NO 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

2N1155

Texas Instruments

NPN

SINGLE

NO

.75 W

.05 A

METAL

WIRE

ROUND

1

3

FLANGE MOUNT

Other Transistors

9

150 Cel

SILICON

BOTTOM

O-MBFM-W3

ISOLATED

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

TIS100

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

180 V

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

A5T5086

Texas Instruments

PNP

SINGLE

NO

40 MHz

.625 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

150

150 Cel

SILICON

50 V

BOTTOM

O-PBCY-W3

Not Qualified

LOW NOISE

NOT SPECIFIED

NOT SPECIFIED

2N999

Texas Instruments

NPN

DARLINGTON

NO

.5 W

.5 A

METAL

WIRE

ROUND

1

4

CYLINDRICAL

Other Transistors

1000

200 Cel

SILICON

60 V

BOTTOM

O-MBCY-W4

COLLECTOR

Not Qualified

TO-72

NOT SPECIFIED

NOT SPECIFIED

A5T3906

Texas Instruments

PNP

SINGLE

NO

250 MHz

.36 W

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

80

140 Cel

SILICON

40 V

70 ns

300 ns

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

3N108

Texas Instruments

PNP

SINGLE

NO

12 MHz

.02 A

METAL

CHOPPER

WIRE

ROUND

1

4

CYLINDRICAL

Other Transistors

SILICON

50 V

BOTTOM

O-MBCY-W4

COLLECTOR

Not Qualified

TO-72

NOT SPECIFIED

NOT SPECIFIED

2N1150

Texas Instruments

NPN

SINGLE

NO

5 MHz

.15 W

.025 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

18

175 Cel

SILICON

BOTTOM

O-MBCY-W3

ISOLATED

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

LM394BH

Texas Instruments

NPN

SEPARATE, 2 ELEMENTS WITH BUILT-IN DIODE

NO

.5 W

.02 A

METAL

WIRE

ROUND

2

6

CYLINDRICAL

225

85 Cel

SILICON

35 V

-25 Cel

BOTTOM

O-MBCY-W6

LOW NOISE

TO-5

LM194H/883

Texas Instruments

NPN

SEPARATE, 2 ELEMENTS WITH BUILT-IN DIODE

NO

.02 A

METAL

SWITCHING

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

350

125 Cel

SILICON

35 V

-55 Cel

Tin/Lead (Sn63Pb37)

