STMicroelectronics Small Signal Bipolar Junction Transistors (BJT) 490

Reset All
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 Fall Time (tf) 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

2N5551RHRG

STMicroelectronics

J2N3700UB1

STMicroelectronics

NOT SPECIFIED

NOT SPECIFIED

BC327-25-AP

STMicroelectronics

PNP

SINGLE

NO

80 MHz

.625 W

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

160

150 Cel

SILICON

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

STX724

STMicroelectronics

NPN

SINGLE

NO

100 MHz

.9 W

3 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

30 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

STL73D-H

STMicroelectronics

NPN

SINGLE WITH BUILT-IN DIODE

NO

1.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

15

SILICON

400 V

4700 ns

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

STX817A-AP

STMicroelectronics

PNP

SINGLE

NO

50 MHz

.9 W

1.5 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

80 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

SO3906

STMicroelectronics

PNP

SINGLE

YES

250 MHz

.2 W

.2 A

SWITCHING

1

Other Transistors

100

140 Cel

SILICON

40 V

TIN LEAD

e0

BSW67

STMicroelectronics

NPN

SINGLE

NO

80 MHz

.8 W

1.5 A

METAL

SWITCHING

1 V

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

5 W

15

200 Cel

35 pF

SILICON

120 V

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-39

e0

STL73D-L-AP

STMicroelectronics

NPN

SINGLE WITH BUILT-IN DIODE

NO

1.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

10

SILICON

400 V

4700 ns

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

SOC2222ARHRG

STMicroelectronics

NPN

SINGLE

NO

.5 W

.8 A

1

Other Transistors

100

200 Cel

NOT SPECIFIED

NOT SPECIFIED

SOC5401RHRG

STMicroelectronics

NOT SPECIFIED

NOT SPECIFIED

STL71L

STMicroelectronics

NPN

SINGLE

NO

.6 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

10

150 Cel

SILICON

400 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

520100204

STMicroelectronics

NPN

SINGLE

YES

.8 A

PLASTIC/EPOXY

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

40

200 Cel

SILICON

40 V

35 ns

285 ns

DUAL

R-PDSO-N3

NOT SPECIFIED

NOT SPECIFIED

EUROPEAN SPACE AGENCY

2N2369Z

STMicroelectronics

NPN

SINGLE

NO

500 MHz

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

40

SILICON

15 V

BOTTOM

O-MBCY-W3

Not Qualified

TO-18

STBV45-AP

STMicroelectronics

NPN

SINGLE

NO

.95 W

.75 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

5

150 Cel

SILICON

400 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

SOC5401HRB

STMicroelectronics

PNP

SINGLE

YES

.36 W

.5 A

PLASTIC/EPOXY

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

60

200 Cel

SILICON

150 V

DUAL

R-PDSO-N3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2N5401HRG

STMicroelectronics

NOT SPECIFIED

NOT SPECIFIED

BC327-40-AP

STMicroelectronics

PNP

SINGLE

NO

80 MHz

.625 W

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

250

150 Cel

SILICON

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC477

STMicroelectronics

PNP

SINGLE

NO

150 MHz

.36 W

.15 A

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

110

175 Cel

SILICON

80 V

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

LOW NOISE

TO-18

e0

2N2219AHR

STMicroelectronics

NPN

SINGLE

NO

3 W

.8 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

200 Cel

SILICON

40 V

35 ns

300 ns

GOLD

BOTTOM

O-MBCY-W3

Not Qualified

TO-39

e4

520101104

STMicroelectronics

NPN

SINGLE

NO

1 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

15

SILICON

80 V

BOTTOM

O-MBCY-W3

TO-39

NOT SPECIFIED

NOT SPECIFIED

EUROPEAN SPACE AGENCY

SOC5551RHRTW

STMicroelectronics

STF42

STMicroelectronics

NPN

SINGLE

YES

60 MHz

1.3 W

.0001 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

75

150 Cel

SILICON

300 V

MATTE TIN

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

e3

2STL1525-AP

STMicroelectronics

NPN

SINGLE

NO

120 MHz

1 W

5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

25 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

SOC3810HRG

STMicroelectronics

PNP

SEPARATE, 2 ELEMENTS

YES

80 MHz

.6 W

.05 A

UNSPECIFIED

.25 V

NO LEAD

RECTANGULAR

2

6

SMALL OUTLINE

.6 W

125

200 Cel

6 pF

SILICON

60 V

DUAL

R-XDSO-N6

ESA/SCC 5207/005

SOC2920AHRT

STMicroelectronics

NPN

SEPARATE, 2 ELEMENTS

YES

60 MHz

.5 W

.03 A

UNSPECIFIED

AMPLIFIER

.35 V

NO LEAD

RECTANGULAR

2

6

SMALL OUTLINE

.5 W

300

200 Cel

6 pF

SILICON

60 V

DUAL

R-XDSO-N6

NOT SPECIFIED

NOT SPECIFIED

ESA/SCC 5207/002

STBV42G-AP

STMicroelectronics

NPN

SINGLE

NO

1 W

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

5

150 Cel

SILICON

400 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

STL73D

STMicroelectronics

NPN

SINGLE WITH BUILT-IN DIODE

NO

1.5 W

1.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

4

150 Cel

SILICON

400 V

4700 ns

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

520100201R

STMicroelectronics

NPN

SINGLE

NO

.8 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

40

200 Cel

SILICON

40 V

35 ns

285 ns

BOTTOM

O-MBCY-W3

TO-18

NOT SPECIFIED

NOT SPECIFIED

EUROPEAN SPACE AGENCY; RH - 100K Rad(Si)

