Onsemi 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

PN2907ATAR

Onsemi

PNP

SINGLE

NO

200 MHz

.625 W

.8 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

60 V

45 ns

100 ns

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MMBT3906LT1H

Onsemi

PNP

SINGLE

YES

250 MHz

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

150 Cel

SILICON

40 V

70 ns

-55 Cel

300 ns

MATTE TIN

DUAL

R-PDSO-G3

1

TO-236

e3

30

260

KSA916YTA

Onsemi

PNP

SINGLE

NO

120 MHz

.9 W

.8 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

150 Cel

SILICON

120 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

e3

SMMBTA92LT3G

Onsemi

PNP

SINGLE

YES

50 MHz

.3 W

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

25

150 Cel

SILICON

300 V

MATTE TIN

DUAL

R-PDSO-G3

1

TO-236AF

e3

30

260

AEC-Q101

2N3904ZL1G

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.2 A

PLASTIC/EPOXY

SWITCHING

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

EUROPEAN PART NUMBER

TO-92

e1

260

MBT6429DW1T1G

Onsemi

NPN

SEPARATE, 2 ELEMENTS

YES

100 MHz

.15 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

500

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

MMBT5401

Onsemi

PNP

SINGLE

YES

100 MHz

.225 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

SILICON

150 V

-55 Cel

TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

NSVMMUN2232LT1G

Onsemi

NPN

YES

.4 W

.1 A

1

BIP General Purpose Small Signal

15

SILICON

MATTE TIN

1

e3

30

260

BC846CMTF

Onsemi

NPN

SINGLE

YES

300 MHz

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

420

150 Cel

SILICON

65 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

MMBTA56LT3G

Onsemi

PNP

SINGLE

YES

50 MHz

.225 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

80 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236

e3

30

260

MMUN2232LT1G

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

15

150 Cel

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

TO-236

e3

40

260

MMBT4403WT1G

Onsemi

PNP

SINGLE

YES

200 MHz

.15 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

40 V

35 ns

255 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BC550CTA

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

45 V

MATTE TIN

BOTTOM

O-PBCY-W3

ISOLATED

Not Qualified

LOW NOISE

TO-92

e3

NSVBC847BTT1G

Onsemi

NPN

SINGLE

YES

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

200

150 Cel

4.5 pF

SILICON

45 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

e3

30

260

AEC-Q101

SBC846BLT3G

Onsemi

NPN

SINGLE

YES

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

4.5 pF

SILICON

65 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

TO-236

e3

NOT SPECIFIED

NOT SPECIFIED

AEC-Q101

BC557BRL1G

Onsemi

PNP

SINGLE

NO

320 MHz

1.5 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

180

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

BC848CPDW1T1G

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

100 MHz

.38 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.65 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

