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

BF368

Onsemi

NPN

SINGLE

NO

250 MHz

.31 W

.05 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

135 Cel

SILICON

15 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

ECH8502-TL

Onsemi

NPN AND PNP

YES

1.6 W

5 A

BIP General Purpose Small Signal

200

150 Cel

MPSA05RL

Onsemi

NPN

SINGLE

NO

100 MHz

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

100

150 Cel

SILICON

60 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

MPS4126RLRM

Onsemi

PNP

SINGLE

NO

170 MHz

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

60

150 Cel

SILICON

25 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

KSC2881O

Onsemi

NPN

SINGLE

YES

120 MHz

.8 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

80

SILICON

120 V

SINGLE

R-PSSO-F3

CPH3240-TL-E

Onsemi

Tin/Bismuth (Sn/Bi)

1

e6

30

260

MPS4250ARLRM

Onsemi

PNP

SINGLE

NO

.625 W

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

250

150 Cel

SILICON

40 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

MPSA27RLRMG

Onsemi

NPN

DARLINGTON

NO

125 MHz

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

10000

150 Cel

SILICON

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

SMMJT350T1G

Onsemi

PNP

SINGLE

YES

2.75 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

20

150 Cel

SILICON

300 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G4

1

COLLECTOR

TO-261AA

e3

30

260

AEC-Q101

MPS404ARLRE

Onsemi

PNP

SINGLE

NO

.15 A

PLASTIC/EPOXY

CHOPPER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

30

150 Cel

SILICON

35 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

BC239RLRM

Onsemi

NPN

SINGLE

NO

280 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

150 Cel

SILICON

25 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

NST1009XV6T1

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

180 MHz

.5 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

120

150 Cel

SILICON

60 V

TIN LEAD

DUAL

R-PDSO-F6

Not Qualified

e0

NSBA114YF3T5G

Onsemi

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.297 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

80

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-F3

1

BUILT IN BIAS RESISTANCE RATIO IS 4.7

e3

NOT SPECIFIED

260

2N4288

Onsemi

PNP

SINGLE

NO

40 MHz

.25 W

.1 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

150

150 Cel

8 pF

SILICON

25 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

MPSW63RL1

Onsemi

PNP

DARLINGTON

NO

125 MHz

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

10000

150 Cel

SILICON

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

MPS2369RL

Onsemi

NPN

SINGLE

NO

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

20

150 Cel

SILICON

15 V

12 ns

18 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

2N4290

Onsemi

PNP

SINGLE

NO

100 MHz

.25 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

20 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

FJX733R

Onsemi

PNP

SINGLE

YES

50 MHz

.15 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

50 V

DUAL

R-PDSO-G3

KSC1815YTA-Y

Onsemi

NPN

SINGLE

NO

80 MHz

.4 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.25 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.4 W

120

150 Cel

3 pF

SILICON

50 V

BOTTOM

O-PBCY-T3

TO-92

2N5089RL

Onsemi

NPN

SINGLE

NO

50 MHz

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

400

150 Cel

SILICON

25 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

KSC900L-C

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

NSB1011XV6T5

Onsemi

NPN

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

35

SILICON

50 V

TIN

DUAL

R-PDSO-F6

1

Not Qualified

BUILT IN BIAS RESISTOR RATIO 1

e3

30

260

BC449A

Onsemi

NPN

SINGLE

NO

200 MHz

.625 W

.3 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

150 Cel

SILICON

100 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-226AA

e0

235

NSBC114YDXV6T5G

Onsemi

NPN

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

80

150 Cel

SILICON

50 V

MATTE TIN

DUAL

R-PDSO-F6

1

Not Qualified

BUILT IN BIAS RESISTOR RATIO 4.7

e3

30

260

SBCW30LT3

Onsemi

PNP

SINGLE

YES

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

215

SILICON

32 V

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e0

2N4967

Onsemi

NPN

SINGLE

NO

40 MHz

.2 W

.1 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

6 pF

SILICON

40 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

EMD5DXV6T1G

Onsemi

NPN AND PNP

YES

.5 W

.1 A

2

BIP General Purpose Small Signal

20

SILICON

TIN

1

e3

260

NSBC114EF3T5G

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.297 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

35

150 Cel

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-F3

1

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

e3

NOT SPECIFIED

NOT SPECIFIED

BC369RLRM

Onsemi

PNP

SINGLE

NO

65 MHz

1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

60

150 Cel

SILICON

20 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

BC206

Onsemi

MUN2215T3

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

160

150 Cel

SILICON

50 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

BUILT IN BIAS RESISTOR

e0

MUN2211T1

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

35

SILICON

50 V

TIN LEAD

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

e0

30

235

MPS2369ARLRPG

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

FJX945

Onsemi

NPN

SINGLE

YES

300 MHz

.2 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

.2 W

70

150 Cel

2.5 pF

SILICON

50 V

DUAL

R-PDSO-G3

MPSW14RL

Onsemi

NPN

DARLINGTON

NO

125 MHz

1 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

2N3397

Onsemi

NPN

SINGLE

NO

.36 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

.36 W

55

150 Cel

10 pF

SILICON

25 V

-65 Cel

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e0

BFS62

Onsemi

2N3396

Onsemi

NPN

SINGLE

NO

.36 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

.36 W

90

150 Cel

10 pF

SILICON

25 V

-65 Cel

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e0

MUN2240T1

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.338 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

160

SILICON

50 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR

e0

235

2N4264

Onsemi

NPN

SINGLE

NO

300 MHz

.31 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

135 Cel

SILICON

15 V

25 ns

35 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

KST5550MTF

Onsemi

NPN

SINGLE

YES

100 MHz

.35 W

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20

150 Cel

SILICON

140 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BC640-16

Onsemi

PNP

SINGLE

NO

150 MHz

1.5 W

.5 A

PLASTIC/EPOXY

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

BF393ZL1G

Onsemi

NPN

SINGLE

NO

50 MHz

.625 W

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

300 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e1

260

BC618RLRE

Onsemi

NPN

DARLINGTON

NO

150 MHz

1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

4000

150 Cel

SILICON

55 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

MPSL01RL

Onsemi

NPN

SINGLE

NO

60 MHz

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

50

150 Cel

SILICON

120 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

BC548BRL

Onsemi

NPN

SINGLE

NO

300 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

150 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

MPSA44

Onsemi

NPN

SINGLE

NO

20 MHz

.625 W

.3 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

400 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

30

235

MPSA29RL

Onsemi

NPN

DARLINGTON

NO

200 MHz

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

10000

150 Cel

SILICON

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

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