.1 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

A5T5219

Texas Instruments

NPN

SINGLE

NO

150 MHz

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

150 Cel

SILICON

15 V

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

A5T3497

Texas Instruments

PNP

SINGLE

NO

150 MHz

.625 W

.1 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

120 V

300 ns

1000 ns

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

A8T3391A

Texas Instruments

NPN

SINGLE

NO

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

250

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

A5T5223

Texas Instruments

NPN

SINGLE

NO

150 MHz

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

20 V

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

A7T3391A

Texas Instruments

NPN

SINGLE

NO

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

250

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N5223

Texas Instruments

NPN

SINGLE

NO

150 MHz

.62 W

.1 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

NOT SPECIFIED

NOT SPECIFIED

2N3497

Texas Instruments

PNP

SINGLE

NO

150 MHz

.4 W

.1 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

175 Cel

SILICON

120 V

300 ns

1000 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

LOW NOISE

TO-18

NOT SPECIFIED

NOT SPECIFIED

TIS101

Texas Instruments

NPN

SINGLE

NO

80 MHz

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

150 Cel

SILICON

150 V

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2N3494

Texas Instruments

PNP

SINGLE

NO

200 MHz

.6 W

.1 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

175 Cel

SILICON

80 V

300 ns

1000 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

LOW NOISE

TO-5

NOT SPECIFIED

NOT SPECIFIED

A8T5172

Texas Instruments

NPN

SINGLE

NO

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N915

Texas Instruments

NPN

SINGLE

NO

250 MHz

1.2 W

.1 A

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

200 Cel

SILICON

50 V

BOTTOM

O-MBCY-W3

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

LP395Z

Texas Instruments

NPN

SINGLE

NO

.1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

SILICON

36 V

BOTTOM

O-PBCY-T3

1

Not Qualified

LOGIC LEVEL COMPATIBLE

TO-92

A7T3392

Texas Instruments

NPN

SINGLE

NO

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

150

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

JAN2N2944A

Texas Instruments

PNP

SINGLE

NO

.1 A

METAL

CHOPPER

WIRE

ROUND

1

3

CYLINDRICAL

100

SILICON

10 V

150 ns

450 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

A5T4250

Texas Instruments

PNP

SINGLE

NO

50 MHz

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

250

150 Cel

SILICON

40 V

BOTTOM

O-PBCY-W3

Not Qualified

LOW NOISE

NOT SPECIFIED

NOT SPECIFIED

A5T5172

Texas Instruments

NPN

SINGLE

NO

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

A8T3391

Texas Instruments

NPN

SINGLE

NO

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

250

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

A5T3392

Texas Instruments

NPN

SINGLE

NO

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

150

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

A7T3391

Texas Instruments

NPN

SINGLE

NO

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

250

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N6464

Texas Instruments

NPN

SINGLE

NO

70 MHz

1 W

.1 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

200 Cel

SILICON

250 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-39

NOT SPECIFIED

NOT SPECIFIED

2N1142

Texas Instruments

PNP

SINGLE

NO

310 MHz

.75 W

.1 A

1

Other Transistors

10

100 Cel

SILICON

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

A8T3392

Texas Instruments

NPN

SINGLE

NO

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

150

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N6462

Texas Instruments

NPN

SINGLE

NO

70 MHz

1 W

.1 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

200 Cel

SILICON

300 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-39

NOT SPECIFIED

NOT SPECIFIED

2N2432A

Texas Instruments

NPN

SINGLE

NO

20 MHz

.3 W

.1 A

METAL

CHOPPER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

200 Cel

SILICON

45 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

2N2432

Texas Instruments

NPN

SINGLE

NO

20 MHz

.3 W

.1 A

METAL

CHOPPER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

175 Cel

SILICON

30 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

2N6463

Texas Instruments

NPN

SINGLE

NO

70 MHz

1 W

.1 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

200 Cel

SILICON

250 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-39

