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

3N79

Texas Instruments

NPN

SINGLE

NO

30 MHz

.3 W

.02 A

METAL

CHOPPER

WIRE

ROUND

1

4

CYLINDRICAL

Other Transistors

175 Cel

SILICON

12 V

BOTTOM

O-MBCY-W4

COLLECTOR

Not Qualified

TO-72

NOT SPECIFIED

NOT SPECIFIED

A8T4029

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

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N708

Texas Instruments

NPN

SINGLE

NO

300 MHz

.36 W

.2 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

200 Cel

SILICON

15 V

BOTTOM

O-MBCY-W3

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

2N2664

Texas Instruments

PNP

SINGLE

NO

15 W

3 A

METAL

SWITCHING

WIRE

UNSPECIFIED

1

3

POST/STUD MOUNT

Other Transistors

15

100 Cel

GERMANIUM

50 V

UPPER

X-MUPM-W3

COLLECTOR

Not Qualified

A8T3711

Texas Instruments

NPN

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

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

2N2223A

Texas Instruments

NPN

SEPARATE, 2 ELEMENTS

NO

50 MHz

.6 W

.5 A

METAL

AMPLIFIER

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

25

200 Cel

SILICON

60 V

BOTTOM

O-MBCY-W6

ISOLATED

Not Qualified

TO-78

NOT SPECIFIED

NOT SPECIFIED

2N336

Texas Instruments

NPN

SINGLE

NO

7 MHz

.15 W

.025 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

76

175 Cel

SILICON

BOTTOM

O-MBCY-W3

ISOLATED

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

A5T5221

Texas Instruments

PNP

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

2N2805

Texas Instruments

PNP

SEPARATE, 2 ELEMENTS

NO

60 MHz

.25 W

.03 A

METAL

AMPLIFIER

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

40

175 Cel

SILICON

20 V

BOTTOM

O-MBCY-W6

ISOLATED

Not Qualified

LOW NOISE

TO-78

NOT SPECIFIED

NOT SPECIFIED

2N2670

Texas Instruments

PNP

SINGLE

NO

.3 MHz

15 W

3 A

METAL

SWITCHING

WIRE

UNSPECIFIED

1

3

POST/STUD MOUNT

Other Transistors

25

100 Cel

GERMANIUM

50 V

UPPER

X-MUPM-W3

COLLECTOR

Not Qualified

A5T5226

Texas Instruments

PNP

SINGLE

NO

50 MHz

.625 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2N498

Texas Instruments

NPN

SINGLE

NO

4 W

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

12

200 Cel

SILICON

100 V

-65 Cel

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

2N1717

Texas Instruments

NPN

SINGLE

NO

50 MHz

.8 W

1 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

175 Cel

SILICON

100 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

A5T4402

Texas Instruments

PNP

SINGLE

NO

150 MHz

.625 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

40 V

35 ns

255 ns

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2N3680

Texas Instruments

NPN

SEPARATE, 2 ELEMENTS

NO

60 MHz

.3 W

.03 A

METAL

AMPLIFIER

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

300

175 Cel

SILICON

50 V

BOTTOM

O-MBCY-W6

ISOLATED

Not Qualified

LOW NOISE

TO-78

NOT SPECIFIED

NOT SPECIFIED

2N2303

Texas Instruments

PNP

SINGLE

NO

60 MHz

.6 W

.5 A

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

75

175 Cel

SILICON

35 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

2N2060

Texas Instruments

NPN

SEPARATE, 2 ELEMENTS

NO

60 MHz

.5 W

.5 A

METAL

AMPLIFIER

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

40

200 Cel

SILICON

60 V

BOTTOM

O-MBCY-W6

ISOLATED

Not Qualified

TO-78

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

A5T2193

Texas Instruments

NPN

SINGLE

NO

50 MHz

.625 W

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

15

150 Cel

SILICON

50 V

200 ns

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2N2567

Texas Instruments

PNP

SINGLE

NO

.25 MHz

20 W

3.5 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

100 Cel

GERMANIUM

60 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

2N1973

Texas Instruments

NPN

SINGLE

NO

60 MHz

.8 W

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

175 Cel

SILICON

60 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

HIGH RELIABILITY

TO-39

NOT SPECIFIED

NOT SPECIFIED

A5T5225

Texas Instruments

NPN

SINGLE

NO

50 MHz

.625 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

A8T4059

Texas Instruments

PNP

SINGLE

NO

.625 W

.03 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

45

150 Cel

SILICON

30 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

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

2N1154

Texas Instruments

NPN

SINGLE

