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 VCEsat | Minimum Power Gain (Gp) | Terminal Form | Package Shape | No. of Elements | Highest Frequency Band | No. of Terminals | Package Style (Meter) | Sub-Category | 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 | 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) | Reference Standard |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
STMicroelectronics |
NPN |
SINGLE |
NO |
3200 MHz |
4.9 W |
.3 A |
CERAMIC, METAL-SEALED COFIRED |
AMPLIFIER |
FLAT |
ROUND |
1 |
L BAND |
2 |
FLANGE MOUNT |
Other Transistors |
15 |
200 Cel |
3 pF |
SILICON |
20 V |
RADIAL |
O-CRFM-F2 |
EMITTER |
Not Qualified |
||||||||||||||||
STMicroelectronics |
NPN |
SINGLE |
NO |
.3 A |
CERAMIC, METAL-SEALED COFIRED |
AMPLIFIER |
FLAT |
ROUND |
1 |
S BAND |
2 |
FLANGE MOUNT |
Other Transistors |
30 |
200 Cel |
3.5 pF |
SILICON |
RADIAL |
O-CRFM-F2 |
BASE |
Not Qualified |
|||||||||||||||||||
STMicroelectronics |
NPN |
SINGLE |
YES |
.3 A |
UNSPECIFIED |
AMPLIFIER |
FLAT |
ROUND |
1 |
L BAND |
4 |
DISK BUTTON |
Other Transistors |
15 |
200 Cel |
SILICON |
20 V |
RADIAL |
O-XRDB-F4 |
EMITTER |
Not Qualified |
HIGH RELIABILITY |
||||||||||||||||||
STMicroelectronics |
NPN |
SINGLE |
NO |
3200 MHz |
.3 A |
CERAMIC, METAL-SEALED COFIRED |
AMPLIFIER |
FLAT |
ROUND |
1 |
L BAND |
4 |
POST/STUD MOUNT |
Other Transistors |
15 |
200 Cel |
3 pF |
SILICON |
20 V |
RADIAL |
O-CRPM-F4 |
Not Qualified |
||||||||||||||||||
STMicroelectronics |
NPN |
SINGLE |
NO |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
FLAT |
ROUND |
1 |
L BAND |
2 |
FLANGE MOUNT |
Other Transistors |
15 |
200 Cel |
SILICON |
20 V |
RADIAL |
O-PRFM-F2 |
EMITTER |
Not Qualified |
HIGH RELIABILITY |
||||||||||||||||||
|
NXP Semiconductors |
PNP |
SINGLE |
YES |
1000 MHz |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
GULL WING |
RECTANGULAR |
1 |
4 |
SMALL OUTLINE |
20 |
175 Cel |
1.6 pF |
SILICON |
TIN |
DUAL |
R-PDSO-G4 |
Not Qualified |
e3 |
||||||||||||||||||
NXP Semiconductors |
NPN |
SINGLE |
YES |
1000 MHz |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
GULL WING |
RECTANGULAR |
1 |
4 |
SMALL OUTLINE |
20 |
175 Cel |
1.8 pF |
SILICON |
65 V |
DUAL |
R-PDSO-G4 |
Not Qualified |
||||||||||||||||||||
NXP Semiconductors |
PNP |
SINGLE |
YES |
1300 MHz |
2 W |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
GULL WING |
RECTANGULAR |
1 |
4 |
SMALL OUTLINE |
Other Transistors |
20 |
175 Cel |
1.6 pF |
SILICON |
65 V |
SINGLE |
R-PSSO-G4 |
COLLECTOR |
Not Qualified |
HIGH RELIABILITY |
||||||||||||||||
NXP Semiconductors |
NPN |
SINGLE |
YES |
4000 MHz |
.3 A |
CERAMIC, METAL-SEALED COFIRED |
AMPLIFIER |
FLAT |
ROUND |
1 |
ULTRA HIGH FREQUENCY BAND |
4 |
DISK BUTTON |
4.5 W |
25 |
200 Cel |
SILICON |
18 V |
RADIAL |
O-CRDB-F4 |
Not Qualified |
WITH EMITTER BALLASTING RESISTORS, HIGH RELIABILITY |
||||||||||||||||||
NXP Semiconductors |
NPN |
SINGLE |
