SINGLE 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

BC548CG

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

30 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

BC556BTFR

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

BC850C-AQ

Diotec Semiconductor Ag

NPN

SINGLE

YES

300 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

150 Cel

6 pF

SILICON

45 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

TO-236

e3

10

260

AEC-Q101

JANTXV2N2369A

Microchip Technology

NPN

SINGLE

NO

500 MHz

.36 W

.2 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

200 Cel

SILICON

15 V

12 ns

18 ns

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Qualified

TO-18

e0

MIL-19500/317K

KSC945CGTA

Onsemi

NPN

SINGLE

NO

300 MHz

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

150 Cel

SILICON

50 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MMBT2222ATT1

Onsemi

NPN

SINGLE

YES

300 MHz

.15 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

40 V

35 ns

285 ns

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

e0

30

235

PMBTA92,215

NXP Semiconductors

PNP

SINGLE

YES

50 MHz

.3 W

.1 A

PLASTIC/EPOXY

.5 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

25

150 Cel

6 pF

SILICON

300 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

SMMBTA13LT1G

Onsemi

NPN

SINGLE

YES

125 MHz

.3 W

.3 A

1

Other Transistors

5000

150 Cel

MATTE TIN

1

e3

30

260

BC547BA1

Taiwan Semiconductor

NPN

SINGLE

NO

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.5 W

200

150 Cel

SILICON

45 V

-65 Cel

MATTE TIN

BOTTOM

O-PBCY-T3

1

TO-92

e3

10

260

BC560C

Onsemi

PNP

SINGLE

NO

250 MHz

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

380

150 Cel

SILICON

45 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-226AA

e0

235

BC560-C

Infineon Technologies

PNP

SINGLE

NO

250 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

BOTTOM

O-PBCY-T3

Not Qualified

BC848W,135

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

110

150 Cel

3 pF

SILICON

30 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

FMMT493-TP

Micro Commercial Components

NPN

SINGLE

YES

150 MHz

.25 W

1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20

150 Cel

SILICON

100 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

10

260

KSA1013YTA

Onsemi

PNP

SINGLE

NO

50 MHz

.9 W

1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

160

150 Cel

SILICON

160 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

e3

ZTX458STZ

Diodes Incorporated

NPN

SINGLE

NO

50 MHz

.3 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

15

SILICON

400 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

2N1893S

Microchip Technology

NPN

SINGLE

NO

50 MHz

.8 W

.5 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

200 Cel

SILICON

80 V

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

TO-39

e0

BC546BZL1G

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

65 V

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

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e1

40

260

BC807-25/A2,215

NXP Semiconductors

PNP

SINGLE

YES

1

Other Transistors

150 Cel

BC817-40-QVL

Nexperia

NPN

SINGLE

YES

100 MHz

.345 W

.5 A

PLASTIC/EPOXY

SWITCHING

.7 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

250

150 Cel

3 pF

SILICON

45 V

-65 Cel

TIN

DUAL

R-PDSO-G3

1

TO-236AB

e3

30

260

AEC-Q101; IEC-60134

BC817-40-TP

Micro Commercial Components

NPN

SINGLE

YES

100 MHz

.3 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

250

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

10

260

BC848-C

Infineon Technologies

NPN

SINGLE

YES

250 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

SILICON

30 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

e3

40

260

FCX495TA

Diodes Incorporated

NPN

SINGLE

YES

100 MHz

1 W

1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

150 V

MATTE TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e3

30

260

KSC945CGBU

Onsemi

NPN

SINGLE

NO

300 MHz

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

150 Cel

SILICON

50 V

Tin (Sn)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MMBT2907A-TP-HF

Micro Commercial Components

PNP

SINGLE

YES

200 MHz

.35 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

SILICON

60 V

50 ns

110 ns

MATTE TIN

DUAL

R-PDSO-G3

1

e3

10

260

ZTX1053ASTZ

Zetex Plc

NPN

SINGLE

NO

140 MHz

3 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

100

SILICON

75 V

MATTE TIN

BOTTOM

O-PBCY-W3

1