NO

.75 W

.06 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

2N3352

Texas Instruments

PNP

SEPARATE, 2 ELEMENTS

NO

60 MHz

.6 W

.03 A

METAL

AMPLIFIER

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

150

200 Cel

SILICON

45 V

BOTTOM

O-MBCY-W6

ISOLATED

Not Qualified

LOW NOISE

A5T5058

Texas Instruments

NPN

SINGLE

NO

30 MHz

.8 W

.15 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

150 Cel

SILICON

300 V

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2N870

Texas Instruments

NPN

SINGLE

NO

50 MHz

.5 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-18

NOT SPECIFIED

NOT SPECIFIED

3N34

Texas Instruments

NPN

SINGLE

NO

100 MHz

.125 W

.02 A

METAL

AMPLIFIER

WIRE

ROUND

1

4

CYLINDRICAL

Other Transistors

150 Cel

SILICON

30 V

BOTTOM

O-MBCY-W4

ISOLATED

Not Qualified

TO-12

NOT SPECIFIED

NOT SPECIFIED

2N1050B

Texas Instruments

NPN

SINGLE

NO

.125 MHz

1 W

.75 A

METAL

SWITCHING

WIRE

ROUND

1

3

POST/STUD MOUNT

Other Transistors

30

200 Cel

SILICON

BOTTOM

O-MBPM-W3

COLLECTOR

Not Qualified

2N721

Texas Instruments

PNP

SINGLE

NO

50 MHz

.4 W

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

175 Cel

SILICON

35 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

2N337

Texas Instruments

NPN

SINGLE

NO

10 MHz

.125 W

.02 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

150 Cel

SILICON

30 V

50 ns

100 ns

BOTTOM

O-MBCY-W3

ISOLATED

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

2N717

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

A5T404

Texas Instruments

PNP

SINGLE

NO

4 MHz

.625 W

.15 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

24

150 Cel

SILICON

24 V

120 ns

470 ns

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

D2T2219A

Texas Instruments

NPN

SEPARATE, 2 ELEMENTS

NO

300 MHz

.4 W

.8 A

METAL

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

50

175 Cel

SILICON

40 V

35 ns

285 ns

BOTTOM

O-MBCY-W6

ISOLATED

Not Qualified

TO-78

NOT SPECIFIED

NOT SPECIFIED

2N2803

Texas Instruments

PNP

SEPARATE, 2 ELEMENTS

NO

60 MHz

.25 W

.03 A

METAL

AMPLIFIER

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

20

175 Cel

SILICON

20 V

BOTTOM

O-MBCY-W6

ISOLATED

Not Qualified

LOW NOISE

TO-78

NOT SPECIFIED

NOT SPECIFIED

TIS99

Texas Instruments

NPN

SINGLE

NO

200 MHz

.36 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

55

150 Cel

SILICON

65 V

BOTTOM

O-PBCY-W3

Not Qualified

LOW NOISE

NOT SPECIFIED

NOT SPECIFIED

A5T3710

Texas Instruments

NPN

SINGLE

NO

.36 W

.03 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

90

150 Cel

SILICON

30 V

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2N3347

Texas Instruments

PNP

SEPARATE, 2 ELEMENTS

NO

60 MHz

.6 W

.03 A

METAL

AMPLIFIER

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

60

200 Cel

SILICON

45 V

BOTTOM

O-MBCY-W6

ISOLATED

Not Qualified

LOW NOISE

NOT SPECIFIED

NOT SPECIFIED

2N2644

Texas Instruments

NPN

SEPARATE, 2 ELEMENTS

NO

35 MHz

.3 W

.03 A

METAL

AMPLIFIER

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

130

175 Cel

SILICON

45 V

TIN LEAD

BOTTOM

O-MBCY-W6

ISOLATED

Not Qualified

LOW NOISE

TO-78

e0

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

2N3253

Texas Instruments

NPN

SINGLE

NO

175 MHz

1 W

1 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

175 Cel

SILICON

40 V

50 ns

70 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-39

NOT SPECIFIED

NOT SPECIFIED

2N1039

Texas Instruments

PNP

SINGLE

NO

20 W

3 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

100 Cel

GERMANIUM

40 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

A5T4126

Texas Instruments

PNP

SINGLE

NO

250 MHz

.31 W

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

135 Cel

SILICON

25 V

26 ns

82 ns

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

TIS133

Texas Instruments

NPN

SINGLE

NO

250 MHz

.7 W

.5 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

30 V

35 ns

60 ns

BOTTOM

O-PBCY-W3

Not Qualified

HIGH CURRENT DRIVER

NOT SPECIFIED

NOT SPECIFIED

2N333

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

TO-5

NOT SPECIFIED

NOT SPECIFIED

A8T3709

Texas Instruments

NPN

SINGLE

NO

.625 W

.03 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

45

150 Cel

SILICON

30 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

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