Small Signal Bipolar Junction Transistors (BJT)

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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

ULN2003ANS

Texas Instruments

NPN

COMPLEX

YES

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

7

16

SMALL OUTLINE

SILICON

50 V

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

R-PDSO-G16

1

Not Qualified

LOGIC LEVEL COMPATIBLE

e4

NOT SPECIFIED

260

BCR108SH6327XTSA1

Infineon Technologies

NPN

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

170 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

70

SILICON

50 V

TIN

DUAL

R-PDSO-G6

1

BUILT-IN BIAS RESISTOR RATIO IS 21.36

e3

AEC-Q101

BC32725TA

Onsemi

PNP

SINGLE

NO

100 MHz

.625 W

.8 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC327-25T&A

Continental Device India

PNP

SINGLE

NO

100 MHz

.625 W

.8 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC847BPN,135

NXP Semiconductors

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

100 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

200

150 Cel

SILICON

45 V

TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

BCR135E6327HTSA1

Infineon Technologies

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

150 MHz

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signals

70

SILICON

50 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 21.3636

e3

PMBT2222A,235

NXP Semiconductors

NPN

SINGLE

YES

300 MHz

.25 W

.6 A

PLASTIC/EPOXY

SWITCHING

1 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

8 pF

SILICON

40 V

35 ns

-65 Cel

250 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

HIGH CURRENT DRIVER

TO-236AB

e3

30

260

SBC807-40WT1G

Onsemi

PNP

SINGLE

YES

100 MHz

.46 W

.5 A

1

Other Transistors

250

150 Cel

MATTE TIN

1

e3

30

260

MMBTA42-TP

Micro Commercial Components

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

Not Qualified

e3

10

260

FFB2227A

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

250 MHz

.3 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

75

150 Cel

SILICON

30 V

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

2N3906-AP

STMicroelectronics

PNP

SINGLE

NO

250 MHz

.625 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

297 ns

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC546-B

Infineon Technologies

NPN

SINGLE

NO

200 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

BOTTOM

O-PBCY-T3

Not Qualified

NSVMMBT2907AWT1G

Onsemi

PNP

SINGLE

YES

200 MHz

.15 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

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

e3

30

260

AEC-Q101

PN2222ATF

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

40 V

35 ns

285 ns

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MMBT3904-13-F

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

150 Cel

4 pF

SILICON

40 V

70 ns

-55 Cel

250 ns

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

2N2222APBFREE

Central Semiconductor

NPN

SINGLE

NO

250 MHz

METAL

SWITCHING

.3 V

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

8 pF

SILICON

40 V

285 ns

MATTE TIN

BOTTOM

O-MBCY-W3

1

TO-18

e3

30

260

BC548-B

Infineon Technologies

NPN

SINGLE

NO

200 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

e0

BC847BS-TP

Micro Commercial Components

NPN

SEPARATE, 2 ELEMENTS

YES

200 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

110

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

10

260

2N4401TF

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

35 ns

255 ns

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MMBT4401M3T5G

Onsemi

NPN

SINGLE

YES

250 MHz

.64 W

.6 A

PLASTIC/EPOXY

SWITCHING

.75 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

.64 W

100

150 Cel

6.5 pF

SILICON

40 V

35 ns

-55 Cel

255 ns

MATTE TIN

DUAL

R-PDSO-F3

1

Not Qualified

e3

30

260

SMMBT5551LT3G

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

SS8050CBU

Onsemi

NPN

SINGLE

NO

190 MHz

1 W

1.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

150 Cel

SILICON

25 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BSR14,215

NXP Semiconductors

NPN

SINGLE

YES

300 MHz

.25 W

.8 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

40 V

35 ns

250 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

BC846BLP4-7B

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

1 W

.1 A

PLASTIC/EPOXY

NO LEAD

RECTANGULAR

1

3

CHIP CARRIER

Other Transistors

200

150 Cel

