.5 A Small Signal Bipolar Junction Transistors (BJT) 2,400+

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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

2SA1520-TB-E

Onsemi

PNP

YES

.2 W

.5 A

1

BIP General Purpose Small Signal

50

SILICON

Tin/Bismuth (Sn/Bi)

1

e6

2SC3920-AA

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

SILICON

50 V

Tin/Copper/Silver/Nickel (Sn/Cu/Ag/Ni)

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

TO-92

SS9013D

Onsemi

NPN

SINGLE

NO

.625 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

.6 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

64

150 Cel

SILICON

20 V

BOTTOM

O-PBCY-T3

TO-92

2N6515RLRA

Onsemi

NPN

SINGLE

NO

40 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

25

150 Cel

SILICON

250 V

200 ns

3.5 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

MPS8099RL

Onsemi

NPN

SINGLE

NO

150 MHz

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

75

150 Cel

SILICON

80 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

MMBT6520LT1

Onsemi

PNP

SINGLE

YES

40 MHz

.225 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

15

150 Cel

SILICON

350 V

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AF

e0

30

235

BC636RLRE

Onsemi

PNP

SINGLE

NO

150 MHz

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

40

150 Cel

SILICON

45 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

MPS6729RLRP

Onsemi

PNP

SINGLE

NO

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

50

150 Cel

SILICON

80 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

BC637RLRE

Onsemi

NPN

SINGLE

NO

200 MHz

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

40

150 Cel

SILICON

60 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

2N6519RL

Onsemi

PNP

SINGLE

NO

40 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

20

150 Cel

SILICON

300 V

200 ns

3.5 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

2SC3913

Onsemi

NPN

YES

.2 W

.5 A

1

BIP General Purpose Small Signal

50

SILICON

PN5134

Onsemi

NPN

SINGLE

NO

.625 W

.5 A

PLASTIC/EPOXY

SWITCHING

.25 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.625 W

15

150 Cel

4 pF

SILICON

10 V

18 ns

-55 Cel

18 ns

BOTTOM

O-PBCY-T3

TO-92

PN5138

Onsemi

PNP

SINGLE

NO

30 MHz

.625 W

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

PN3642

Onsemi

NPN

SINGLE

NO

150 MHz

.6 W

.5 A

PLASTIC/EPOXY

.22 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

15

150 Cel

8 pF

SILICON

45 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

PN3568

Onsemi

NPN

SINGLE

NO

60 MHz

.6 W

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

60 V

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

PN3569

Onsemi

NPN

SINGLE

NO

3 MHz

.6 W

.5 A

PLASTIC/EPOXY

.25 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

20 pF

SILICON

40 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

2N6517C

Onsemi

NPN

SINGLE

NO

200 MHz

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

15

150 Cel

SILICON

400 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

STPSA42

STMicroelectronics

NPN

SINGLE

NO

50 MHz

.625 W

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

300 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

SOA56

STMicroelectronics

PNP

SINGLE

YES

50 MHz

.35 W

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

SILICON

80 V

MATTE TIN

DUAL

R-PDSO-G3

Not Qualified

e3

SOC2907AHRT

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

2N5551RUBG

STMicroelectronics

NPN

SINGLE

YES

.58 W

.5 A

UNSPECIFIED

AMPLIFIER

.2 V

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

.36 W

30

200 Cel

6 pF

SILICON

160 V

DUAL

R-XDSO-N3

NOT SPECIFIED

NOT SPECIFIED

ESA/SCC 5201/019; RH - 100K Rad(Si)

SOC2907ARHRTW

STMicroelectronics

PNP

SINGLE

YES

.73 W

.5 A

UNSPECIFIED

AMPLIFIER

.4 V

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

.4 W

50

200 Cel

8 pF

SILICON

60 V

45 ns

-65 Cel

300 ns

DUAL

R-XDSO-N3

ESA/SCC 5202/001; RH - 100K Rad(Si)

STPSA92

STMicroelectronics

PNP

SINGLE

NO

50 MHz

.625 W

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

300 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

J2N2907AUB1

STMicroelectronics

PNP

SINGLE

YES

.5 A

UNSPECIFIED

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

50

SILICON

60 V

45 ns

300 ns

Gold (Au)