420

150 Cel

4.5 pF

SILICON

30 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

2N4401TAR

Onsemi

NPN

SINGLE

NO

250 MHz

.35 W

.6 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

40 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

2SC6099-TL-E

Onsemi

NPN

SINGLE

YES

300 MHz

2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

2

SMALL OUTLINE

300

SILICON

100 V

DUAL

R-PDSO-G2

COLLECTOR

TO-252

MMBT2369A

Onsemi

NPN

SINGLE

YES

500 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20

150 Cel

SILICON

15 V

12 ns

-55 Cel

18 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

HIGH SPEED SATURATED SWITCHING

TO-236AB

e3

260

SMMBTA06LT3G

Onsemi

NPN

SINGLE

YES

100 MHz

.3 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

80 V

MATTE TIN

DUAL

R-PDSO-G3

1

TO-236

e3

30

260

AEC-Q101

2N5551TF

Onsemi

NPN

SINGLE

NO

100 MHz

.35 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

160 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

NSS60600MZ4T1G

Onsemi

PNP

SINGLE

YES

100 MHz

2 W

6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

70

150 Cel

SILICON

60 V

280 ns

685 ns

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

TO-261AA

e3

30

260

BC546BG

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

TO-92

e1

40

260

SMMBTA56WT1G

Onsemi

PNP

SINGLE

YES

50 MHz

.15 W

.5 A

1

Other Transistors

100

150 Cel

MATTE TIN

1

e3

30

260

SBC817-16LT3G

Onsemi

NPN

SINGLE

YES

100 MHz

.3 W

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

45 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

TO-236AB

e3

NOT SPECIFIED

NOT SPECIFIED

AEC-Q101

FSB560A

Onsemi

NPN

SINGLE

YES

75 MHz

.5 W

2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

250

150 Cel

SILICON

60 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

NSVPZTA92T1G

Onsemi

PNP

SINGLE

YES

50 MHz

1.5 W

.5 A

PLASTIC/EPOXY

.5 V

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

40

150 Cel

6 pF

SILICON

300 V

MATTE TIN

DUAL

R-PDSO-G4

1

COLLECTOR

TO-261AA

e3

30

260

AEC-Q101

SBC856BDW1T1G

Onsemi

PNP

SEPARATE, 2 ELEMENTS

YES

100 MHz

.38 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

220

150 Cel

SILICON

65 V

MATTE TIN

DUAL

R-PDSO-G6

1

e3

30

260

AEC-Q101

MMBT8099LT1G

Onsemi

NPN

SINGLE

YES

150 MHz

.225 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

75

150 Cel

SILICON

80 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

BC847CWT3G

Onsemi

NPN

SINGLE

YES

100 MHz

.15 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

420

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

PZTA42

Onsemi

NPN

SINGLE

YES

50 MHz

1.5 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

300 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

TO-261AA

e3

30

260

PZT3904T1G

Onsemi

NPN

SINGLE

YES

300 MHz

.3 W

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

250 ns

MATTE TIN

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

TO-261AA

e3

30

260

FMB2227A

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

250 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

75

150 Cel

SILICON

30 V

TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

BC847BPDW1T2G

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

100 MHz

.38 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.65 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

200

150 Cel

4.5 pF

SILICON

45 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

MMBT5401WT1G

Onsemi

PNP

SINGLE

YES

100 MHz

.4 W

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

SILICON

150 V

MATTE TIN

DUAL

R-PDSO-G3

1

e3

30

260

SMUN5313DW1T1G

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.256 W

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

80

150 Cel

SILICON

50 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G6

1

BUILT IN BIAS RESISTANCE RATIO IS 1

e3

30

260

AEC-Q101

MBT3946DW1T1G

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

300 MHz

.15 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

30

150 Cel

SILICON

40 V

70 ns

250 ns

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

BC848ALT1G

Onsemi

NPN

SINGLE

YES

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

110

150 Cel

4.5 pF

SILICON

30 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

TO-236

e3

40

260

BC848CDW1T1G

Onsemi

NPN

SEPARATE, 2 ELEMENTS

YES

100 MHz

.38 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

420

150 Cel

SILICON

30 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

SMMBT2222ALT1

Onsemi

NPN

SINGLE

YES

300 MHz

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

35

SILICON

40 V

35 ns

285 ns

TIN LEAD

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e0

235

2N5133

Onsemi

NPN

SINGLE

NO

40 MHz

.2 W

.05 A

UNSPECIFIED

.4 V

WIRE

ROUND

1

3

CYLINDRICAL

60

5 pF

SILICON

18 V

BOTTOM

O-XBCY-W3

TO-106

2N3906RLRAG

Onsemi

PNP

SINGLE

NO

250 MHz

1.5 W

.2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

300 ns

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

BC337-25RL1G

Onsemi

NPN

SINGLE

NO

210 MHz

1.5 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

MMBT4403M3T5G

Onsemi

NPN

SINGLE

YES

200 MHz

.64 W

.6 A

PLASTIC/EPOXY

SWITCHING

.75 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

.64 W

100

150 Cel

8.5 pF

SILICON

40 V

35 ns

-55 Cel

255 ns

MATTE TIN

DUAL

R-PDSO-F3

1

e3

30

260

KSC945CYTA

Onsemi

NPN

SINGLE

NO

300 MHz

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

150 Cel

SILICON

50 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

NSVMMBT5550LT1G

Onsemi

NPN

SINGLE

YES

.3 W

.6 A

PLASTIC/EPOXY

.25 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

20

150 Cel

SILICON

140 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

TO-236

e3

30

260

AEC-Q101

SMMBT6521LT1G

Onsemi

NPN

SINGLE

YES

.3 W

.1 A

1

Other Transistors

300

150 Cel

MATTE TIN

1

e3

30

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