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

BC547BBULK

Continental Device India

NPN

SINGLE

NO

300 MHz

.1 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

200

SILICON

45 V

MATTE TIN

BOTTOM

O-PBCY-W3

1

Not Qualified

TO-92

e3

BC32716TA

Onsemi

PNP

SINGLE

NO

100 MHz

.625 W

.8 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

150 Cel

SILICON

45 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC327-16T&A

Continental Device India

PNP

SINGLE

NO

100 MHz

.625 W

.8 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

150 Cel

SILICON

45 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC546ABU

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

110

150 Cel

SILICON

65 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e3

BC639-16D27Z

National Semiconductor

NPN

SINGLE

NO

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

25

SILICON

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

BC63916_D27Z

Fairchild Semiconductor

NPN

SINGLE

NO

100 MHz

1 W

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

80 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

TO-92

e1

BC63916-D27Z

Onsemi

NPN

SINGLE

NO

100 MHz

1 W

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

80 V

MATTE TIN

BOTTOM

O-PBCY-T3

TO-92

e3

ZTX605

Diodes Incorporated

NPN

DARLINGTON

NO

150 MHz

1 W

1 A

PLASTIC/EPOXY

WIRE

RECTANGULAR

1

3

IN-LINE

Other Transistors

2000

200 Cel

SILICON

120 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

BC560CTA

Onsemi

PNP

SINGLE

NO

150 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e3

BC560CT&A

Continental Device India

PNP

SINGLE

NO

150 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e3

MPSA42PBFREE

Central Semiconductor

NPN

SINGLE

NO

50 MHz

1.5 W

.5 A

PLASTIC/EPOXY

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.625 W

40

150 Cel

3 pF

SILICON

300 V

-65 Cel

MATTE TIN OVER NICKEL

BOTTOM

O-PBCY-T3

TO-92

e3

MPSA92G

Onsemi

PNP

SINGLE

NO

50 MHz

.625 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

300 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

2N3053

Texas Instruments

NPN

SINGLE

NO

100 MHz

5 W

.7 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

200 Cel

SILICON

40 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-39

NOT SPECIFIED

NOT SPECIFIED

MPSA42G

Onsemi

NPN

SINGLE

NO

50 MHz

.625 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

300 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

SS8550BBU

Onsemi

PNP

SINGLE

NO

200 MHz

1 W

1.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

85

150 Cel

SILICON

25 V

Tin (Sn)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

2SC1815PBFREE

Central Semiconductor

NPN

SINGLE

NO

80 MHz

.4 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

1 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.4 W

70

125 Cel

SILICON

50 V

-55 Cel

MATTE TIN OVER NICKEL

BOTTOM

O-PBCY-T3

TO-92

e3

ZTX751STOA

Diodes Incorporated

PNP

SINGLE

NO

100 MHz

2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

40

SILICON

60 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

CECC

BC337-40BK

Diotec Semiconductor Ag

NPN

SINGLE

NO

100 MHz

.8 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

170

150 Cel

SILICON

45 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

KSD882YSTU

Onsemi

NPN

SINGLE

NO

90 MHz

10 W

3 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

Other Transistors

1 W

160

150 Cel

SILICON

30 V

-55 Cel

MATTE TIN

SINGLE

R-PSFM-T3

Not Qualified

TO-126

e3

ZTX751QSTZ

Diodes Incorporated

PNP

SINGLE

NO

100 MHz

1.5 W

2 A

1

Other Transistors

100

200 Cel

MATTE TIN

e3

30

260

ZTX451

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

1 W

1 A

PLASTIC/EPOXY

WIRE

RECTANGULAR

1

3

IN-LINE

Other Transistors

10

200 Cel

SILICON

60 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

ZTX751STOB

Diodes Incorporated

PNP

SINGLE

NO

100 MHz

2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

40

SILICON

60 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

10

260

CECC

BC337-40RL1G

Onsemi

NPN

SINGLE

NO

210 MHz

1.5 W

.8 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

250

150 Cel

SILICON

45 V

-55 Cel

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e1

260

BC546-A

Infineon Technologies

NPN

SINGLE

NO

200 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

110

150 Cel

SILICON

BOTTOM

O-PBCY-T3

Not Qualified

BC557CBK

Diotec Semiconductor Ag

PNP

SINGLE

NO

150 MHz

.1 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

420

150 Cel

SILICON

45 V

Matte Tin (Sn) - annealed

BOTTOM

O-PBCY-W3

1

Not Qualified

TO-92

e3

10

260

BC337-25-AP

STMicroelectronics

NPN

SINGLE

NO

100 MHz

.625 W

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

160

150 Cel

SILICON

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC337G

Onsemi

NPN

SINGLE

NO

210 MHz

1.5 W

.8 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

45 V

Tin/Silver/Copper (Sn/Ag/Cu)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

