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

BC33725TAR

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

NSVMMBT2222AM3T5G

Onsemi

NPN

SINGLE

YES

300 MHz

.64 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

1 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

75

150 Cel

8 pF

SILICON

40 V

35 ns

-55 Cel

285 ns

MATTE TIN

DUAL

R-PDSO-F3

1

e3

30

260

AEC-Q101

BC817-16-7-F

Diodes Incorporated

NPN

SINGLE

YES

100 MHz

.31 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

60

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

HIGH RELIABILITY

e3

30

260

FCX690BTA

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

2 W

2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

150

150 Cel

SILICON

45 V

Matte Tin (Sn)

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e3

30

260

PZTA42T1G

Onsemi

NPN

SINGLE

YES

50 MHz

1.5 W

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

300 V

MATTE TIN

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

TO-261AA

e3

30

260

BCP56-10,115

NXP Semiconductors

NPN

SINGLE

YES

180 MHz

1.5 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

1.5 W

63

150 Cel

SILICON

80 V

TIN

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

e3

30

260

AEC-Q101; IEC-60134

JANTX2N2907A

Microchip Technology

PNP

SINGLE

NO

200 MHz

.4 W

.6 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

200 Cel

SILICON

60 V

45 ns

-65 Cel

300 ns

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Qualified

TO-206AA

e0

MIL-19500/291M

BC857BT-7-F

Diodes Incorporated

PNP

SINGLE

YES

100 MHz

.15 W

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

220

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

HIGH RELIABILITY

e3

30

260

SPZTA42T1G

Onsemi

NPN

SINGLE

YES

50 MHz

1.5 W

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

300 V

MATTE TIN

DUAL

R-PDSO-G4

1

COLLECTOR

TO-261AA

e3

30

260

AEC-Q101

BCR108WH6327XTSA1

Infineon Technologies

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

170 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

70

SILICON

50 V

TIN

DUAL

R-PDSO-G3

1

BUILT-IN BIAS RESISTOR RATIO IS 21.36

e3

AEC-Q101

BC817K40E6433HTMA1

Infineon Technologies

NPN

SINGLE

YES

170 MHz

.5 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

250

SILICON

45 V

DUAL

R-PDSO-G3

AEC-Q101

MMBT4403-7-F

Diodes Incorporated

PNP

SINGLE

YES

200 MHz

.3 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20

150 Cel

SILICON

40 V

35 ns

255 ns

Matte Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

AEC-Q101

BC856BW-7-F

Diodes Incorporated

PNP

SINGLE

YES

200 MHz

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

220

150 Cel

SILICON

65 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

ZTX753STZ

Diodes Incorporated

PNP

SINGLE

NO

100 MHz

2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

25

SILICON

100 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

CECC

JANTX2N2219A

Microchip Technology

NPN

SINGLE

NO

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

30

200 Cel

SILICON

50 V

35 ns

-55 Cel

300 ns

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Qualified

TO-205AD

e0

MIL-19500/251

ULN2003AIDRE4

Texas Instruments

NPN

COMPLEX

YES

.5 A

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

MS-012AC

e4

NOT SPECIFIED

260

SS8050CTA

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

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BCP56-10HX

Nexperia

TIN

1

e3

30

260

BCX41E6327HTSA1

Infineon Technologies

NPN

SINGLE

YES

100 MHz

.8 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

125 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

JANTX2N3019S

Microchip Technology

NPN

SINGLE

NO

1 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

100

200 Cel

SILICON

80 V

-65 Cel

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Qualified

TO-205AD

e0

MIL-19500/391H

MMBT2907ALT1

Onsemi

PNP

SINGLE

YES

200 MHz

.225 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

60 V

45 ns

-55 Cel

100 ns

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e0

30

235

BC847A-7-F

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

110

150 Cel

SILICON

45 V

-65 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

HIGH RELIABILITY

e3

30

260

AEC-Q101

BC847CDXV6T1G

Onsemi

NPN

SEPARATE, 2 ELEMENTS

YES

100 MHz

.5 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

420

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-F6

1

Not Qualified

e3

30

260

MMBTA06WT1G

Onsemi

