Onsemi 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

MPSA06RLRP

Onsemi

NPN

SINGLE

NO

100 MHz

.625 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

80 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

KST3904

Onsemi

NPN

SINGLE

YES

300 MHz

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

SILICON

40 V

70 ns

250 ns

DUAL

R-PDSO-G3

NST857AMX2T5G

Onsemi

PNP

SINGLE

YES

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

.65 V

NO LEAD

RECTANGULAR

1

3

CHIP CARRIER

.3 W

125

150 Cel

4.5 pF

SILICON

45 V

-55 Cel

BOTTOM

R-PBCC-N3

COLLECTOR

NOT SPECIFIED

NOT SPECIFIED

BF844RL1

Onsemi

NPN

SINGLE

NO

.3 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

20

150 Cel

SILICON

400 V

600 ns

10000 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

MPSA62ZL1

Onsemi

PNP

DARLINGTON

NO

125 MHz

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

20000

150 Cel

SILICON

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

BC447RLRA

Onsemi

PNP

SINGLE

NO

200 MHz

.3 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

50

150 Cel

SILICON

80 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

BC237BRLRA

Onsemi

NPN

SINGLE

NO

200 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

150 Cel

SILICON

45 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

NST848BF3T5G

Onsemi

NPN

SINGLE

YES

100 MHz

.347 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

30 V

MATTE TIN

DUAL

R-PDSO-F3

1

Not Qualified

e3

30

260

MPSW92G

Onsemi

PNP

SINGLE

NO

50 MHz

1 W

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

300 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-226

e1

260

BC490ARLRA

Onsemi

PNP

SINGLE

NO

150 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

100

150 Cel

SILICON

80 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

MPS2907ARL

Onsemi

PNP

SINGLE

NO

200 MHz

.36 W

.6 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

60 V

45 ns

100 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

235

MPSA77RL

Onsemi

PNP

DARLINGTON

NO

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

10000

150 Cel

SILICON

60 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

2N4292

Onsemi

MPS2222ARLRM

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.6 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

150 Cel

SILICON

40 V

35 ns

285 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

MPS2369AG

Onsemi

NPN

SINGLE

NO

500 MHz

.36 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

SILICON

15 V

12 ns

18 ns

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

KSB564A-O

Onsemi

PNP

SINGLE

NO

110 MHz

.8 W

1 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.8 W

70

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-T3

TO-92

NSBA115EDXV6T5G

Onsemi

PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.5 W

.1 A

PLASTIC/EPOXY

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

80

SILICON

50 V

TIN

DUAL

R-PDSO-F6

1

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

e3

260

BF310

Onsemi

NPN

SINGLE

NO

300 MHz

.3 W

.025 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

29

SILICON

30 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSA812

Onsemi

PNP

SINGLE

YES

180 MHz

.15 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

.15 W

90

150 Cel

SILICON

50 V

DUAL

R-PDSO-G3

MPSA27RL

Onsemi

NPN

DARLINGTON

NO

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

10000

150 Cel

SILICON

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

NSBA144WDXV6T1G

Onsemi

PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.5 W

.1 A

PLASTIC/EPOXY

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signals

80

SILICON

50 V

MATTE TIN

DUAL

R-PDSO-F6

1

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 2.1

e3

30

260

2N5400RLRPG

Onsemi

PNP

SINGLE

NO

100 MHz

.35 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

120 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

MPSA20G

Onsemi

NPN

SINGLE

NO

125 MHz

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

40 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

MUN2213T1

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

80

SILICON

50 V

TIN LEAD

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

e0

30

235

NSBC124EPDXV6T5G

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

60

150 Cel

SILICON

50 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-F6

1

Not Qualified

BUILT IN BIAS RESISTANCE RATIO IS 1

e3

30

260

FJN3301RTA

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

250 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

20

150 Cel

SILICON

50 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

TO-92

e3

2N6426RL1

Onsemi

NPN

DARLINGTON

NO

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

20000

150 Cel

SILICON

40 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

BC328-25RL

Onsemi

PNP

SINGLE

NO

260 MHz

.8 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

160

150 Cel

SILICON

25 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

BF421

Onsemi

PNP

SINGLE

NO

60 MHz

1.5 W

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

300 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

MPSA56RLRM

Onsemi

PNP

SINGLE

NO

50 MHz

.625 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

80 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

MPSA43RL

Onsemi

NPN

SINGLE

NO

50 MHz

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

40

150 Cel

SILICON

200 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

BC489RLRE

Onsemi

NPN

SINGLE

NO

200 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

60

150 Cel

SILICON

80 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

NSBC143TPDXV6T5G

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

160

SILICON

50 V

TIN

DUAL

R-PDSO-F6

1

Not Qualified

BUILT IN BIAS RESISTOR

e3

30

260

BC489BRLRM

Onsemi

NPN

SINGLE

NO

200 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

160

150 Cel

SILICON

80 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

EMD4DXV6T5G

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.5 W

.1 A

PLASTIC/EPOXY

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

80

150 Cel

SILICON

50 V

MATTE TIN

DUAL

R-PDSO-F6

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

e3

30

260

BDB02CRL

Onsemi

PNP

SINGLE

NO

50 MHz

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

25

150 Cel

SILICON

80 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

KSA643YTA

Onsemi

PNP

SINGLE

NO

.5 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

150 Cel

SILICON

20 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

KSC900L

Onsemi

NPN

SINGLE

NO

100 MHz

.25 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

.2 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.25 W

350

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-T3

TO-92

BC449RLRM

Onsemi

PNP

SINGLE

NO

200 MHz

.3 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

50

150 Cel

SILICON

100 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

ME3002

Onsemi

2N5401ZL1

Onsemi

PNP

SINGLE

NO

100 MHz

.63 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

150 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

235

MPSW51ARLRM

Onsemi

PNP

SINGLE

NO

50 MHz

1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

50

150 Cel

SILICON

40 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

BC177C

Onsemi

PNP

SINGLE

NO

300 MHz

.6 W

.2 A

METAL

.6 V

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

.6 W

380

175 Cel

4 pF

SILICON

45 V

Tin/Lead (Sn/Pb)

BOTTOM

O-MBCY-W3

Not Qualified

TO-18

e0

SCH2503

Onsemi

NPN AND PNP

SINGLE

YES

.4 W

.6 A

1

BIP General Purpose Small Signal

200

150 Cel

BF844RL

Onsemi

NPN

SINGLE

NO

.3 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

20

150 Cel

SILICON

400 V

600 ns

10000 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

ME3001

Onsemi

BB308BRLRE

Onsemi

PNP

SINGLE

NO

320 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

150 Cel

SILICON

25 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

BC447RLRE

Onsemi

PNP

SINGLE

NO

200 MHz

.3 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

50

150 Cel

SILICON

80 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

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