Onsemi 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

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

BSR17A

Onsemi

NPN

SINGLE

YES

300 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

250 ns

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

NSVMMUN2235LT1G

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

80

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

BUILT IN BIAS RESISTANCE RATIO IS 21

TO-236

e3

NOT SPECIFIED

NOT SPECIFIED

AEC-Q101

BC849CLT1G

Onsemi

NPN

SINGLE

YES

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

420

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

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

MUN5233T1G

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

80

150 Cel

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 10

e3

40

260

MMPQ2222AR1G

Onsemi

NPN

SEPARATE, 4 ELEMENTS

YES

350 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

4

16

SMALL OUTLINE

40

150 Cel

SILICON

40 V

DUAL

R-PDSO-G16

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

NSS40601CF8T1G

Onsemi

NPN

SINGLE

YES

140 MHz

1.4 W

6 A

PLASTIC/EPOXY

SWITCHING

C BEND

RECTANGULAR

1

8

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

40 V

240 ns

1530 ns

MATTE TIN

DUAL

R-PDSO-C8

1

Not Qualified

e3

30

260

SBCX19LT1G

Onsemi

NPN

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

DUAL

R-PDSO-G3

1

TO-236

e3

30

260

AEC-Q101

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

MMBTA63LT1G

Onsemi

PNP

DARLINGTON

YES

125 MHz

.225 W

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

10000

150 Cel

SILICON

30 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

MMBT3904T

Onsemi

NPN

SINGLE

YES

300 MHz

.25 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

.25 W

30

150 Cel

6 pF

SILICON

40 V

70 ns

85 ns

MATTE TIN

DUAL

R-PDSO-F3

1

Not Qualified

e3

30

260

PZT2907AT3G

Onsemi

PNP

SINGLE

YES

200 MHz

1.5 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

50

150 Cel

SILICON

60 V

45 ns

100 ns

MATTE TIN

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

TO-261AA

e3

30

260

BC847BPDXV6T1G

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

100 MHz

.5 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

200

150 Cel

SILICON

45 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-F6

1

Not Qualified

e3

30

260

MMBTA05LT1G

Onsemi

NPN

SINGLE

YES

100 MHz

.225 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236

e3

30

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

PZTA92T1G

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

Not Qualified

TO-261AA

e3

30

260

BC848BWT1G

Onsemi

NPN

SINGLE

YES

100 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

30 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

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

PZT3906

Onsemi

PNP

SINGLE

YES

250 MHz

1.5 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

300 ns

MATTE TIN

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

e3

30

260

FSB560

Onsemi

NPN

SINGLE

YES

75 MHz

.5 W

2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

60 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

MUN2211T1G

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.338 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

35

150 Cel

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

e3

40

260

SMMUN2211LT3G

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

35

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

BUILT IN BIAS RESISTOR RATIO IS 1

TO-236

e3

NOT SPECIFIED

NOT SPECIFIED

AEC-Q101

SPZT3904T1G

Onsemi

NPN

SINGLE

YES

300 MHz

1.5 W

.2 A

1

Other Transistors

100

150 Cel

MATTE TIN

1

e3

30

260

FJV42MTF

Onsemi

NPN

SINGLE

YES

50 MHz

.35 W

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

350 V

MATTE TIN

DUAL

R-PDSO-G3

1

TO-236AB

e3

30

260

MMUN2114LT1G

Onsemi

PNP

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

80

150 Cel

SILICON

50 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO 0.21

TO-236AB

e3

40

260

MMUN2216LT1G

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

.25 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signals

160

150 Cel

SILICON

50 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR

TO-236

e3

40

260

MMBT6429LT1G

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

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

TO-236AB

e3

30

260

MMBTA64LT1G

Onsemi

PNP

DARLINGTON

YES

125 MHz

.225 W

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20000

150 Cel

SILICON

30 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

PZT3906T1G

Onsemi

PNP

SINGLE

YES

250 MHz

.3 W

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

300 ns

MATTE TIN

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

TO-261AA

e3

30

260

NSVMMBT5551M3T5G

Onsemi

NPN

SINGLE

YES

.06 A

PLASTIC/EPOXY

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

30

SILICON

160 V

MATTE TIN

DUAL

R-PDSO-F3

1

e3

30

260

AEC-Q101

SMMBT5089LT1G

Onsemi

NPN

SINGLE

YES

50 MHz

.3 W

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

400

150 Cel

SILICON

25 V

MATTE TIN

DUAL

R-PDSO-G3

1

TO-236AB

e3

30

260

AEC-Q101

MUN5235DW1T1G

Onsemi

NPN

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.385 W

.1 A

PLASTIC/EPOXY

SWITCHING

.25 V

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

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 21.36

e3

30

260

NSS40200LT1G

Onsemi

PNP

SINGLE

YES

100 MHz

.71 W

2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

150

150 Cel

SILICON

40 V

530 ns

180 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236

e3

30

260

NSVBC857CWT1G

Onsemi

PNP

SINGLE

YES

100 MHz

.15 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.65 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

150 Cel

4.5 pF

SILICON

45 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

e3

30

260

AEC-Q101

MMBT2222ATT3G

Onsemi

NPN

SINGLE

YES

300 MHz

.6 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

150 Cel

SILICON

40 V

35 ns

285 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

MMBT3906T

Onsemi

PNP

SINGLE

YES

250 MHz

.25 W

.2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

300 ns

Tin (Sn)

DUAL

R-PDSO-F3

1

Not Qualified

e3

30

260

MPSA42RL1G

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

-55 Cel

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

BC847BPDW1T3G

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

200

150 Cel

4.5 pF

SILICON

45 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G6

1

e3

30

260

BC858CLT1G

Onsemi

PNP

SINGLE

YES

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

420

150 Cel

SILICON

30 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

40

260

BC327-25ZL1G

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

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e1

260

BC560CG

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/Silver/Copper (Sn/Ag/Cu)

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e1

40

260

BC848BMTF

Onsemi

NPN

SINGLE

YES

300 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

30 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

KSC945YTA

Onsemi

NPN

SINGLE

NO

300 MHz

.25 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

150 Cel

SILICON

50 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

SMBT3906DW1T1G

Onsemi

PNP

YES

250 MHz

.15 W

.2 A

Other Transistors

100

150 Cel

MATTE TIN

1

e3

30

260

BC548BG

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

30 V

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

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

40

260

MMBT5089LT1G

Onsemi

NPN

SINGLE

YES

50 MHz

.225 W

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

400

150 Cel

SILICON

25 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

TO-236AB

e3

30

260

NZT651

Onsemi

NPN

SINGLE

YES

75 MHz

1.2 W

4 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

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