40

260

SS8550CBU

Onsemi

PNP

SINGLE

NO

200 MHz

1 W

1.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

150 Cel

SILICON

25 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

ULN2801A

Vishay Intertechnology

NPN

COMPLEX

NO

.5 A

PLASTIC/EPOXY

SWITCHING

1.6 V

THROUGH-HOLE

RECTANGULAR

8

18

IN-LINE

1000

85 Cel

SILICON

50 V

-20 Cel

DUAL

R-PDIP-T18

BC548BZL1G

Onsemi

NPN

SINGLE

NO

300 MHz

1.5 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

30 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

BC556BT&A

Continental Device India

PNP

SINGLE

NO

150 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

65 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC556BTA

Onsemi

PNP

SINGLE

NO

150 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

65 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MPSA92PBFREE

Central Semiconductor

PNP

SINGLE

NO

50 MHz

.625 W

.5 A

1

Other Transistors

25

150 Cel

MATTE TIN OVER NICKEL

e3

PN2222ARLRPG

Onsemi

NPN

SINGLE

NO

300 MHz

1.5 W

.6 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

75

150 Cel

SILICON

40 V

35 ns

285 ns

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

2SC1815-GR

Micro Commercial Components

SINGLE

NO

80 MHz

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

30

240

SS8550CTA

Onsemi

PNP

SINGLE

NO

200 MHz

1 W

1.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

150 Cel

SILICON

25 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MPSA42RLRAG

Onsemi

NPN

SINGLE

NO

50 MHz

1.5 W

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

300 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

BC337-40ZL1G

Onsemi

NPN

SINGLE

NO

210 MHz

1.5 W

.8 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

250

150 Cel

SILICON

45 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e1

260

MPSA92BK

Diotec Semiconductor Ag

PNP

SINGLE

NO

70 MHz

.625 W

.5 A

PLASTIC/EPOXY

SWITCHING

.5 V

WIRE

ROUND

1

3

CYLINDRICAL

.625 W

25

150 Cel

7 pF

SILICON

300 V

-55 Cel

BOTTOM

O-PBCY-W3

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N3019E3

Microchip Technology

NPN

SINGLE

NO

100 MHz

1 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

15

SILICON

80 V

BOTTOM

O-MBCY-W3

TO-5

2N5087

Texas Instruments

PNP

SINGLE

NO

40 MHz

.35 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

250

150 Cel

SILICON

50 V

BOTTOM

O-PBCY-W3

Not Qualified

LOW NOISE

TO-92

NOT SPECIFIED

NOT SPECIFIED

BC546B-AP

Micro Commercial Components

NPN

SINGLE

NO

300 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

150 Cel

SILICON

65 V

Matte Tin (Sn)

BOTTOM

O-PBCY-T3

1

Not Qualified

TO-92

e3

10

260

KSP43BU

Onsemi

NPN

SINGLE

NO

50 MHz

.625 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

200 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MPSA06-AP

Micro Commercial Components

NPN

SINGLE

NO

100 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

100

150 Cel

SILICON

80 V

Matte Tin (Sn)

BOTTOM

O-PBCY-T3

1

Not Qualified

TO-92

e3

10

260

JANTX2N3440

Microchip Technology

NPN

SINGLE

NO

15 MHz

5 W

1 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

200 Cel

SILICON

250 V

1000 ns

10000 ns

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Qualified

TO-205AD

e0

MIL-19500

ZTX601

Diodes Incorporated

NPN

DARLINGTON

NO

250 MHz

1 W

1 A

PLASTIC/EPOXY

WIRE

RECTANGULAR

1

3

IN-LINE

Other Transistors

1000

200 Cel

SILICON

160 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

KSD882YS

Onsemi

NPN

SINGLE

NO

90 MHz

10 W

3 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

Other Transistors

160

150 Cel

SILICON

30 V

MATTE TIN

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

e3

JANS2N2905AL

Microchip Technology

PNP

SINGLE

NO

.6 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

50

200 Cel

SILICON

60 V

45 ns

300 ns

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Qualified

TO-39

e0

MIL-19500/290K

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