NOT SPECIFIED

NOT SPECIFIED

2N916

Texas Instruments

NPN

SINGLE

NO

300 MHz

1.2 W

.1 A

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

200 Cel

SILICON

25 V

BOTTOM

O-MBCY-W3

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

A5T4249

Texas Instruments

PNP

SINGLE

NO

40 MHz

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

60 V

BOTTOM

O-PBCY-W3

Not Qualified

LOW NOISE

NOT SPECIFIED

NOT SPECIFIED

2N6461

Texas Instruments

NPN

SINGLE

NO

70 MHz

1 W

.1 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

200 Cel

SILICON

300 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-39

NOT SPECIFIED

NOT SPECIFIED

A5T4248

Texas Instruments

PNP

SINGLE

NO

40 MHz

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

40 V

BOTTOM

O-PBCY-W3

Not Qualified

LOW NOISE

NOT SPECIFIED

NOT SPECIFIED

2N3495

Texas Instruments

PNP

SINGLE

NO

150 MHz

.6 W

.1 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

175 Cel

SILICON

120 V

300 ns

1000 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

LOW NOISE

TO-5

NOT SPECIFIED

NOT SPECIFIED

2N5219

Texas Instruments

NPN

SINGLE

NO

150 MHz

.62 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

150 Cel

SILICON

15 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

A5T3391A

Texas Instruments

NPN

SINGLE

NO

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

250

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

A7T5172

Texas Instruments

NPN

SINGLE

NO

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N4138

Texas Instruments

NPN

SINGLE

NO

20 MHz

.3 W

.1 A

METAL

CHOPPER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

175 Cel

SILICON

30 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-46

NOT SPECIFIED

NOT SPECIFIED

2N2944

Texas Instruments

PNP

SINGLE

NO

10 MHz

.4 W

.1 A

METAL

CHOPPER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

80

175 Cel

SILICON

10 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-46

NOT SPECIFIED

NOT SPECIFIED

2N404

Texas Instruments

PNP

SINGLE

NO

4 MHz

.15 W

.1 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

24

100 Cel

GERMANIUM

24 V

BOTTOM

O-MBCY-W3

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

2N2945

Texas Instruments

PNP

SINGLE

NO

5 MHz

.4 W

.1 A

METAL

CHOPPER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

200 Cel

SILICON

20 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-46

NOT SPECIFIED

NOT SPECIFIED

2N3051

Texas Instruments

PNP

SEPARATE, 2 ELEMENTS

YES

60 MHz

.35 W

.1 A

METAL

AMPLIFIER

FLAT

RECTANGULAR

2

6

FLATPACK

Other Transistors

20

200 Cel

SILICON

20 V

35 ns

150 ns

DUAL

R-MDFP-F6

ISOLATED

Not Qualified

LOW NOISE

NOT SPECIFIED

NOT SPECIFIED

2N3050

Texas Instruments

PNP

SEPARATE, 2 ELEMENTS

YES

60 MHz

.35 W

.1 A

METAL

AMPLIFIER

FLAT

RECTANGULAR

2

6

FLATPACK

Other Transistors

20

200 Cel

SILICON

20 V

DUAL

R-MDFP-F6

ISOLATED

Not Qualified

LOW NOISE

NOT SPECIFIED

NOT SPECIFIED

2N404A

Texas Instruments

PNP

SINGLE

NO

4 MHz

.15 W

.1 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

24

100 Cel

GERMANIUM

35 V

BOTTOM

O-MBCY-W3

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

2N2946

Texas Instruments

PNP

SINGLE

NO

3 MHz

.4 W

.1 A

METAL

CHOPPER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

175 Cel

SILICON

35 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-46

NOT SPECIFIED

NOT SPECIFIED

2N3049

Texas Instruments

PNP

SEPARATE, 2 ELEMENTS

YES

60 MHz

.35 W

.1 A

METAL

AMPLIFIER

FLAT

RECTANGULAR

2

6

FLATPACK

Other Transistors

20

200 Cel

SILICON

20 V

DUAL

R-MDFP-F6

ISOLATED

Not Qualified

LOW NOISE

NOT SPECIFIED

NOT SPECIFIED

2N3550

Onsemi

PNP

SINGLE

NO

60 MHz

.4 W

.1 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

175 Cel

SILICON

45 V

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

LOW NOISE

TO-18

e0

2N3860

Onsemi

NPN

SINGLE

NO

90 MHz

.62 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.125 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

150

150 Cel

4 pF

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

2N3845A

Onsemi

NPN

SINGLE

NO

120 MHz

.2 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

125 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

e0

2N3856

Onsemi

NPN

SINGLE

NO

140 MHz

.62 W

.1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

18 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

2N3547

Onsemi

PNP

SINGLE

NO

45 MHz

.4 W

.1 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

175 Cel

SILICON

60 V

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

LOW NOISE

TO-18

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