520100405R

STMicroelectronics

NPN

SINGLE

YES

1 A

PLASTIC/EPOXY

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

50

200 Cel

SILICON

80 V

DUAL

R-PDSO-N3

NOT SPECIFIED

NOT SPECIFIED

EUROPEAN SPACE AGENCY; RH - 100K Rad(Si)

2N5401RUBG

STMicroelectronics

NOT SPECIFIED

NOT SPECIFIED

520101103

STMicroelectronics

NPN

SINGLE

NO

1 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

15

SILICON

80 V

BOTTOM

O-MBCY-W3

TO-39

NOT SPECIFIED

NOT SPECIFIED

EUROPEAN SPACE AGENCY

BF659

STMicroelectronics

NPN

SINGLE

NO

90 MHz

7 W

.1 A

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

175 Cel

SILICON

300 V

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

TO-39

e0

SOC2907AHRB

STMicroelectronics

PNP

SINGLE

YES

.73 W

.5 A

CERAMIC, METAL-SEALED COFIRED

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

200 Cel

SILICON

60 V

45 ns

300 ns

DUAL

R-CDSO-N3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2N2222AT1

STMicroelectronics

NPN

SINGLE

NO

.8 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

200 Cel

SILICON

40 V

35 ns

285 ns

GOLD

BOTTOM

O-MBCY-W3

Not Qualified

TO-18

e4

SOC2222AUB12

STMicroelectronics

NPN

SINGLE

YES

.73 W

.8 A

1

Other Transistors

100

200 Cel

520700203

STMicroelectronics

NPN

SEPARATE, 2 ELEMENTS

NO

60 MHz

.03 A

METAL

WIRE

ROUND

2

6

CYLINDRICAL

300

SILICON

60 V

BOTTOM

O-MBCY-W6

TO-77

NOT SPECIFIED

NOT SPECIFIED

EUROPEAN SPACE AGENCY

SOC2222A1

STMicroelectronics

NPN

SINGLE

YES

.8 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

40 V

35 ns

285 ns

DUAL

R-PDSO-N3

NOT SPECIFIED

NOT SPECIFIED

STZT5401

STMicroelectronics

PNP

SINGLE

YES

100 MHz

1.5 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

60

150 Cel

SILICON

150 V

MATTE TIN

DUAL

R-PDSO-G4

Not Qualified

e3

SOC2222AHRTW

STMicroelectronics

520200202

STMicroelectronics

PNP

SINGLE

NO

200 MHz

.6 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

50

175 Cel

SILICON

60 V

45 ns

100 ns

BOTTOM

O-MBCY-W3

TO-39

EUROPEAN SPACE AGENCY

BSS44

STMicroelectronics

PNP

SINGLE

NO

80 MHz

.87 W

5 A

METAL

SWITCHING

1 V

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

5 W

40

200 Cel

100 pF

SILICON

60 V

MATTE TIN

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-39

e3

260

SO1893

STMicroelectronics

NPN

50 MHz

.8 A

SWITCHING

1

40

SILICON

80 V

SOC2907ARHRT

STMicroelectronics

PNP

SINGLE

YES

.73 W

.5 A

UNSPECIFIED

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

200 Cel

SILICON

60 V

45 ns

300 ns

DUAL

R-XDSO-N3

EUROPEAN PART NUMBER

NOT SPECIFIED

NOT SPECIFIED

BSX19

STMicroelectronics

NPN

SINGLE

NO

500 MHz

.36 W

.5 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

10

175 Cel

SILICON

15 V

7 ns

18 ns

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

HIGH-SPEED SATURATED SWITCH

TO-18

e0

SOC5551RHRG

STMicroelectronics

NPN

SINGLE

YES

.5 A

PLASTIC/EPOXY

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

30

SILICON

160 V

DUAL

R-PDSO-N3

NOT SPECIFIED

NOT SPECIFIED

RH - 100K Rad(Si)

SOC38101

STMicroelectronics

PNP

SEPARATE, 2 ELEMENTS

YES

80 MHz

.6 W

.05 A

UNSPECIFIED

.25 V

NO LEAD

RECTANGULAR

2

6

SMALL OUTLINE

.6 W

125

200 Cel

6 pF

SILICON

60 V

DUAL

R-XDSO-N6

BDW92

STMicroelectronics

PNP

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

NO

10 W

4 A

METAL

SWITCHING

2 V

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

10 W

1000

200 Cel

SILICON

180 V

MATTE TIN

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-39

e3

Small Signal Bipolar Junction Transistors (BJT)

Small Signal Bipolar Junction Transistors (BJT) 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 BJTs 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 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.

Proper use of Small Signal BJTs is important to ensure optimal performance, reliability, and compatibility with other components in the circuit. Small Signal BJTs are often used in conjunction with other components, such as capacitors and resistors, to form complete low-power electronic circuits.B395