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

BC639-16D74Z

National Semiconductor

NPN

SINGLE

NO

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

25

SILICON

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

BC63916_D74Z

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-D74Z

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

BC847C-QR

Nexperia

NPN

SINGLE

YES

100 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

.4 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

150 Cel

1.5 pF

SILICON

45 V

-65 Cel

TIN

DUAL

R-PDSO-G3

1

TO-236AB

e3

30

260

AEC-Q101; IEC-60134

BCP56F

Nexperia

NPN

SINGLE

YES

180 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

40

SILICON

80 V

TIN

DUAL

R-PDSO-G4

1

COLLECTOR

e3

30

260

AEC-Q101; IEC-60134

BCW32TA

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

200

SILICON

20 V

DUAL

R-PDSO-G3

Not Qualified

CECC

BCX41TA

Diodes Incorporated

NPN

SINGLE

YES

100 MHz

.35 W

.8 A

PLASTIC/EPOXY

.9 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

150 Cel

12 pF

SILICON

125 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

e3

30

260

FCX493TA

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

1 W

1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20

150 Cel

SILICON

100 V

MATTE TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e3

30

260

JANTX2N1893S

Microchip Technology

NPN

SINGLE

NO

.5 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

40

200 Cel

SILICON

80 V

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Qualified

TO-5

e0

MIL-19500/182F

LBC848CLT1G

Leshan Radio

NPN

SINGLE

YES

100 MHz

.225 W

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

420

150 Cel

SILICON

30 V

TIN

DUAL

R-PDSO-G3

1

e3

MMBT2222AT-TP

Micro Commercial Components

NPN

SINGLE

YES

300 MHz

.35 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

40 V

35 ns

285 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

10

260

PBSS5140T,215

NXP Semiconductors

PNP

SINGLE

YES

150 MHz

.45 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

160

150 Cel

SILICON

40 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

2N4125

Texas Instruments

PNP

SINGLE

NO

200 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

30 V

26 ns

82 ns

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N4403

Texas Instruments

PNP

SINGLE

NO

200 MHz

.35 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

150 Cel

SILICON

40 V

35 ns

255 ns

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N5401YBU

Onsemi

PNP

SINGLE

NO

100 MHz

.6 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

50

150 Cel

SILICON

150 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC558BTA

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

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC558BT&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

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC847W,115

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

110

150 Cel

3 pF

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

IEC-60134

BC856ALT1

Onsemi

PNP

SINGLE

YES

100 MHz

.225 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

125

150 Cel

SILICON

65 V

TIN LEAD

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e0

235

BC857AW,115

NXP Semiconductors

PNP

SINGLE

YES

100 MHz

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

.65 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

125

150 Cel

5 pF

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BCW66KHE6327HTSA1

Infineon Technologies

NPN

SINGLE

YES

170 MHz

.8 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

e3

AEC-Q101

BCW72,215

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

.25 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BCW72,235

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

.25 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

NSS40201LT1G

Onsemi

NPN

SINGLE

YES

150 MHz

.54 W

2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

180

150 Cel

SILICON

40 V

860 ns

200 ns

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

TO-236

e3

40

260

NSVMMBT4401WT1G

Onsemi

NPN

SINGLE

YES

250 MHz

.15 W

.6 A

PLASTIC/EPOXY

SWITCHING

.75 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

150 Cel

6.5 pF

SILICON

40 V

35 ns

-55 Cel

255 ns

MATTE TIN

DUAL

R-PDSO-G3

1

e3

30

260

PN2907A

Microchip Technology

PNP

SINGLE

NO

200 MHz

.625 W

.8 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

60 V

50 ns

110 ns

TIN LEAD

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

e0

BC817K-40HVL

Nexperia

NPN

SINGLE

YES

100 MHz

.95 W

.5 A

PLASTIC/EPOXY

SWITCHING

.7 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

250

175 Cel

SILICON

45 V

-55 Cel

TIN

DUAL

R-PDSO-G3

1

TO-236AB

e3

30

260

AEC-Q101; IEC-60134

BC846-A

Infineon Technologies

NPN

SINGLE

YES

250 MHz

.3 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

110

150 Cel

SILICON

65 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

e3

BC857AM,315

NXP Semiconductors

PNP

SINGLE

YES

100 MHz

.43 W

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

1

3

CHIP CARRIER

Other Transistors

125

150 Cel

SILICON

45 V

TIN

BOTTOM

R-PBCC-N3

1

COLLECTOR

Not Qualified

e3

30

260

BC857AQAZ

Nexperia

PNP

SINGLE

YES

100 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

125

SILICON

45 V

TIN

DUAL

R-PDSO-N3

1

COLLECTOR

e3

30

260

AEC-Q101; IEC-60134

BC857BWQ-13-F

Diodes Incorporated

PNP

SINGLE

YES

200 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

220

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

BCP5510TA

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

2 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

63

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G4

1

COLLECTOR

HIGH RELIABILITY

e3

30

260

FCX558TA

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

1 W

.2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

400 V

MATTE TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e3

30

260

FMMT458QTA

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.5 W

.225 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

15

150 Cel

SILICON

400 V

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

MMBT5087LT1G

Onsemi

PNP

SINGLE

YES

40 MHz

.225 W

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

250

150 Cel

SILICON

50 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

TO-236AB

e3

30

260

MSB92ASWT1G

Onsemi

PNP

SINGLE

YES

50 MHz

.15 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

25

150 Cel

SILICON

300 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

ZTX453STZ

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

10

SILICON

100 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

ASS8050-L-HF

Comchip Technology

NPN

SINGLE

YES

100 MHz

.3 W

1.5 A

PLASTIC/EPOXY

.5 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

.3 W

120

150 Cel

SILICON

25 V

Tin (Sn)

DUAL

R-PDSO-G3

1

e3

AEC-Q101

BC847B-13-F

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.35 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

45 V

-65 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

BC847B-TP

Micro Commercial Components

NPN

SINGLE

YES

100 MHz

.225 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

10

260

BC847BT-7

Diodes Incorporated

NPN

SINGLE

YES

100 MHz

.15 W

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

45 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

e0

BC847BWQ-13-F

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

200

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

BCX70JT116

ROHM

NPN

SINGLE

YES

125 MHz

.2 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

250

150 Cel

4.5 pF

SILICON

45 V

TIN SILVER COPPER

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

e1

10

260

BFX34

NXP Semiconductors

NPN

SINGLE

NO

100 MHz

2 A

METAL

SWITCHING

1 V

WIRE

ROUND

1

3

CYLINDRICAL

5 W

40

150 Cel

SILICON

60 V

600 ns

-65 Cel

1200 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-39

BSS63LT1G

Onsemi

PNP

SINGLE

YES

95 MHz

.3 W

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

100 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

40

260

FMMT722TA

Diodes Incorporated

PNP

SINGLE

YES

200 MHz

.625 W

1.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

70 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

JANTX2N3866A

Fairchild Semiconductor

NPN

SINGLE

NO

.4 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

25

SILICON

30 V

BOTTOM

O-MBCY-W3

Not Qualified

TO-39

MIL

KSA992FBU

Onsemi

PNP

SINGLE

NO

100 MHz

.5 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

300

150 Cel

SILICON

120 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

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