.8 A Small Signal Bipolar Junction Transistors (BJT) 1,183

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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

BCX19T116

ROHM

NPN

SINGLE

YES

100 MHz

.425 W

.8 A

PLASTIC/EPOXY

AMPLIFIER

.7 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

35

150 Cel

SILICON

45 V

TIN SILVER COPPER

DUAL

R-PDSO-G3

1

Not Qualified

e1

10

260

BCX38C

Diodes Incorporated

NPN

DARLINGTON

NO

1 W

.8 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

10000

200 Cel

SILICON

60 V

MATTE TIN

BOTTOM

O-PBCY-W3

1

Not Qualified

e3

30

260

BCX38CSTOA

Diodes Incorporated

NPN

DARLINGTON

NO

.8 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

10000

SILICON

60 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

10

260

BCX38CSTOB

Zetex Plc

NPN

DARLINGTON

NO

.8 A

PLASTIC/EPOXY

SWITCHING

1.25 V

WIRE

RECTANGULAR

1

3

IN-LINE

2 W

10000

200 Cel

SILICON

60 V

MATTE TIN

SINGLE

R-PSIP-W3

1

Not Qualified

e3

BCX42

Infineon Technologies

PNP

SINGLE

YES

150 MHz

.35 W

.8 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

125 V

DUAL

R-PDSO-G3

1

Not Qualified

TO-236

NOT SPECIFIED

NOT SPECIFIED

BCX42E6433HTMA1

Infineon Technologies

PNP

SINGLE

YES

150 MHz

.8 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

125 V

DUAL

R-PDSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

JANS2N2222AUB

Microchip Technology

NPN

SINGLE

YES

250 MHz

.5 W

.8 A

CERAMIC, METAL-SEALED COFIRED

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

200 Cel

SILICON

50 V

35 ns

300 ns

TIN LEAD

DUAL

R-CDSO-N3

Qualified

e0

MIL-19500/255

JANTX2N2221A

Microchip Technology

NPN

SINGLE

NO

250 MHz

.5 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

175 Cel

SILICON

50 V

35 ns

300 ns

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Qualified

TO-206AA

e0

MIL-19500/255T

JANTX2N2221AL

Microchip Technology

NPN

SINGLE

NO

.5 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

200 Cel

SILICON

50 V

35 ns

300 ns

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Qualified

TO-206AA

e0

MIL-19500/255T

BCW68HR

Diodes Incorporated

PNP

SINGLE

YES

100 MHz

.8 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

180

150 Cel

SILICON

45 V

100 ns

400 ns

DUAL

R-PDSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

CECC50002-234

2N2221

Texas Instruments

NPN

SINGLE

NO

250 MHz

.62 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

200 Cel

SILICON

30 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

2SA1201-Y(TE12L,ZC

Toshiba

PNP

SINGLE

YES

120 MHz

1 W

.8 A

PLASTIC/EPOXY

AMPLIFIER

1 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

.5 W

120

150 Cel

30 pF

SILICON

120 V

SINGLE

R-PSSO-F3

COLLECTOR

NOT SPECIFIED

NOT SPECIFIED

RN1226TPE4

Toshiba

NPN

NO

.3 W

.8 A

1

BIP General Purpose Small Signal

90

SILICON

RN1226(TPE4)

