SINGLE Small Signal Bipolar Junction Transistors (BJT) 2,400+

Reset All
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

2N3906RLRA

Onsemi

PNP

SINGLE

NO

250 MHz

.35 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

300 ns

Tin/Lead (Sn80Pb20)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

30

235

2SC1815-GR-AP

Micro Commercial Components

NPN

SINGLE

NO

80 MHz

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

125 Cel

SILICON

50 V

Matte Tin (Sn)

BOTTOM

O-PBCY-T3

1

Not Qualified

TO-92

e3

10

260

2SC4604TPE6

Toshiba

NPN

SINGLE

NO

100 MHz

3 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

40

SILICON

50 V

BOTTOM

O-PBCY-T3

Not Qualified

2SD1048-6-TB-E

Onsemi

NPN

SINGLE

YES

250 MHz

.2 W

.7 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

125 Cel

SILICON

15 V

TIN BISMUTH

DUAL

R-PDSO-G3

1

TO-236AB

e6

30

260

BC53-16PASX

Nexperia

PNP

SINGLE

YES

145 MHz

1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

SQUARE

1

3

SMALL OUTLINE

100

SILICON

80 V

TIN

DUAL

S-PDSO-N3

1

COLLECTOR

e3

30

260

AEC-Q101; IEC-60134

BC546C

Vishay Intertechnology

NPN

SINGLE

NO

.5 W

.1 A

1

Other Transistors

420

150 Cel

BC546-C

Secos

NPN

SINGLE

NO

150 MHz

.1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

110

SILICON

65 V

BOTTOM

O-PBCY-T3

TO-92

NOT SPECIFIED

NOT SPECIFIED

BC847CMTF

Onsemi

NPN

SINGLE

YES

300 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

420

150 Cel

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BC857AMTF

Onsemi

PNP

SINGLE

YES

150 MHz

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

.65 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

110

150 Cel

6 pF

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BCW61BMTF

Onsemi

PNP

SINGLE

YES

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

80

150 Cel

SILICON

32 V

150 ns

800 ns

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BCW72LT1

Onsemi

NPN

SINGLE

YES

300 MHz

.225 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

45 V

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e0

30

235

BCX41E6433HTMA1

Infineon Technologies

NPN

SINGLE

YES

100 MHz

.8 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

125 V

DUAL

R-PDSO-G3

Not Qualified

BCX70HE6327

Infineon Technologies

NPN

SINGLE

YES

250 MHz

.33 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

70

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

260

BCX71J,215

NXP Semiconductors

PNP

SINGLE

YES

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

.55 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

250

150 Cel

SILICON

45 V

150 ns

800 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

TO-236AB

e3

30

260

BCX71J,235

NXP Semiconductors

PNP

SINGLE

YES

100 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

.55 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

250

150 Cel

SILICON

45 V

150 ns

800 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

TO-236AB

e3

30

260

BCX71JLT1G

Onsemi

PNP

SINGLE

YES

.35 W

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

45 V

150 ns

800 ns

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

40

260

FCX491TA

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

100

150 Cel

SILICON

60 V

MATTE TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e3

30

260

FMMT2222ATA

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.33 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

