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

A8T4028

Texas Instruments

PNP

SINGLE

NO

150 MHz

.625 W

1 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

75

150 Cel

SILICON

60 V

100 ns

400 ns

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N3351

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

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

2N1994

Texas Instruments

NPN

NO

.15 W

.3 A

1

BIP General Purpose Small Signal

15

GERMANIUM

2N2641

Texas Instruments

NPN

SEPARATE, 2 ELEMENTS

NO

35 MHz

.3 W

.03 A

METAL

AMPLIFIER

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

65

175 Cel

SILICON

45 V

BOTTOM

O-MBCY-W6

ISOLATED

Not Qualified

LOW NOISE

TO-78

NOT SPECIFIED

NOT SPECIFIED

TIS93M

Texas Instruments

PNP

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

2N2562

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

50 V

UPPER

X-MUPM-W3

COLLECTOR

Not Qualified

3N75

Texas Instruments

NPN

SINGLE

NO

30 MHz

.3 W

.02 A

METAL

CHOPPER

WIRE

ROUND

1

4

CYLINDRICAL

Other Transistors

175 Cel

SILICON

18 V

BOTTOM

O-MBCY-W4

COLLECTOR

Not Qualified

TO-72

NOT SPECIFIED

NOT SPECIFIED

A5T2604

Texas Instruments

PNP

SINGLE

NO

30 MHz

.625 W

.03 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

150 Cel

SILICON

45 V

BOTTOM

O-PBCY-W3

Not Qualified

LOW NOISE

NOT SPECIFIED

NOT SPECIFIED

TIS90M

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

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N2223

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

2N743

Texas Instruments

NPN

SINGLE

NO

250 MHz

.3 W

.2 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

200 Cel

SILICON

12 V

BOTTOM

O-MBCY-W3

Not Qualified

TO-18

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

2N1890

Texas Instruments

NPN

SINGLE

NO

60 MHz

.8 W

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

200 Cel

SILICON

60 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

HIGH RELIABILITY

TO-39

NOT SPECIFIED

NOT SPECIFIED

2N2540

Texas Instruments

NPN

SINGLE

NO

250 MHz

.5 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

200 Cel

SILICON

30 V

40 ns

40 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-18

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

2N1048

Texas Instruments

NPN

SINGLE

NO

1 W

.5 A

METAL

SWITCHING

WIRE

ROUND

1

3

POST/STUD MOUNT

Other Transistors

12

200 Cel

SILICON

BOTTOM

O-MBPM-W3

COLLECTOR

Not Qualified

2N726

Texas Instruments

PNP

SINGLE

NO

140 MHz

.3 W

.05 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

15

175 Cel

SILICON

20 V

BOTTOM

O-MBCY-W3

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

2N3348

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

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

2N731

Texas Instruments

NPN

SINGLE

NO

25 MHz

.5 W

1 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

175 Cel

SILICON

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

HIGH RELIABILITY

TO-18

NOT SPECIFIED

NOT SPECIFIED

A5T3903

Texas Instruments

NPN

SINGLE

NO

250 MHz

.36 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

NOT SPECIFIED

NOT SPECIFIED

2N718A

Texas Instruments

NPN

SINGLE

NO

60 MHz

.5 W

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

200 Cel

SILICON

32 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

HIGH RELIABILITY

TO-18

NOT SPECIFIED

NOT SPECIFIED

2N2663

Texas Instruments

PNP

SINGLE

NO

15 W

3 A

METAL

SWITCHING

WIRE

UNSPECIFIED

1

3

POST/STUD MOUNT

Other Transistors

15

100 Cel

GERMANIUM

40 V

UPPER

X-MUPM-W3

COLLECTOR

Not Qualified

2N2217

Texas Instruments

NPN

SINGLE

NO

250 MHz

.8 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

12

175 Cel

SILICON

30 V

-65 Cel

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

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

2N595

Texas Instruments

NPN

NO

.1 W

BIP General Purpose Small Signal

35

GERMANIUM

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

A8T404

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

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N3964

Texas Instruments

PNP

SINGLE

NO

50 MHz

.36 W

.2 A

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

250

175 Cel

SILICON

45 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

LOW NOISE

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

2N3252

Texas Instruments

NPN

SINGLE

NO

200 MHz

1 W

1 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

175 Cel

SILICON

30 V

45 ns

70 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-39

NOT SPECIFIED

NOT SPECIFIED

2N2565

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

40 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

A5T5209

Texas Instruments

NPN

SINGLE

NO

30 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

A5T2243

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

80 V

BOTTOM

O-PBCY-W3

Not Qualified

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

2N5526

Texas Instruments

NPN

DARLINGTON

NO

200 MHz

.36 W

.2 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

1000

150 Cel

SILICON

30 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

A5T3505

Texas Instruments

PNP

SINGLE

NO

200 MHz

.625 W

.6 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

135

140 Cel

SILICON

60 V

40 ns

100 ns

BOTTOM

O-PBCY-W3

Not Qualified

LOW NOISE

NOT SPECIFIED

NOT SPECIFIED

2N1975

Texas Instruments

NPN

SINGLE

NO

40 MHz

.8 W

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

10

175 Cel

SILICON

60 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

HIGH RELIABILITY

TO-39

NOT SPECIFIED

NOT SPECIFIED

2N3421

Texas Instruments

NPN

SINGLE

NO

40 MHz

1 W

3 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

15

200 Cel

SILICON

80 V

300 ns

1200 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

2N4854

Texas Instruments

NPN AND PNP

SEPARATE, 2 ELEMENTS

NO

200 MHz

.6 A

METAL

SWITCHING

WIRE

ROUND

2

6

CYLINDRICAL

BIP General Purpose Small Signal

50

SILICON

40 V

60 ns

350 ns

BOTTOM

O-MBCY-W6

ISOLATED

Not Qualified

TO-78

NOT SPECIFIED

NOT SPECIFIED

A5T4125

Texas Instruments

PNP

SINGLE

NO

200 MHz

.31 W

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

135 Cel

SILICON

30 V

26 ns

82 ns

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

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

2N911

Texas Instruments

NPN

SINGLE

NO

50 MHz

.5 W

METAL

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

2N1049B

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

2N594

Texas Instruments

NPN

NO

.1 W

BIP General Purpose Small Signal

20

GERMANIUM

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