BOTTOM

O-MBCY-W6

1

ISOLATED

Not Qualified

LOW NOISE

TO-99

e0

40

260

MIL-STD-883

2N342

Texas Instruments

NPN

SINGLE

NO

1 W

.06 A

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

150 Cel

SILICON

60 V

BOTTOM

O-MBCY-W3

ISOLATED

Not Qualified

TO-11

NOT SPECIFIED

NOT SPECIFIED

A5T5220

Texas Instruments

NPN

SINGLE

NO

100 MHz

.625 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

15 V

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2N5221

Texas Instruments

PNP

SINGLE

NO

100 MHz

.35 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

15 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N3420

Texas Instruments

NPN

SINGLE

NO

40 MHz

1 W

3 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

15

200 Cel

SILICON

60 V

300 ns

1200 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

A5T4124

Texas Instruments

NPN

SINGLE

NO

300 MHz

.31 W

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

135 Cel

SILICON

25 V

22 ns

32 ns

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

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

2N3485

Texas Instruments

PNP

SINGLE

NO

200 MHz

2 W

.6 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

175 Cel

SILICON

40 V

50 ns

110 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-46

NOT SPECIFIED

NOT SPECIFIED

A5T3565

Texas Instruments

NPN

SINGLE

NO

40 MHz

.625 W

.05 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

2N2604

Texas Instruments

PNP

SINGLE

NO

30 MHz

.4 W

.03 A

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

175 Cel

SILICON

45 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

LOW NOISE

TO-46

NOT SPECIFIED

NOT SPECIFIED

A5T4029

Texas Instruments

PNP

SINGLE

NO

150 MHz

.625 W

1 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

75

150 Cel

SILICON

80 V

100 ns

400 ns

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2N2563

Texas Instruments

PNP

SINGLE

NO

.125 MHz

20 W

3.5 A

METAL

SWITCHING

WIRE

UNSPECIFIED

1

3

POST/STUD MOUNT

Other Transistors

20

100 Cel

GERMANIUM

60 V

UPPER

X-MUPM-W3

COLLECTOR

Not Qualified

2N1715

Texas Instruments

NPN

SINGLE

NO

50 MHz

.8 W

1 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

175 Cel

SILICON

100 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

A5T4403

Texas Instruments

PNP

SINGLE

NO

200 MHz

.625 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

140 Cel

SILICON

40 V

35 ns

255 ns

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

D2T2905A

Texas Instruments

PNP

SEPARATE, 2 ELEMENTS

NO

200 MHz

.4 W

.6 A

METAL

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

100

175 Cel

SILICON

60 V

45 ns

100 ns

BOTTOM

O-MBCY-W6

ISOLATED

Not Qualified

TO-78

NOT SPECIFIED

NOT SPECIFIED

2N1889

Texas Instruments

NPN

SINGLE

NO

50 MHz

.8 W

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

200 Cel

SILICON

60 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

HIGH RELIABILITY

TO-39

NOT SPECIFIED

NOT SPECIFIED

2N3468

Texas Instruments

PNP

SINGLE

NO

150 MHz

1 W

1 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

200 Cel

SILICON

50 V

40 ns

90 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-39

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

2N2221A

Texas Instruments

NPN

SINGLE

NO

250 MHz

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

25

SILICON

40 V

35 ns

285 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-18

D2T2219

Texas Instruments

NPN

SEPARATE, 2 ELEMENTS

NO

250 MHz

.4 W

.8 A

METAL

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

50

175 Cel

SILICON

30 V

BOTTOM

O-MBCY-W6

ISOLATED

Not Qualified

TO-78

NOT SPECIFIED

NOT SPECIFIED

2N719

Texas Instruments

NPN

SINGLE

NO

40 MHz

.4 W

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

175 Cel

SILICON

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

HIGH RELIABILITY

TO-18

NOT SPECIFIED

NOT SPECIFIED

TI156L

Texas Instruments

PNP

SINGLE

NO

.22 MHz

1 W

3 A

METAL

SWITCHING

SOLDER LUG

ROUND

1

3

FLANGE MOUNT

Other Transistors

15

100 Cel

GERMANIUM

30 V

UPPER

O-MUFM-D3

COLLECTOR

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2N3903

Texas Instruments

NPN

SINGLE

NO

250 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

150 Cel

SILICON

40 V

70 ns

225 ns

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N3419

Texas Instruments

NPN

SINGLE

NO

40 MHz

1 W

3 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

10

200 Cel

SILICON

80 V

300 ns

1200 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

2N339

Texas Instruments

NPN

SINGLE

NO

1 W

.06 A

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

150 Cel

SILICON

55 V

BOTTOM

O-MBCY-W3

ISOLATED

Not Qualified

TO-11

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

2N3905

Texas Instruments

PNP

SINGLE

NO

200 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

40 V

70 ns

260 ns

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

LM394N

Texas Instruments

NPN

SEPARATE, 2 ELEMENTS

NO

.02 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

2

8

IN-LINE

Other Transistors

300

85 Cel

SILICON

35 V

Tin/Lead (Sn/Pb)

DUAL

R-PDIP-T8

Not Qualified

LOW NOISE

e0

TIS112

Texas Instruments

PNP

SINGLE

NO

200 MHz

.36 W

.6 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

40 V

45 ns

140 ns

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

A5T4058

Texas Instruments

PNP

SINGLE

NO

.36 W

.03 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

30 V

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2N956

Texas Instruments

NPN

SINGLE

NO

70 MHz

.5 W

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

200 Cel

SILICON

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

HIGH RELIABILITY

TO-18

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

2N2586

Texas Instruments

NPN

SINGLE

NO

45 MHz

.3 W

.03 A

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

150

200 Cel

SILICON

45 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

LOW NOISE

TO-18

NOT SPECIFIED

NOT SPECIFIED

2N5058

Texas Instruments

NPN

SINGLE

NO

30 MHz

1 W

.15 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

175 Cel

SILICON

300 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-39

NOT SPECIFIED

NOT SPECIFIED

A5T5550

Texas Instruments

NPN

SINGLE

NO

100 MHz

.625 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

150 Cel

SILICON

140 V

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

A8T4062

Texas Instruments

PNP

SINGLE

NO

.625 W

.03 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

180

150 Cel

SILICON

30 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N5449

Texas Instruments

NPN

SINGLE

NO

100 MHz

.36 W

.8 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

30 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N5448

Texas Instruments

PNP

SINGLE

NO

100 MHz

.62 W

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

30 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

TI486

Texas Instruments

NPN

SINGLE

NO

50 MHz

1 W

1 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

175 Cel

SILICON

60 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

TIS92M

Texas Instruments

NPN

SINGLE

NO

.4 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

SILICON

40 V

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

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