YES |
1200 MHz |
.3 A |
UNSPECIFIED |
NO LEAD |
SQUARE |
1 |
ULTRA HIGH FREQUENCY BAND |
2 |
UNCASED CHIP |
SILICON |
UPPER |
S-XUUC-N2 |
Not Qualified |
||||||||||||||||||||||||
NXP Semiconductors |
NPN |
SINGLE |
NO |
1400 MHz |
1 W |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
THROUGH-HOLE |
ROUND |
1 |
ULTRA HIGH FREQUENCY BAND |
3 |
CYLINDRICAL |
Other Transistors |
1 W |
20 |
150 Cel |
1.8 pF |
SILICON |
65 V |
BOTTOM |
O-PBCY-T3 |
Not Qualified |
HIGH RELIABILITY |
TO-92 |
CECC |
|||||||||||||
NXP Semiconductors |
PNP |
SINGLE |
NO |
1300 MHz |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
THROUGH-HOLE |
ROUND |
1 |
ULTRA HIGH FREQUENCY BAND |
3 |
CYLINDRICAL |
1 W |
20 |
150 Cel |
SILICON |
65 V |
BOTTOM |
O-PBCY-T3 |
Not Qualified |
TO-92 |
||||||||||||||||||
NXP Semiconductors |
PNP |
SINGLE WITH BUILT-IN RESISTOR |
NO |
1200 MHz |
.3 A |
METAL |
AMPLIFIER |
WIRE |
ROUND |
1 |
3 |
CYLINDRICAL |
SILICON |
95 V |
BOTTOM |
O-MBCY-W3 |
Not Qualified |
HIGH RELIABILITY, WITH EMITTER BALLASTING RESISTORS |
TO-39 |
|||||||||||||||||||||
NXP Semiconductors |
NPN |
SINGLE |
YES |
1400 MHz |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
GULL WING |
RECTANGULAR |
1 |
4 |
SMALL OUTLINE |
1.5 pF |
SILICON |
65 V |
SINGLE |
R-PSSO-G4 |
COLLECTOR |
Not Qualified |
HIGH RELIABILITY |
||||||||||||||||||||
NXP Semiconductors |
PNP |
SINGLE |
YES |
800 MHz |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
GULL WING |
RECTANGULAR |
1 |
4 |
SMALL OUTLINE |
20 |
175 Cel |
1.6 pF |
SILICON |
DUAL |
R-PDSO-G4 |
Not Qualified |
|||||||||||||||||||||
NXP Semiconductors |
NPN |
SINGLE |
YES |
1400 MHz |
.3 A |
CERAMIC, METAL-SEALED COFIRED |
FLAT |
ROUND |
1 |
ULTRA HIGH FREQUENCY BAND |
4 |
DISK BUTTON |
SILICON |
65 V |
RADIAL |
O-CRDB-F4 |
Not Qualified |
HIGH RELIABILITY |
||||||||||||||||||||||
NXP Semiconductors |
PNP |
SINGLE |
NO |
1300 MHz |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
THROUGH-HOLE |
ROUND |
1 |
ULTRA HIGH FREQUENCY BAND |
3 |
CYLINDRICAL |
1 W |
20 |
150 Cel |
2 pF |
SILICON |
65 V |
BOTTOM |
O-PBCY-T3 |
Not Qualified |
HIGH RELIABILITY |
TO-92 |
CECC |
|||||||||||||||
NXP Semiconductors |
NPN |
SINGLE |
YES |
1400 MHz |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
GULL WING |
RECTANGULAR |
1 |
ULTRA HIGH FREQUENCY BAND |
4 |
SMALL OUTLINE |
2 W |
20 |
175 Cel |
SILICON |
65 V |
DUAL |
R-PDSO-G4 |
COLLECTOR |
Not Qualified |
||||||||||||||||||
NXP Semiconductors |
NPN |
SINGLE |
NO |
1400 MHz |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
THROUGH-HOLE |
ROUND |
1 |
ULTRA HIGH FREQUENCY BAND |
3 |
CYLINDRICAL |
1 W |
20 |
150 Cel |
SILICON |
65 V |
BOTTOM |
O-PBCY-T3 |
Not Qualified |
TO-92 |
||||||||||||||||||
NXP Semiconductors |
PNP |
SINGLE |
YES |
1300 MHz |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
GULL WING |
RECTANGULAR |
1 |
ULTRA HIGH FREQUENCY BAND |
4 |
SMALL OUTLINE |
2 W |
20 |
175 Cel |
