.2 A Small Signal Bipolar Junction Transistors (BJT) 2,050

Reset All
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

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

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

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

2N3904RL1

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

250 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

235

2N4264RLRM

Onsemi

NPN

SINGLE

NO

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

40

150 Cel

SILICON

15 V

25 ns

35 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

KSA539CYTA

Onsemi

PNP

SINGLE

NO

.4 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

150 Cel

SILICON

45 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MPSA18ZL1

Onsemi

NPN

SINGLE

NO

160 MHz

.2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

500

150 Cel

SILICON

45 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

2N4264RLRE

Onsemi

NPN

SINGLE

NO

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

40

150 Cel

SILICON

15 V

25 ns

35 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

2N4264RLRA

Onsemi

NPN

SINGLE

NO

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

40

150 Cel

SILICON

15 V

25 ns

35 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

NUS2401SNT1

Onsemi

NPN AND PNP

COMPLEX

YES

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

3

6

SMALL OUTLINE

Other Transistors

150

SILICON

50 V

TIN LEAD

DUAL

R-PDSO-G6

Not Qualified

BUILT IN BIAS RESISTORS

e0

235

MPS4124G

Onsemi

NPN

SINGLE

NO

170 MHz

.625 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

150 Cel

SILICON

25 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

MPS2369AZL1

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 LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

MPS4126ZL1

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

EUROPEAN PART NUMBER

TO-92

e0

MPS4124RL1

Onsemi

NPN

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

EUROPEAN PART NUMBER

TO-92

e0

2N3905RLRE

Onsemi

PNP

SINGLE

NO

200 MHz

.2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

15

150 Cel

SILICON

40 V

70 ns

260 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

KSC815CYTA

Onsemi

NPN

SINGLE

NO

200 MHz

.2 A

PLASTIC/EPOXY

AMPLIFIER

.4 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

150 Cel

SILICON

45 V

BOTTOM

O-PBCY-T3

TO-92

PN4917

Onsemi

PNP

SINGLE

NO

.625 W

.2 A

PLASTIC/EPOXY

SWITCHING

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.625 W

4.5

150 Cel

4.5 pF

SILICON

30 V

40 ns

-55 Cel

150 ns

BOTTOM

O-PBCY-T3

TO-92

FFB3904

Onsemi

NPN

SEPARATE, 2 ELEMENTS

YES

250 MHz

.3 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

38 ns

175 ns

TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

MPS3906RLRM

Onsemi

PNP

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

30

150 Cel

SILICON

40 V

85 ns

690 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

2N3904RLRP

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

250 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

MPS2369RLRE

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

TO-92

e0

MPS3906RL

Onsemi

PNP

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

30

150 Cel

SILICON

40 V

85 ns

690 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

MPSA18RLRMG

Onsemi

NPN

SINGLE

NO

160 MHz

.625 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

500

150 Cel

SILICON

45 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e1

260

MPSA18RLRA

Onsemi

NPN

SINGLE

NO

160 MHz

.625 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

500

150 Cel

SILICON

45 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e0

235

MPS4124

Onsemi

NPN

SINGLE

NO

170 MHz

.625 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

150 Cel

SILICON

25 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

MPS4250

Onsemi

PNP

SINGLE

NO

40 MHz

.2 W

.2 A

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

BC179C

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

20 V

Tin/Lead (Sn/Pb)

BOTTOM

O-MBCY-W3

Not Qualified

TO-18

e0

MPS2369A

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 LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

2N3903RL1

Onsemi

NPN

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

15

150 Cel

SILICON

40 V

70 ns

225 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

MPSA18RLRE

Onsemi

NPN

SINGLE

NO

160 MHz

.2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

500

150 Cel

SILICON

45 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

FMB3906

Onsemi

PNP

SEPARATE, 2 ELEMENTS

YES

200 MHz

.7 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

KST3904MTF

Onsemi

NPN

SINGLE

YES

300 MHz

.35 W

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

SILICON

40 V

70 ns

250 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

MPS2369ARLRP

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 LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

MPSA18G

Onsemi

NPN

SINGLE

NO

160 MHz

.625 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

500

150 Cel

SILICON

45 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e1

260

MPS4124RLRM

Onsemi

NPN

SINGLE

NO

170 MHz

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

60

SILICON

25 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

2N4264RL

Onsemi

NPN

SINGLE

NO

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

40

150 Cel

SILICON

15 V

25 ns

35 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

2N3903RL

Onsemi

NPN

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

15

150 Cel

SILICON

40 V

70 ns

225 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

MPS3906RLRA

Onsemi

PNP

SINGLE

NO

250 MHz

.625 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

40 V

85 ns

690 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

2N3933

Onsemi

PNP

SINGLE

200 MHz

.2 A

1

SILICON

40 V

Tin/Lead (Sn/Pb)

e0

MPS4126

Onsemi

PNP

SINGLE

NO

170 MHz

.625 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

150 Cel

SILICON

25 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

KSC815YTA

Onsemi

NPN

SINGLE

NO

200 MHz

.4 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

150 Cel

SILICON

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MPS2369ARLRA

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 LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

2N4935

Onsemi

PNP

SINGLE

.2 A

1

SILICON

200 V

MPS4124RLRA

Onsemi

NPN

SINGLE

NO

170 MHz

.625 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

150 Cel

SILICON

25 V

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

NOT SPECIFIED

235

2N3903RLRM

Onsemi

NPN

SINGLE

NO

250 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

15

150 Cel

SILICON

40 V

70 ns

225 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

MPSA18RLRM

Onsemi

NPN

SINGLE

NO

160 MHz

.625 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

500

150 Cel

SILICON

45 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e0

235

MPS3906RLRE

Onsemi

PNP

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

30

150 Cel

SILICON

40 V

85 ns

690 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

PN2369

Onsemi

NPN

SINGLE

NO

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

20

SILICON

15 V

12 ns

18 ns

BOTTOM

O-PBCY-T3

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