Toshiba

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

300 MHz

.8 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

90

SILICON

50 V

SINGLE

R-PSIP-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 0.1

NOT SPECIFIED

NOT SPECIFIED

2SC2881-Y(TE12L,ZC

Toshiba

NPN

SINGLE

YES

120 MHz

.8 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

120

150 Cel

SILICON

120 V

SINGLE

R-PSSO-F3

COLLECTOR

30

260

2SC2884

Toshiba

NPN

SINGLE

YES

120 MHz

.8 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

1 W

100

150 Cel

SILICON

30 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

JANTX2N6990

Microchip Technology

NPN

SINGLE

YES

.8 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

14

SMALL OUTLINE

30

SILICON

50 V

35 ns

300 ns

TIN LEAD

DUAL

R-PDSO-F14

Qualified

e0

MIL-19500/559

RN2425

Toshiba

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

200 MHz

.2 W

.8 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

90

150 Cel

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

BUILT IN BIAS RESISTOR RATIO 21.28

NOT SPECIFIED

NOT SPECIFIED

BC81716MTF

Onsemi

NPN

SINGLE

YES

100 MHz

.33 W

.8 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

60

150 Cel

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BCW68FE6327HTSA1

Infineon Technologies

PNP

SINGLE

YES

200 MHz

.8 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

35

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

MMBTA28

Onsemi

NPN

DARLINGTON

YES

125 MHz

.35 W

.8 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

10000

150 Cel

SILICON

80 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

2N5450

Texas Instruments

NPN

SINGLE

NO

100 MHz

.62 W

.8 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

30 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N2220

Texas Instruments

NPN

SINGLE

NO

250 MHz

1.8 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

12

200 Cel

SILICON

30 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

D2T2218

Texas Instruments

NPN

SEPARATE, 2 ELEMENTS

NO

250 MHz

.4 W

.8 A

METAL

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

25

175 Cel

SILICON

30 V

BOTTOM

O-MBCY-W6

ISOLATED

Not Qualified

TO-78

NOT SPECIFIED

NOT SPECIFIED

D2T2218A

Texas Instruments

NPN

SEPARATE, 2 ELEMENTS

NO

250 MHz

.4 W

.8 A

METAL

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

25

175 Cel

SILICON

40 V

35 ns

285 ns

BOTTOM

O-MBCY-W6

ISOLATED

Not Qualified

TO-78

NOT SPECIFIED

NOT SPECIFIED

A5T2222

Texas Instruments

NPN

SINGLE

NO

250 MHz

.625 W

.8 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

30 V

20 ns

213 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

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

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

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

2N2539

Texas Instruments

NPN

SINGLE

NO

250 MHz

.5 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

200 Cel

SILICON

30 V

40 ns

40 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

A8T3704

Texas Instruments

NPN

SINGLE

NO

100 MHz

.625 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

2N2218

Texas Instruments

NPN

SINGLE

NO

250 MHz

.8 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

200 Cel

SILICON

30 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

A8T3706

Texas Instruments

NPN

SINGLE

NO

100 MHz

.625 W

.8 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

20 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N5451

Texas Instruments

NPN

SINGLE

NO

100 MHz

.62 W

.8 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

20 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

A8T3705

Texas Instruments

NPN

SINGLE

NO

100 MHz

.625 W

.8 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

30 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N2218A

Texas Instruments

NPN

SINGLE

NO

250 MHz

.8 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

200 Cel

SILICON

40 V

35 ns

285 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

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

2N2219

Texas Instruments

NPN

SINGLE

NO

250 MHz

.8 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

200 Cel

SILICON

30 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

2N3705

Texas Instruments

NPN

SINGLE

NO

100 MHz

.36 W

.8 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

30 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N3706

Texas Instruments

NPN

SINGLE

NO

100 MHz

.36 W

.8 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

20 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N3704

Texas Instruments

NPN

SINGLE

NO

100 MHz

.62 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

2N2537

Texas Instruments

NPN

SINGLE

NO

250 MHz

.8 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

200 Cel

SILICON

30 V

40 ns

40 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

2N2538

Texas Instruments

NPN

SINGLE

NO

250 MHz

.8 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-5

NOT SPECIFIED

NOT SPECIFIED

2N4386

Onsemi

NPN

SINGLE

NO

30 MHz

.62 W

.8 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

LOW NOISE

TO-18

e0

BC328-16RLRE

Onsemi

PNP

SINGLE

NO

260 MHz

.8 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

100

150 Cel

SILICON

25 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

KSC3265O

Onsemi

NPN

SINGLE

YES

120 MHz

.2 W

.8 A

PLASTIC/EPOXY

AMPLIFIER

.4 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

.2 W

100

150 Cel

SILICON

25 V

DUAL

R-PDSO-G3

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