SILICON |
65 V |
DUAL |
R-PDSO-G4 |
COLLECTOR |
Not Qualified |
||||||||||||||||||
NXP Semiconductors |
NPN |
SINGLE |
YES |
1200 MHz |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
GULL WING |
RECTANGULAR |
1 |
4 |
SMALL OUTLINE |
1.5 pF |
SILICON |
95 V |
SINGLE |
R-PSSO-G4 |
COLLECTOR |
Not Qualified |
HIGH RELIABILITY |
||||||||||||||||||||
|
NXP Semiconductors |
PNP |
SINGLE |
YES |
800 MHz |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
GULL WING |
RECTANGULAR |
1 |
4 |
SMALL OUTLINE |
20 |
175 Cel |
1.6 pF |
SILICON |
TIN |
DUAL |
R-PDSO-G4 |
Not Qualified |
e3 |
||||||||||||||||||
NXP Semiconductors |
NPN |
SINGLE |
NO |
1200 MHz |
3 W |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
THROUGH-HOLE |
RECTANGULAR |
1 |
ULTRA HIGH FREQUENCY BAND |
3 |
FLANGE MOUNT |
Other Transistors |
3 W |
20 |
175 Cel |
2 pF |
SILICON |
95 V |
SINGLE |
R-PSFM-T3 |
ISOLATED |
Not Qualified |
HIGH RELIABILITY |
TO-126 |
CECC |
||||||||||||
NXP Semiconductors |
NPN |
SINGLE |
NO |
1400 MHz |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
THROUGH-HOLE |
ROUND |
1 |
ULTRA HIGH FREQUENCY BAND |
3 |
CYLINDRICAL |
1 W |
20 |
150 Cel |
1.8 pF |
SILICON |
65 V |
BOTTOM |
O-PBCY-T3 |
Not Qualified |
HIGH RELIABILITY |
TO-92 |
CECC |
|||||||||||||||
NXP Semiconductors |
PNP |
SINGLE |
NO |
1200 MHz |
.3 A |
PLASTIC/EPOXY |
SWITCHING |
THROUGH-HOLE |
ROUND |
1 |
ULTRA HIGH FREQUENCY BAND |
3 |
CYLINDRICAL |
1 W |
20 |
150 Cel |
2 pF |
SILICON |
95 V |
BOTTOM |
O-PBCY-T3 |
Not Qualified |
HIGH RELIABILITY |
TO-92 |
CECC |
|||||||||||||||
NXP Semiconductors |
NPN |
SINGLE WITH BUILT-IN RESISTOR |
NO |
1200 MHz |
.3 A |
METAL |
AMPLIFIER |
WIRE |
ROUND |
1 |
3 |
CYLINDRICAL |
SILICON |
95 V |
BOTTOM |
O-MBCY-W3 |
Not Qualified |
HIGH RELIABILITY, WITH EMITTER BALLASTING RESISTORS |
TO-39 |
|||||||||||||||||||||
NXP Semiconductors |
PNP |
SINGLE |
YES |
1000 MHz |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
GULL WING |
RECTANGULAR |
1 |
4 |
SMALL OUTLINE |
20 |
175 Cel |
1.6 pF |
SILICON |
DUAL |
R-PDSO-G4 |
Not Qualified |
|||||||||||||||||||||
NXP Semiconductors |
PNP |
SINGLE |
YES |
1300 MHz |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
GULL WING |
RECTANGULAR |
1 |
4 |
SMALL OUTLINE |
1.6 pF |
SILICON |
65 V |
SINGLE |
R-PSSO-G4 |
COLLECTOR |
Not Qualified |
HIGH RELIABILITY |
||||||||||||||||||||
NXP Semiconductors |
PNP |
SINGLE |
NO |
1200 MHz |
3 W |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
THROUGH-HOLE |
RECTANGULAR |
1 |
ULTRA HIGH FREQUENCY BAND |
3 |
FLANGE MOUNT |
Other Transistors |
3 W |
20 |
175 Cel |
2 pF |
SILICON |
95 V |
SINGLE |
R-PSFM-T3 |
COLLECTOR |
Not Qualified |
HIGH RELIABILITY |
TO-202 |
CECC |
||||||||||||
NXP Semiconductors |
PNP |
SINGLE |
YES |
1300 MHz |
2 W |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
GULL WING |
RECTANGULAR |
1 |
4 |
SMALL OUTLINE |
Other Transistors |
20 |
175 Cel |
1.6 pF |
SILICON |