SILICON

65 V

NICKEL PALLADIUM GOLD

BOTTOM

R-PBCC-N3

1

COLLECTOR

HIGH RELIABILITY

e4

30

260

AEC-Q101

BC337-40-AP

STMicroelectronics

NPN

SINGLE

NO

100 MHz

.625 W

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

250

150 Cel

SILICON

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

PN2222AT&A

Continental Device India

NPN

SINGLE

NO

300 MHz

.625 W

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

40 V

35 ns

285 ns

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

PN2222ATA

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

40 V

35 ns

285 ns

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

SS8050DTA

Onsemi

NPN

SINGLE

NO

190 MHz

1 W

1.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

160

150 Cel

SILICON

25 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC847BDW1T1G

Onsemi

NPN

SEPARATE, 2 ELEMENTS

YES

100 MHz

.38 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

45 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

BC337.16

Multicomp Pro

NPN

SINGLE

NO

200 MHz

1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

100

150 Cel

SILICON

45 V

-65 Cel

BOTTOM

O-PBCY-W3

TO-92

BC33716

Fairchild Semiconductor

NPN

SINGLE

NO

100 MHz

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

100

150 Cel

SILICON

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

PMBT2222AMYL

Nexperia

TIN

1

e3

30

260

BCP53-16TX

Nexperia

PNP

SINGLE

YES

140 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

100

SILICON

80 V

TIN

DUAL

R-PDSO-G4

1

COLLECTOR

e3

30

260

AEC-Q101; IEC-60134

MMBT4401T-7-F

Diodes Incorporated

NPN

SINGLE

YES

250 MHz

.15 W

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

40 V

35 ns

255 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

NSVBC848CLT1G

Onsemi

NPN

SINGLE

YES

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

150 Cel

4.5 pF

SILICON

30 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

TO-236

e3

30

260

AEC-Q101

BCX53-16TA

Zetex Plc

PNP

SINGLE

YES

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

.5 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

100

150 Cel

25 pF

SILICON

80 V

TIN LEAD

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

e0

BC847BS-QX

Nexperia

NPN

SEPARATE, 2 ELEMENTS

YES

100 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

.4 W

200

150 Cel

SILICON

45 V

-65 Cel

TIN

DUAL

R-PDSO-G6

1

e3

30

260

AEC-Q101; IEC-60134

KSP2222ABU

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.6 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

75

150 Cel

SILICON

40 V

35 ns

285 ns

TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC33725TFR

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

BCR112E6327HTSA1

Infineon Technologies

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

140 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

20

SILICON

50 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

e3

MMBTA92

Vishay Intertechnology

PNP

SINGLE

YES

50 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

25

150 Cel

SILICON

300 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

MMBT5551LT3G

Onsemi

NPN

SINGLE

YES

200 MHz

.3 W

.06 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

Not Qualified

TO-236AB

e3

30

260

BC847BT,115

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.15 W

.1 A

PLASTIC/EPOXY

SWITCHING

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

IEC-60134

ZTX651QSTZ

Diodes Incorporated

NPN

SINGLE

NO

140 MHz

1.5 W

2 A

1

Other Transistors

100

200 Cel

MATTE TIN

e3

30

260

ZTX651STOB

Diodes Incorporated

NPN

SINGLE

NO

140 MHz

2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

40

SILICON

60 V

Matte Tin (Sn)

SINGLE

R-PSIP-W3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

CECC

BSR16

Onsemi

PNP

SINGLE

YES

200 MHz

.35 W

.8 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

SILICON

60 V

45 ns

-55 Cel

100 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

ZTX651STOA

Diodes Incorporated

NPN

SINGLE

NO

140 MHz

2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

40

SILICON

60 V

Matte Tin (Sn)

SINGLE

R-PSIP-W3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

CECC

BC857CT-7-F

Diodes Incorporated

PNP

SINGLE

YES

100 MHz

.15 W

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

420

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

HIGH RELIABILITY

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