50 MHz Small Signal Bipolar Junction Transistors (BJT) 1,434

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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

BSS63

Onsemi

PNP

SINGLE

YES

50 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

100 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

MMBTA43LT1G

Onsemi

NPN

SINGLE

YES

50 MHz

.225 W

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

200 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

MMBT5088LT3

Onsemi

NPN

SINGLE

YES

50 MHz

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

300

150 Cel

SILICON

30 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

TO-236AB

e0

MMBTA55LT1

Onsemi

PNP

SINGLE

YES

50 MHz

.225 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

60 V

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e0

30

235

MMBT5088

Onsemi

NPN

SINGLE

YES

50 MHz

.225 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

300

150 Cel

SILICON

30 V

-55 Cel

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

e3

30

260

MMBT5089LT3

Onsemi

NPN

SINGLE

YES

50 MHz

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

400

150 Cel

SILICON

25 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

TO-236AB

e0

MMBTA55LT3

Onsemi

PNP

SINGLE

YES

50 MHz

.225 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

60 V

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e0

30

235

SMMBTA42LT1

Onsemi

NPN

SINGLE

YES

50 MHz

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

300 V

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e0

30

235

2SC1330

Onsemi

NPN

SINGLE

NO

50 MHz

.4 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

SILICON

40 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

PZTA92D84Z

Onsemi

PNP

SINGLE

YES

50 MHz

.5 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

25

150 Cel

SILICON

300 V

DUAL

R-PDSO-G4

COLLECTOR

Not Qualified

MMBTA93LT3

Onsemi

PNP

SINGLE

YES

50 MHz

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

25

150 Cel

SILICON

200 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

TO-236AB

e0

MMBTA56LT3

Onsemi

PNP

SINGLE

YES

50 MHz

.225 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

80 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

TO-236AB

e0

235

BF493SRLRP

Onsemi

PNP

SINGLE

NO

50 MHz

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

40

150 Cel

SILICON

350 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

KSA708CYTA

Onsemi

PNP

SINGLE

NO

50 MHz

.8 W

.7 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

150 Cel

SILICON

60 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

2SC316

Onsemi

NPN

SINGLE

NO

50 MHz

.3 W

.05 A

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

175 Cel

SILICON

45 V

BOTTOM

O-MBCY-W3

Not Qualified

TO-18

BF493SRLRM

Onsemi

PNP

SINGLE

NO

50 MHz

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

40

150 Cel

SILICON

350 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

MMBT5550

Onsemi

NPN

SINGLE

YES

50 MHz

.6 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20

150 Cel

SILICON

140 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

MMBTA56LT1

Onsemi

PNP

SINGLE

YES

50 MHz

.225 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

80 V

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e0

30

235

KSA708YTA

Onsemi

PNP

SINGLE

NO

50 MHz

.8 W

.7 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

150 Cel

SILICON

60 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

KSA709OBU

Onsemi

PNP

SINGLE

NO

50 MHz

.7 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

70

150 Cel

SILICON

150 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

SMMBTA92LT1

Onsemi

PNP

SINGLE

YES

50 MHz

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

25

SILICON

300 V

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236

e0

30

235

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

STX715-AP

STMicroelectronics

NPN

SINGLE

NO

50 MHz

.9 W

1.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

80 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

BSS72S

STMicroelectronics

NPN

SINGLE

NO

50 MHz

.5 W

.2 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

175 Cel

SILICON

200 V

100 ns

400 ns

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

TO-18

e0

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

BUY68

STMicroelectronics

NPN

SINGLE

NO

50 MHz

.87 W

7 A

METAL

SWITCHING

1 V

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

10 W

40

200 Cel

80 pF

SILICON

60 V

350 ns

750 ns

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-39

e0

SO692

STMicroelectronics

PNP

SINGLE

YES

50 MHz

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

25

150 Cel

SILICON

300 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

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

BC441

STMicroelectronics

NPN

SINGLE

NO

50 MHz

10 W

2 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

175 Cel

SILICON

60 V

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

TO-39

e0

BSS74S

STMicroelectronics

PNP

SINGLE

NO

50 MHz

.5 W

.1 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

175 Cel

SILICON

200 V

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

TO-18

e0

STX817

STMicroelectronics

PNP

SINGLE

NO

50 MHz

.9 W

1.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

80 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

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

BC394

STMicroelectronics

NPN

SINGLE

NO

50 MHz

.4 W

.1 A

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

175 Cel

SILICON

180 V

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

TO-18

e0

STX817A

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

2N4897

STMicroelectronics

NPN

SINGLE

NO

50 MHz

.8 W

5 A

METAL

SWITCHING

1 V

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

7 W

40

200 Cel

80 pF

SILICON

80 V

350 ns

650 ns

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-39

e0

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

BC461

STMicroelectronics

PNP

SINGLE

NO

50 MHz

10 W

2 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

175 Cel

SILICON

60 V

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

TO-39

e0

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-A55

STMicroelectronics

PNP

SINGLE

NO

50 MHz

.625 W

.5 A

1

Other Transistors

50

150 Cel

Tin/Lead (Sn/Pb)

e0

BSS71S

STMicroelectronics

NPN

SINGLE

NO

50 MHz

.5 W

.2 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

175 Cel

SILICON

200 V

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

TO-18

e0

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

SO1893

STMicroelectronics

NPN

50 MHz

.8 A

SWITCHING

1

40

SILICON

80 V

SO642

STMicroelectronics

NPN

SINGLE

YES

50 MHz

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

300 V

DUAL

R-PDSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

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

BC161-6

STMicroelectronics

PNP

SINGLE

NO

50 MHz

.75 W

1 A

METAL

SWITCHING

1 V

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

3.7 W

40

175 Cel

30 pF

SILICON

60 V

500 ns

650 ns

Tin/Lead (Sn/Pb)

BOTTOM

O-MBCY-W3

Not Qualified

TO-39

e0

BC141-6

STMicroelectronics

NPN

SINGLE

NO

50 MHz

.75 W

1 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

175 Cel

SILICON

60 V

250 ns

850 ns

MATTE TIN

BOTTOM

O-MBCY-W3

Not Qualified

TO-39

e3

STX715

STMicroelectronics

NPN

SINGLE

NO

50 MHz

.9 W

1.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

80 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

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

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