DUAL

R-XDSO-N3

e4

SOC5551HRT

STMicroelectronics

NPN

SINGLE

YES

.58 W

.5 A

UNSPECIFIED

AMPLIFIER

.2 V

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

.36 W

30

200 Cel

6 pF

SILICON

160 V

DUAL

R-XDSO-N3

NOT SPECIFIED

NOT SPECIFIED

ESA/SCC 5201/019

5202/001/05R

STMicroelectronics

PNP

SINGLE

YES

.5 A

PLASTIC/EPOXY

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

50

200 Cel

SILICON

60 V

45 ns

300 ns

DUAL

R-PDSO-N3

NOT SPECIFIED

NOT SPECIFIED

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

2N2484UBT

STMicroelectronics

NPN

SINGLE

YES

.73 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

.35 V

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

.36 W

250

200 Cel

6 pF

SILICON

60 V

-65 Cel

DUAL

R-PDSO-N3

HIGH RELIABILITY

STPSA92-AP

STMicroelectronics

PNP

SINGLE

NO

50 MHz

.625 W

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

300 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

2N2484UB1

STMicroelectronics

NPN

SINGLE

YES

.73 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

.35 V

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

.36 W

250

200 Cel

6 pF

SILICON

60 V

-65 Cel

Gold (Au)

DUAL

R-PDSO-N3

Not Qualified

HIGH RELIABILITY

e4

520101904R

STMicroelectronics

NPN

SINGLE

YES

.5 A

PLASTIC/EPOXY

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

30

200 Cel

SILICON

160 V

DUAL

R-PDSO-N3

NOT SPECIFIED

NOT SPECIFIED

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

SOC2907AUB07

STMicroelectronics

PNP

SINGLE

YES

100 MHz

.5 A

UNSPECIFIED

.4 V

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

.4 W

50

200 Cel

8 pF

SILICON

60 V

45 ns

300 ns

DUAL

R-XDSO-N3

HIGH RELIABILITY

EUROPEAN SPACE AGENCY

SOC2907AHRG

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

GOLD

DUAL

R-XDSO-N3

EUROPEAN PART NUMBER

e4

STZTA42

STMicroelectronics

NPN

SINGLE

YES

50 MHz

2 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

300 V

MATTE TIN

DUAL

R-PDSO-G4

COLLECTOR

Not Qualified

e3

SOC2484HRG

STMicroelectronics

NPN

SINGLE

YES

.73 W

.5 A

UNSPECIFIED

.35 V

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

.36 W

150

200 Cel

6 pF

SILICON

60 V

-65 Cel

DUAL

R-XDSO-N3

HIGH RELIABILITY

EUROPEAN SPACE AGENCY

STPSA42-AP

STMicroelectronics

NPN

SINGLE

NO

50 MHz

.625 W

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

300 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MPS-A05

STMicroelectronics

NPN

SINGLE

NO

100 MHz

.625 W

.5 A

1

Other Transistors

50

150 Cel

Tin/Lead (Sn/Pb)

e0

BF421-AP

STMicroelectronics

PNP

SINGLE

NO

60 MHz

.83 W

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

300 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

5201/001/07

STMicroelectronics

NPN

SINGLE

YES

.73 W

.5 A

UNSPECIFIED

.35 V

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

.36 W

150

200 Cel

6 pF

SILICON

60 V

-65 Cel

DUAL

R-XDSO-N3

HIGH RELIABILITY

EUROPEAN SPACE AGENCY

MPS-A55

STMicroelectronics

PNP

SINGLE

NO

50 MHz

.625 W

.5 A

1

Other Transistors

50

150 Cel

Tin/Lead (Sn/Pb)

e0

BF420-AP

STMicroelectronics

NPN

SINGLE

NO

60 MHz

.83 W

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

300 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

SOA06

STMicroelectronics

NPN

SINGLE

YES

100 MHz

.35 W

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

SILICON

80 V

MATTE TIN

DUAL

R-PDSO-G3

Not Qualified

e3

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

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

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

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

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)

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