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

BC547BRL1G

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

45 V

-55 Cel

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

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e1

40

260

SMMBT5551LT1G

Onsemi

NPN

SINGLE

YES

.3 W

.6 A

PLASTIC/EPOXY

SWITCHING

.2 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

150 Cel

SILICON

160 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

TO-236

e3

NOT SPECIFIED

NOT SPECIFIED

AEC-Q101

MMBT2222ALT1

Onsemi

NPN

SINGLE

YES

300 MHz

.225 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

35

150 Cel

SILICON

40 V

35 ns

-55 Cel

285 ns

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e0

30

235

BC547BG

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

45 V

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

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

40

260

SBC846BPDW1T1G

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

65 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G6

1

e3

30

260

AEC-Q101

BC846BWT1G

Onsemi

NPN

SINGLE

YES

100 MHz

.0024 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

65 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

MMBT2222LT1G

Onsemi

NPN

SINGLE

YES

250 MHz

.225 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

75

150 Cel

SILICON

30 V

35 ns

285 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236

e3

30

260

BC817-40LT3G

Onsemi

NPN

SINGLE

YES

100 MHz

.3 W

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

250

150 Cel

SILICON

45 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

TO-236

e3

40

260

PN2907ABU

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

BC857BTT1G

Onsemi

PNP

SINGLE

YES

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

220

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BC846ALT1G

Onsemi

NPN

SINGLE

YES

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

110

150 Cel

4.5 pF

SILICON

65 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

TO-236

e3

40

260

BC847CWT1G

Onsemi

NPN

SINGLE

YES

100 MHz

.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

BC847ALT1G

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

45 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

TO-236

e3

40

260

PZT2222AT1G

Onsemi

NPN

SINGLE

YES

300 MHz

1.5 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

40 V

35 ns

285 ns

MATTE TIN

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

TO-261AA

e3

30

260

BC856BDW1T1G

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

Not Qualified

e3

30

260

SMMUN2214LT1G

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

80

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

BUILT IN BIAS RESISTANCE RATIO IS 4.7

TO-236AB

e3

NOT SPECIFIED

NOT SPECIFIED

AEC-Q101

2N4403BU

Onsemi

PNP

SINGLE

NO

200 MHz

.35 W

.6 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

40 V

35 ns

255 ns

TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC33725TA

Onsemi

NPN

SINGLE

NO

.625 W

.8 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

160

150 Cel

SILICON

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

SMUN5311DW1T1G

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.256 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

35

SILICON

50 V

MATTE TIN

DUAL

R-PDSO-G6

1

BUILT IN BIAS RESISTANCE RATIO IS 1

e3

30

260

AEC-Q101

BC33725BU

Onsemi

NPN

SINGLE

NO

.625 W

.8 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

160

150 Cel

SILICON

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

SMMBT3904TT1G

Onsemi

NPN

SINGLE

YES

300 MHz

.3 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

250 ns

MATTE TIN

DUAL

R-PDSO-G3

1

e3

30

260

AEC-Q101

MMBT3906LT3G

Onsemi

PNP

SINGLE

YES

250 MHz

.3 W

.2 A

PLASTIC/EPOXY

.4 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

150 Cel

4.5 pF

SILICON

40 V

70 ns

-65 Cel

300 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236

e3

30

260

NSVBC817-16LT1G

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

BC857CLT1G

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

45 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

40

260

MMBT5551

Onsemi

NPN

SINGLE

YES

100 MHz

.225 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

160 V

-55 Cel

TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

BSR14

Onsemi

NPN

SINGLE

YES

300 MHz

.35 W

.8 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

40 V

35 ns

-55 Cel

285 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

SMMBT3906WT1G

Onsemi

PNP

SINGLE

YES

250 MHz

.2 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

SILICON

40 V

70 ns

300 ns

MATTE TIN

DUAL

R-PDSO-G3

1

e3

30

260

AEC-Q101

MMUN2214LT1G

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.2 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 4.7

TO-236

e3

40

260

SBC847BPDXV6T1G

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

e3

30

260

AEC-Q101

SBC847CLT1G

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

45 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

TO-236

e3

NOT SPECIFIED

NOT SPECIFIED

AEC-Q101

BC857CWT1G

Onsemi

PNP

SINGLE

YES

100 MHz

.15 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.65 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

420

150 Cel

4.5 pF

SILICON

45 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

2N3906BU

Onsemi

PNP

SINGLE

NO

250 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

-55 Cel

300 ns

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC846BM3T5G

Onsemi

NPN

SINGLE

YES

100 MHz

.64 W

.1 A

PLASTIC/EPOXY

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

65 V

MATTE TIN

DUAL

R-PDSO-F3

1

Not Qualified

e3

30

260

BC557BTA

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

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MMBT4401LT3G

Onsemi

NPN

SINGLE

YES

250 MHz

.3 W

.6 A

PLASTIC/EPOXY

SWITCHING

.75 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

.225 W

40

150 Cel

6.5 pF

SILICON

40 V

255 ns

-55 Cel

35 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

SBC857BLT1G

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

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

TO-236AB

e3

NOT SPECIFIED

NOT SPECIFIED

AEC-Q101

BC857ALT1G

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

45 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

40

260

BC33740TA

Onsemi

NPN

SINGLE

NO

100 MHz

.625 W

.8 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

170

150 Cel

SILICON

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC846BLT3G

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

Not Qualified

TO-236

e3

40

260

2N3906TFR

Onsemi

PNP

SINGLE

NO

250 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

300 ns

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

SBC847BPDW1T1G

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

e3

30

260

AEC-Q101

MMBT3904LT1

Onsemi

NPN

SINGLE

YES

300 MHz

.225 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/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e0

30

235

MMPQ6700

Onsemi

NPN AND PNP

SEPARATE, 4 ELEMENTS

YES

200 MHz

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

4

16

SMALL OUTLINE

BIP General Purpose Small Signal

70

SILICON

40 V

MATTE TIN

DUAL

R-PDSO-G16

3

Not Qualified

e3

30

260

MMUN2233LT1G

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.2 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

TO-236

e3

40

260

PN2907ATFR

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

BC33740BU

Onsemi

NPN

SINGLE

NO

100 MHz

.625 W

.8 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

170

150 Cel

SILICON

45 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

SMMBTA42LT3G

Onsemi

NPN

SINGLE

YES

50 MHz

.3 W

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

300 V

MATTE TIN

DUAL

R-PDSO-G3

1

TO-236AB

e3

30

260

AEC-Q101

BC856BWT1G

Onsemi

PNP

SINGLE

YES

100 MHz

.15 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.65 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

220

150 Cel

4.5 pF

SILICON

65 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

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