65 V |
SINGLE |
R-PSSO-G4 |
COLLECTOR |
Not Qualified |
HIGH RELIABILITY |
||||||||||||||||
NXP Semiconductors |
PNP |
SINGLE |
NO |
1200 MHz |
3 W |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
THROUGH-HOLE |
RECTANGULAR |
1 |
ULTRA HIGH FREQUENCY BAND |
3 |
FLANGE MOUNT |
Other Transistors |
3 W |
20 |
175 Cel |
2.5 pF |
SILICON |
95 V |
SINGLE |
R-PSFM-T3 |
ISOLATED |
Not Qualified |
HIGH RELIABILITY |
TO-126 |
CECC |
||||||||||||
NXP Semiconductors |
NPN |
SINGLE WITH BUILT-IN RESISTOR |
NO |
1400 MHz |
.3 A |
METAL |
AMPLIFIER |
WIRE |
ROUND |
1 |
3 |
CYLINDRICAL |
SILICON |
65 V |
BOTTOM |
O-MBCY-W3 |
Not Qualified |
HIGH RELIABILITY, WITH EMITTER BALLASTING RESISTORS |
TO-39 |
|||||||||||||||||||||
NXP Semiconductors |
PNP |
SINGLE |
NO |
1200 MHz |
.3 A |
PLASTIC/EPOXY |
SWITCHING |
THROUGH-HOLE |
ROUND |
1 |
ULTRA HIGH FREQUENCY BAND |
3 |
CYLINDRICAL |
1 W |
20 |
150 Cel |
2 pF |
SILICON |
95 V |
BOTTOM |
O-PBCY-T3 |
Not Qualified |
HIGH RELIABILITY |
TO-92 |
CECC |
|||||||||||||||
NXP Semiconductors |
PNP |
SINGLE |
NO |
1300 MHz |
3 W |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
THROUGH-HOLE |
RECTANGULAR |
1 |
ULTRA HIGH FREQUENCY BAND |
3 |
FLANGE MOUNT |
Other Transistors |
3 W |
20 |
175 Cel |
2 pF |
SILICON |
65 V |
SINGLE |
R-PSFM-T3 |
COLLECTOR |
Not Qualified |
HIGH RELIABILITY |
TO-202 |
CECC |
||||||||||||
NXP Semiconductors |
PNP |
SINGLE |
YES |
1200 MHz |
2 W |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
GULL WING |
RECTANGULAR |
1 |
4 |
SMALL OUTLINE |
Other Transistors |
20 |
175 Cel |
1.6 pF |
SILICON |
95 V |
SINGLE |
R-PSSO-G4 |
COLLECTOR |
Not Qualified |
HIGH RELIABILITY |
||||||||||||||||
NXP Semiconductors |
NPN |
SINGLE |
YES |
3 W |
.3 A |
CERAMIC, METAL-SEALED COFIRED |
AMPLIFIER |
8 dB |
GULL WING |
RECTANGULAR |
1 |
ULTRA HIGH FREQUENCY BAND |
8 |
SMALL OUTLINE |
Other Transistors |
3 W |
30 |
200 Cel |
SILICON |
28 V |
DUAL |
R-CDSO-G8 |
ISOLATED |
Not Qualified |
HIGH RELIABILITY, WITH EMITTER BALLASTING RESISTORS |
|||||||||||||||
NXP Semiconductors |
NPN |
SINGLE |
NO |
1400 MHz |
3 W |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
THROUGH-HOLE |
RECTANGULAR |
1 |
ULTRA HIGH FREQUENCY BAND |
3 |
FLANGE MOUNT |
Other Transistors |
3 W |
20 |
175 Cel |
2 pF |
SILICON |
65 V |
SINGLE |
R-PSFM-T3 |
ISOLATED |
Not Qualified |
HIGH RELIABILITY |
TO-126 |
CECC |
||||||||||||
NXP Semiconductors |
PNP |
SINGLE |
NO |
1200 MHz |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
THROUGH-HOLE |
ROUND |
1 |
ULTRA HIGH FREQUENCY BAND |
3 |
CYLINDRICAL |
1 W |
20 |
150 Cel |
SILICON |
95 V |
BOTTOM |
O-PBCY-T3 |
Not Qualified |
TO-92 |
||||||||||||||||||
NXP Semiconductors |
PNP |
SINGLE |
YES |
1300 MHz |
.3 A |
CERAMIC, METAL-SEALED COFIRED |
FLAT |
ROUND |
1 |
ULTRA HIGH FREQUENCY BAND |
4 |
DISK BUTTON |
SILICON |
65 V |
RADIAL |
O-CRDB-F4 |
Not Qualified |
HIGH RELIABILITY |
||||||||||||||||||||||