40 V

35 ns

285 ns

DUAL

R-PDSO-G3

1

Not Qualified

235

CECC

KSA992FATA

Onsemi

PNP

SINGLE

NO

50 MHz

.5 W

.05 A

1

Other Transistors

300

150 Cel

MATTE TIN

e3

MMBT100A

Onsemi

NPN

SINGLE

YES

250 MHz

.35 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

.4 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

300

150 Cel

4.5 pF

SILICON

45 V

-55 Cel

DUAL

R-PDSO-G3

MMBT2222A-AQ

Diotec Semiconductor Ag

NPN

SINGLE

YES

250 MHz

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

40 V

35 ns

285 ns

MATTE TIN

DUAL

R-PDSO-G3

1

TO-236

e3

10

260

AEC-Q101

MMBT2222ATB_R1_00001

Panjit International

NPN

SINGLE

YES

300 MHz

.6 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

75

150 Cel

SILICON

40 V

35 ns

-55 Cel

285 ns

DUAL

R-PDSO-F3

NOT SPECIFIED

NOT SPECIFIED

MMBT2222AW_R1_00001

Panjit International

NPN

SINGLE

YES

300 MHz

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

75

150 Cel

SILICON

40 V

35 ns

-55 Cel

285 ns

DUAL

R-PDSO-G3

NOT SPECIFIED

NOT SPECIFIED

MMBT2222A_R1_00001

Panjit International

NPN

SINGLE

YES

300 MHz

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

75

150 Cel

SILICON

40 V

35 ns

-55 Cel

285 ns

TIN

DUAL

R-PDSO-G3

e3

MMBT2484LT1G

Onsemi

NPN

SINGLE

YES

.225 W

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

250

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

TO-236AB

e3

30

260

MMBT4401-HF

Comchip Technology

NPN

SINGLE

YES

250 MHz

.3 W

.6 A

PLASTIC/EPOXY

.75 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

.3 W

40

150 Cel

SILICON

40 V

35 ns

285 ns

DUAL

R-PDSO-G3

HIGH RELIABILITY

MMBT6429LT1

Onsemi

NPN

SINGLE

YES

100 MHz

.225 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

500

150 Cel

SILICON

45 V

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

TO-236AB

e0

30

235

MMST2907A-7-F

Diodes Incorporated

PNP

SINGLE

YES

200 MHz

.2 W

.6 A

PLASTIC/EPOXY

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

Not Qualified

e3

30

260

MPSA56RLRPG

Onsemi

PNP

SINGLE

NO

50 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

NSVBC857BLT3G

Onsemi

PNP

SINGLE

YES

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

220

150 Cel

SILICON

45 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

TO-236AB

e3

NOT SPECIFIED

NOT SPECIFIED

AEC-Q101

NSVMMBT6520LT1G

Onsemi

PNP

SINGLE

YES

40 MHz

.3 W

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

15

150 Cel

SILICON

350 V

MATTE TIN

DUAL

R-PDSO-G3

1

TO-236

e3

30

260

AEC-Q101

PMSTA05,115

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.2 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

SILICON

60 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

PZT2222AT/R

NXP Semiconductors

NPN

SINGLE

YES

300 MHz

1.15 W

.6 A

PLASTIC/EPOXY

SWITCHING

1 V

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

1.5 W

75

150 Cel

8 pF

SILICON

40 V

35 ns

-65 Cel

250 ns

MATTE TIN

DUAL

R-PDSO-G4

COLLECTOR

Not Qualified

e3

PZT4403,115

NXP Semiconductors

PNP

SINGLE

YES

200 MHz

1.15 W

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

40 V

TIN

DUAL

R-PDSO-G4

1

Not Qualified

e3

30

260

SS8050H

Changzhou Galaxy Century Microelectronics

NPN

SINGLE

YES

190 MHz

1.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

200

SILICON

25 V

DUAL

R-PDSO-G3

UZTX649

Diodes Incorporated

NPN

SINGLE

NO

240 MHz

2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

15

SILICON

25 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

10

260

ZTX649

Diodes Incorporated

NPN

SINGLE

NO

240 MHz

1 W

2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

Other Transistors

15

200 Cel

SILICON

25 V

MATTE TIN

SINGLE

R-PSIP-W3

1

Not Qualified

e3

30

260

ZTX649L

Diodes Incorporated

NPN

SINGLE

NO

240 MHz

2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

15

SILICON

25 V

Matte Tin (Sn)

SINGLE

R-PSIP-W3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

ZTX649M1

Diodes Incorporated

NPN

SINGLE

YES

240 MHz

2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

15

SILICON

25 V

SINGLE

R-PSSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

ZTX649STOA

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

15

SILICON

25 V

MATTE TIN

SINGLE

R-PSIP-W3

1

Not Qualified

e3

ZTX649STZ

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

15

SILICON

25 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

2N3904RLRMG

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

250 ns

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

2PD601ARW,115

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

210

150 Cel

SILICON

50 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

2SA812-M6-TP

Micro Commercial Components

PNP

SINGLE

YES

180 MHz

.2 W

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

50 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

10

260

2SA812M6-A

Renesas Electronics

PNP

SINGLE

YES

180 MHz

.2 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

50 V

TIN BISMUTH

DUAL

R-PDSO-G3

Not Qualified

e6

2SA812M6-T1B-A

Renesas Electronics

PNP

SINGLE

YES

180 MHz

.2 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2SC2314E

Onsemi

NPN

SINGLE

NO

250 MHz

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

100

SILICON

45 V

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

SINGLE

R-PSFM-T3

Not Qualified

TO-126

e2

2SCR512PT100

ROHM

NPN

SINGLE

YES

320 MHz

2 W

2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

30 V

TIN COPPER

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e2

10

260

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