEL

YES

PLASTIC/EPOXY

AMPLIFIER

12 V

GULL WING

RECTANGULAR

DUAL GATE, DEPLETION MODE

2

ULTRA HIGH FREQUENCY BAND

6

SMALL OUTLINE

METAL-OXIDE SEMICONDUCTOR

SILICON

.02 A

DUAL

R-PDSO-G6

LOW NOISE

CLY29-05P

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

14 V

14 dB

FLAT

RECTANGULAR

DEPLETION MODE

1

C BAND

.7 A

2

FLANGE MOUNT

Other Transistors

METAL SEMICONDUCTOR

175 Cel

GALLIUM ARSENIDE

MATTE TIN

.7 A

DUAL

R-CDFM-F2

SOURCE

Not Qualified

e3

CFY25-23PH

Infineon Technologies

N-CHANNEL

SINGLE

YES

CERAMIC, METAL-SEALED COFIRED

AMPLIFIER

5 V

8 dB

FLAT

ROUND

DEPLETION MODE

1

X BAND

.08 A

4

DISK BUTTON

Other Transistors

METAL SEMICONDUCTOR

.25 W

175 Cel

GALLIUM ARSENIDE

MATTE TIN

.08 A

RADIAL

O-CRDB-F4

SOURCE

Not Qualified

LOW NOISE

e3

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.