NPN

SINGLE

YES

100 MHz

.15 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

e3

30

260

SMBTA92E6327HTSA1

Infineon Technologies

PNP

SINGLE

YES

50 MHz

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

25

150 Cel

SILICON

300 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

BC548CTA

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC548CT&A

Continental Device India

NPN

SINGLE

NO

300 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MMBT2907AM3T5G

Onsemi

PNP

SINGLE

YES

200 MHz

.64 W

.6 A

PLASTIC/EPOXY

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

60 V

45 ns

100 ns

MATTE TIN

DUAL

R-PDSO-F3

1

Not Qualified

e3

30

260

BC848B,215

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

30 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

BSR14D87Z

National Semiconductor

NPN

SINGLE

YES

300 MHz

.8 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

40 V

35 ns

285 ns

DUAL

R-PDSO-G3

Not Qualified

TO-236AB

UFMMT619TA

Diodes Incorporated

NPN

SINGLE

YES

165 MHz

2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

LMBT3904DW1T1G

Leshan Radio

NPN

YES

300 MHz

.15 W

.2 A

Other Transistors

100

150 Cel

BC848CWT1G

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

30 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

MMBT5401-7-F

Diodes Incorporated

PNP

SINGLE

YES

100 MHz

.35 W

.6 A

PLASTIC/EPOXY

SWITCHING

.5 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

.31 W

50

150 Cel

6 pF

SILICON

150 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

HIGH RELIABILITY

e3

30

260

AEC-Q101

MMBT3904LP-7

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

1 W

.2 A

PLASTIC/EPOXY

.3 V

NO LEAD

RECTANGULAR

1

3

CHIP CARRIER

1 W

30

150 Cel

4 pF

SILICON

40 V

70 ns

-55 Cel

250 ns

NICKEL PALLADIUM GOLD

BOTTOM

R-PBCC-N3

1

COLLECTOR

Not Qualified

HIGH RELIABILITY

e4

30

260

AEC-Q101

SMMBT2222AWT1G

Onsemi

NPN

SINGLE

YES

300 MHz

.15 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

40 V

35 ns

285 ns

MATTE TIN

DUAL

R-PDSO-G3

1

e3

30

260

AEC-Q101

ZTX653M1

Diodes Incorporated

NPN

SINGLE

YES

175 MHz

2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

25

SILICON

100 V

SINGLE

R-PSSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

CECC

BC817-16,235

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.33 W

.5 A

PLASTIC/EPOXY

SWITCHING

.7 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

BC847CLT3G

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

Not Qualified

TO-236

e3

40

260

BC856BMTF

Onsemi

PNP

SINGLE

YES

150 MHz

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

.65 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

6 pF

SILICON

65 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

ULN2004D1013TR

STMicroelectronics

NPN

COMPLEX

YES

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

7

16

SMALL OUTLINE

1000

150 Cel

SILICON

50 V

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G16

3

Not Qualified

LOGIC LEVEL COMPATIBLE

e4

260

ZTX653/753DCSM

Tt Electronics Plc

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

175 MHz

2 A

CERAMIC, METAL-SEALED COFIRED

NO LEAD

RECTANGULAR

2

6

SMALL OUTLINE

25

150 Cel

SILICON

100 V

DUAL

R-CDSO-N6

COLLECTOR

Not Qualified

HIGH RELIABILITY

NOT SPECIFIED

NOT SPECIFIED

2N1893

Texas Instruments

NPN

SINGLE

NO

50 MHz

.8 W

.5 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

200 Cel

SILICON

80 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

HIGH RELIABILITY

TO-39

NOT SPECIFIED

NOT SPECIFIED

BC857BDW1T1G

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

45 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

PZT2222A

Onsemi

NPN

SINGLE

YES

300 MHz

1.5 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

40 V

35 ns

-55 Cel

285 ns

TIN

DUAL

R-PDSO-G4

1

COLLECTOR

TO-261AA

e3

30

260

BC846SH6327XTSA1

Infineon Technologies

NPN

SEPARATE, 2 ELEMENTS

YES

250 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

200

SILICON

65 V

TIN

DUAL

R-PDSO-G6

1

e3

40

260

AEC-Q101

BC847BWH6327XTSA1

Infineon Technologies

NPN

SINGLE

YES

250 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

200

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

LOW NOISE

e3

BCX53-16TF

Nexperia

PNP

SINGLE

YES

140 MHz

1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

63

150 Cel

SILICON

80 V

-55 Cel

TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

e3

30

260

AEC-Q101; IEC-60134

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