Not Qualified

e3

10

260

BC546BB1G

Taiwan Semiconductor

NPN

SINGLE

NO

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

.5 W

200

150 Cel

SILICON

65 V

-65 Cel

MATTE TIN

BOTTOM

O-PBCY-T3

1

TO-92

e3

10

260

BC548CB1G

Taiwan Semiconductor

NPN

SINGLE

NO

.5 W

.1 A

1

Other Transistors

420

150 Cel

MATTE TIN

1

e3

10

260

BC817-25W-QF

Nexperia

NPN

SINGLE

YES

100 MHz

.29 W

.5 A

PLASTIC/EPOXY

SWITCHING

.7 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

160

150 Cel

3 pF

SILICON

45 V

-65 Cel

DUAL

R-PDSO-G3

AEC-Q101; IEC-60134

BC858C-7-F

Diodes Incorporated

PNP

SINGLE

YES

200 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

420

150 Cel

SILICON

30 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BCX54,115

NXP Semiconductors

NPN

SINGLE

YES

130 MHz

2 W

1 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

45 V

TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

TO-243AA

e3

30

260

MMBT2907AQ-7-F

Diodes Incorporated

PNP

SINGLE

YES

200 MHz

.35 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

SILICON

60 V

45 ns

100 ns

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

MPSA06RLRAG

Onsemi

NPN

SINGLE

NO

100 MHz

.625 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

80 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

PMBT3906,235

NXP Semiconductors

PNP

SINGLE

YES

250 MHz

.25 W

.2 A

PLASTIC/EPOXY

SWITCHING

.65 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

4.5 pF

SILICON

40 V

65 ns

300 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

2N2369ACSM

Tt Electronics Plc

NPN

SINGLE

YES

500 MHz

.2 A

CERAMIC, METAL-SEALED COFIRED

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

30

200 Cel

SILICON

15 V

12 ns

18 ns

DUAL

R-CDSO-N3

Not Qualified

HIGH RELIABILITY

NOT SPECIFIED

NOT SPECIFIED

BC327-25RL1G

Onsemi

PNP

SINGLE

NO

260 MHz

.625 W

.8 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

160

150 Cel

SILICON

45 V

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

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e1

40

260

BC546BRL1G

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

65 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e1

260

MMBT5962

Onsemi

NPN

SINGLE

YES

100 MHz

.35 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

600

150 Cel

SILICON

45 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

e3

30

260

ZTX550STOA

Diodes Incorporated

PNP

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

15

SILICON

45 V

MATTE TIN

SINGLE

R-PSIP-W3

1

Not Qualified

e3

260

2N6517T&A

Continental Device India

NPN

SINGLE

NO

40 MHz

.625 W

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

15

150 Cel

SILICON

350 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

2N6517TA

Onsemi

NPN

SINGLE

NO

40 MHz

.625 W

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

15

150 Cel

SILICON

350 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC817-25LT1

Onsemi

NPN

SINGLE

YES

100 MHz

.225 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

160

150 Cel

SILICON

45 V

-55 Cel

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e0

30

235

BC847,235

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

110

150 Cel

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

IEC-60134

BC860C,215

NXP Semiconductors

PNP

SINGLE

YES

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.65 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

420

150 Cel

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

TO-236AB

e3

30

260

BCX17LT1G

Onsemi

PNP

SINGLE

YES

.3 W

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

45 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

40

260

KST2907AMTF

Onsemi

PNP

SINGLE

YES

200 MHz

.35 W

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

SILICON

60 V

50 ns

110 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

ZTX550STOB

Diodes Incorporated

PNP

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

15

SILICON

45 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

10

260

BC327-25BK

Diotec Semiconductor Ag

PNP

SINGLE

NO

100 MHz

.625 W

.8 A

PLASTIC/EPOXY

.7 V

WIRE

ROUND

1

3

CYLINDRICAL

.625 W

100

150 Cel

12 pF

SILICON

45 V

-55 Cel

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

BC547BTA_NL

Fairchild Semiconductor

NPN

SINGLE

NO

300 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

SILICON

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

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