.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

5201/001/06

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

5201/001/04

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

SOC5551HRB

STMicroelectronics

NPN

SINGLE

YES

.58 W

.5 A

CERAMIC, METAL-SEALED COFIRED

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

200 Cel

SILICON

160 V

DUAL

R-CDSO-N3

Not Qualified

EUROPEAN PART NUMBER

NOT SPECIFIED

NOT SPECIFIED

SOC5551HRG

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

ESA/SCC 5201/019

SOC2484HRT

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

NOT SPECIFIED

NOT SPECIFIED

EUROPEAN SPACE AGENCY

SOC2907A1

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

5202/001/07

STMicroelectronics

PNP

SINGLE

YES

.73 W

.5 A

UNSPECIFIED

1.6 V

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

50

200 Cel

8 pF

SILICON

60 V

45 ns

300 ns

DUAL

R-XDSO-N3

HIGH RELIABILITY

EUROPEAN SPACE AGENCY

BC393

STMicroelectronics

PNP

SINGLE

NO

50 MHz

.4 W

.5 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

175 Cel

SILICON

180 V

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

TO-18

e0

SOC55511

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

SOC2907ARHRG

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

2N5551RUBT

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)

5201/001/05

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

J2N5551UB1

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

2N2484UBG

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

5202/001/07R

STMicroelectronics

PNP

SINGLE

YES

.73 W

.5 A

UNSPECIFIED

1.6 V

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

50

200 Cel

8 pF

SILICON

60 V

45 ns

300 ns

DUAL

R-XDSO-N3

HIGH RELIABILITY

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

2N5551UBG

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

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

5202/001/04

STMicroelectronics

PNP

SINGLE

YES

.5 A

PLASTIC/EPOXY

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

50

SILICON

60 V

45 ns

300 ns

GOLD

DUAL

R-PDSO-N3

e4

EUROPEAN SPACE AGENCY

BSX88A

STMicroelectronics

NPN

SINGLE

NO

350 MHz

.36 W

.5 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

200 Cel

SILICON

20 V

30 ns

70 ns

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

HIGH SPEED SATURATED SWITCH

TO-39

e0

2N5551UBT

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

5202/001/05

STMicroelectronics

PNP

SINGLE

YES

.5 A

PLASTIC/EPOXY

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

50

SILICON

60 V

45 ns

300 ns

DUAL

R-PDSO-N3

NOT SPECIFIED

NOT SPECIFIED

EUROPEAN SPACE AGENCY

5202/001/04R

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

GOLD

DUAL

R-PDSO-N3

e4

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

SOC5551RHRT

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)

STZTA92

STMicroelectronics

PNP

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

520201407R

STMicroelectronics

PNP

SINGLE

YES

.36 W

.5 A

PLASTIC/EPOXY

.5 V

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

.36 W

60

200 Cel

6 pF

SILICON

150 V

DUAL

R-PDSO-N3

HIGH RELIABILITY

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

520201405R

STMicroelectronics

PNP

SINGLE

YES

.36 W

.5 A

PLASTIC/EPOXY

.5 V

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

.36 W

60

200 Cel

6 pF

SILICON

150 V

DUAL

R-PDSO-N3

HIGH RELIABILITY

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

520101905R

STMicroelectronics

NPN

SINGLE

YES

.36 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

.2 V

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

.36 W

30

200 Cel

6 pF

SILICON

160 V

DUAL

R-PDSO-N3

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

JANS2N2907A

STMicroelectronics

PNP

SINGLE

YES

.5 A

UNSPECIFIED

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

50

200 Cel

SILICON

60 V

45 ns

300 ns

DUAL

R-XDSO-N3

Not Qualified

MIL-19500

2N2907AUBG

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

e4

ULN2004D

STMicroelectronics

NPN

COMPLEX

YES

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

7

16

SMALL OUTLINE

1000

150 Cel

SILICON

50 V

-20 Cel

DUAL

R-PDSO-G16

Not Qualified

LOGIC LEVEL COMPATIBLE

NOT SPECIFIED

NOT SPECIFIED

JANSR2N2907AUBT

STMicroelectronics

PNP

SINGLE

YES

.5 A

UNSPECIFIED

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

50

SILICON

60 V

45 ns

300 ns

DUAL

R-XDSO-N3

Not Qualified

MIL-19500

JANSR2N5551UBG

STMicroelectronics

NPN

SINGLE

YES

.5 A

PLASTIC/EPOXY

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

30

SILICON

160 V

DUAL

R-PDSO-N3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

MIL-19500; RH - 100K Rad(Si)

JANSR2N5551UBT

STMicroelectronics

NPN

SINGLE

YES

1 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 Qualified

NOT SPECIFIED

NOT SPECIFIED

MIL-19500; RH - 100K Rad(Si)

2N2907AUBT

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

NOT SPECIFIED

NOT SPECIFIED

JANSR2N2907AUBG

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

Not Qualified

e4

MIL-19500

JANS2N2907AUBT

STMicroelectronics

PNP

SINGLE

YES

.5 A

UNSPECIFIED

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

50

SILICON

60 V

45 ns

300 ns

DUAL

R-XDSO-N3

Not Qualified

MIL-19500

JANS2N5551UBT

STMicroelectronics

NPN

SINGLE

YES

1 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 Qualified

NOT SPECIFIED

NOT SPECIFIED

MIL-19500

2N2907ARUBG

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

e4

BC139

STMicroelectronics

PNP

SINGLE

NO

200 MHz

.7 W

.5 A

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

200 Cel

SILICON

40 V

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

TO-39

e0

2N2907ARUBTW

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)

2N2907ARUBT

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

NOT SPECIFIED

NOT SPECIFIED

2N2907AUB1

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

JANS2N5551UBG

STMicroelectronics

NPN

SINGLE

YES

1 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 Qualified

NOT SPECIFIED

NOT SPECIFIED

MIL-19500

JANS2N2907AUBG

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

Not Qualified

e4

MIL-19500

MPSA64-T/R

NXP Semiconductors

PNP

DARLINGTON

NO

125 MHz

.5 A

PLASTIC/EPOXY

AMPLIFIER

1.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

10000

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

933149180126

NXP Semiconductors

PNP

SINGLE

NO

80 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

100

SILICON

45 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

PDTB143EU

NXP Semiconductors

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

140 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

60

SILICON

50 V

DUAL

R-PDSO-G3

BUILT IN BIAS RESISTANCE RATIO IS 1

AEC-Q101; IEC-60134

934021920115

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

150 Cel

SILICON

45 V

PURE TIN

DUAL

R-PDSO-G3

1

Not Qualified

BSP52/T3

NXP Semiconductors

NPN

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

YES

200 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

1.3 V

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

1.5 W

2000

150 Cel

SILICON

80 V

DUAL

R-PDSO-G4

COLLECTOR

Not Qualified

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