NXP Semiconductors |
PNP |
SINGLE |
YES |
1200 MHz |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
GULL WING |
RECTANGULAR |
1 |
4 |
SMALL OUTLINE |
1.6 pF |
SILICON |
95 V |
SINGLE |
R-PSSO-G4 |
COLLECTOR |
Not Qualified |
HIGH RELIABILITY |
||||||||||||||||||||
NXP Semiconductors |
NPN |
SINGLE |
YES |
1200 MHz |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
GULL WING |
RECTANGULAR |
1 |
ULTRA HIGH FREQUENCY BAND |
4 |
SMALL OUTLINE |
2 W |
20 |
175 Cel |
SILICON |
95 V |
DUAL |
R-PDSO-G4 |
COLLECTOR |
Not Qualified |
||||||||||||||||||
NXP Semiconductors |
PNP |
SINGLE |
NO |
1300 MHz |
1 W |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
THROUGH-HOLE |
ROUND |
1 |
ULTRA HIGH FREQUENCY BAND |
3 |
CYLINDRICAL |
Other Transistors |
1 W |
20 |
150 Cel |
2 pF |
SILICON |
65 V |
BOTTOM |
O-PBCY-T3 |
Not Qualified |
HIGH RELIABILITY |
TO-92 |
CECC |
|||||||||||||
NXP Semiconductors |
PNP |
SINGLE |
YES |
1300 MHz |
.3 A |
CERAMIC, METAL-SEALED COFIRED |
AMPLIFIER |
FLAT |
ROUND |
1 |
4 |
DISK BUTTON |
SILICON |
65 V |
RADIAL |
O-CRDB-F4 |
BASE |
Not Qualified |
HIGH RELIABILITY, WITH EMITTER BALLASTING RESISTOR |
|||||||||||||||||||||
NXP Semiconductors |
PNP |
SINGLE |
YES |
1200 MHz |
.3 A |
UNSPECIFIED |
NO LEAD |
SQUARE |
1 |
ULTRA HIGH FREQUENCY BAND |
2 |
UNCASED CHIP |
SILICON |
UPPER |
S-XUUC-N2 |
Not Qualified |
||||||||||||||||||||||||
NXP Semiconductors |
NPN |
SINGLE |
YES |
1200 MHz |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
GULL WING |
RECTANGULAR |
1 |
4 |
SMALL OUTLINE |
1.5 pF |
SILICON |
95 V |
SINGLE |
R-PSSO-G4 |
COLLECTOR |
Not Qualified |
HIGH RELIABILITY |
||||||||||||||||||||
NXP Semiconductors |
NPN |
SINGLE |
YES |
4000 MHz |
4.5 W |
.3 A |
CERAMIC, METAL-SEALED COFIRED |
AMPLIFIER |
FLAT |
ROUND |
1 |
ULTRA HIGH FREQUENCY BAND |
4 |
DISK BUTTON |
Other Transistors |
4.5 W |
25 |
200 Cel |
SILICON |
18 V |
RADIAL |
O-CRDB-F4 |
Not Qualified |
WITH EMITTER BALLASTING RESISTORS, HIGH RELIABILITY |
||||||||||||||||
NXP Semiconductors |
PNP |
SINGLE WITH BUILT-IN RESISTOR |
NO |
1300 MHz |
.3 A |
METAL |
AMPLIFIER |
WIRE |
ROUND |
1 |
3 |
CYLINDRICAL |
SILICON |
65 V |
BOTTOM |
O-MBCY-W3 |
Not Qualified |
HIGH RELIABILITY, WITH EMITTER BALLASTING RESISTORS |
TO-39 |
|||||||||||||||||||||
NXP Semiconductors |
NPN |
SINGLE |
YES |
1400 MHz |
.3 A |
PLASTIC/EPOXY |
AMPLIFIER |
GULL WING |
RECTANGULAR |
1 |
4 |
SMALL OUTLINE |
1.5 pF |
SILICON |
65 V |
SINGLE |
R-PSSO-G4 |
COLLECTOR |
Not Qualified |
HIGH RELIABILITY |
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 BJTs are available in various types and configurations, including NPN and PNP bipolar transistors, and can handle power levels ranging from a few milliwatts to a few watts. They are subject to various standards and regulations, such as JEDEC (Joint Electron Device Engineering Council) and RoHS (Restriction of Hazardous Substances), to ensure their safety and performance.