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

BC847BS,115

NXP Semiconductors

NPN

SEPARATE, 2 ELEMENTS

YES

100 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

45 V

TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

2N2222AUBC

Microchip Technology

NPN

SINGLE

YES

.5 W

.8 A

CERAMIC, METAL-SEALED COFIRED

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

200 Cel

SILICON

50 V

35 ns

300 ns

TIN LEAD

DUAL

R-CDSO-N3

Not Qualified

e0

SMMBT2907ALT3G

Onsemi

PNP

SINGLE

YES

200 MHz

.3 W

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

60 V

45 ns

100 ns

MATTE TIN

DUAL

R-PDSO-G3

1

TO-236AB

e3

30

260

AEC-Q101

2N3904TAR

Onsemi

NPN

SINGLE

NO

300 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

250 ns

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MMBT3906,215

NXP Semiconductors

PNP

SINGLE

YES

250 MHz

.25 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

-65 Cel

300 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

IEC-60134

KSP13TA

Onsemi

NPN

DARLINGTON

NO

125 MHz

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

10000

150 Cel

SILICON

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MMBT3904LT1HTSA1

Infineon Technologies

NPN

SINGLE

YES

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

SILICON

40 V

70 ns

250 ns

DUAL

R-PDSO-G3

NOT SPECIFIED

NOT SPECIFIED

AEC-Q101

SMBT3904E6327HTSA1

Infineon Technologies

NPN

SINGLE

YES

300 MHz

.33 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

70

150 Cel

SILICON

40 V

70 ns

250 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

2N3904TA

Onsemi

NPN

SINGLE

NO

300 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

250 ns

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC547CBU

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

45 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC847CLT1G

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

SMMBT3904LT3G

Onsemi

NPN

SINGLE

YES

300 MHz

.225 W

.2 A

PLASTIC/EPOXY

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

TO-236AB

e3

30

260

AEC-Q101

SBC846BLT1G

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

MMBT2907AWT1G

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

Not Qualified

e3

30

260

BC856BLT1G

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

65 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

40

260

2N3904TF

Onsemi

NPN

SINGLE

NO

300 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

250 ns

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC847,215

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

110

150 Cel

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

IEC-60134

BC847-C

Infineon Technologies

NPN

SINGLE

YES

250 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

e3

JANTX2N2222AUA

Microchip Technology

NPN

SINGLE

YES

250 MHz

.5 W

.8 A

CERAMIC, METAL-SEALED COFIRED

SWITCHING

NO LEAD

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

30

200 Cel

SILICON

50 V

35 ns

300 ns

TIN LEAD

DUAL

R-CDSO-N4

Qualified

e0

MIL-19500/255

MMBT3906LT1HTSA1

Infineon Technologies

PNP

SINGLE

YES

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

150 Cel

SILICON

40 V

70 ns

300 ns

DUAL

R-PDSO-G3

NOT SPECIFIED

NOT SPECIFIED

AEC-Q101

BC847CW,115

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

420

150 Cel

3 pF

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

IEC-60134

JANTX2N2222AUB

Microchip Technology

NPN

SINGLE

YES

.8 A

CERAMIC, METAL-SEALED COFIRED

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

30

200 Cel

SILICON

50 V

35 ns

300 ns

TIN LEAD

DUAL

R-CDSO-N3

Qualified

e0

MIL-19500/255

BC846B-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

200

150 Cel

SILICON

65 V

-65 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

HIGH RELIABILITY

e3

30

260

AEC-Q101

BC847B-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

200

150 Cel

SILICON

45 V

-65 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

HIGH RELIABILITY

e3

30

260

AEC-Q101

BC817-40WT1G

Onsemi

NPN

SINGLE

YES

100 MHz

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

45 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

e3

30

260

BC817-25-7-F

Diodes Incorporated

NPN

SINGLE

YES

100 MHz

.31 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

HIGH RELIABILITY

e3

30

260

BC547CTFR

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

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

2N2222ACSM

Tt Electronics Plc

NPN

SINGLE

YES

300 MHz

.8 A

UNSPECIFIED

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

30

200 Cel

SILICON

50 V

35 ns

300 ns

DUAL

R-XDSO-N3

Not Qualified

HIGH RELIABILITY

NOT SPECIFIED

NOT SPECIFIED

SBC807-40LT1G

Onsemi

PNP

SINGLE

YES

100 MHz

.3 W

.5 A

PLASTIC/EPOXY

SWITCHING

.7 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

250

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

SMMBT3904WT1G

Onsemi

NPN

SINGLE

YES

300 MHz

.15 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

SBC846BDW1T1G

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

65 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G6

1

e3

30

260

AEC-Q101

2N3904-AP

STMicroelectronics

NPN

SINGLE

NO

270 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

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

ULN2803AFWG(C,ELHA)

Toshiba

NPN

COMPLEX

YES

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

8

18

SMALL OUTLINE

1000

SILICON

50 V

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G18

LOGIC LEVEL COMPATIBLE

e4

260

BC856B,215

NXP Semiconductors

PNP

SINGLE

YES

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

.65 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

220

150 Cel

SILICON

65 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

MMBT2222ALT3G

Onsemi

NPN

SINGLE

YES

300 MHz

.3 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

75

150 Cel

SILICON

40 V

35 ns

285 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236

e3

30

260

BC547CTA

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

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC547CT&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

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MMBT3906-TP

Micro Commercial Components

PNP

SINGLE

YES

250 MHz

.3 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

40 V

70 ns

-55 Cel

305 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

10

260

BC807-40LT1G

Onsemi

PNP

SINGLE

YES

100 MHz

.3 W

.5 A

PLASTIC/EPOXY

SWITCHING

.7 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

250

150 Cel

SILICON

45 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

TO-236

e3

40

260

MMBT3906T-7-F

Diodes Incorporated

PNP

SINGLE

YES

250 MHz

.15 W

.2 A

PLASTIC/EPOXY

.4 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

4.5 pF

SILICON

40 V

70 ns

-55 Cel

300 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

HIGH RELIABILITY

e3

30

260

AEC-Q101

BC817-40,235

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.25 W

.5 A

PLASTIC/EPOXY

SWITCHING

.7 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

250

150 Cel

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

SMBT2907AE6327HTSA1

Infineon Technologies

PNP

SINGLE

YES

200 MHz

.33 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

SILICON

60 V

50 ns

110 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

JANTX2N2222A

Microchip Technology

NPN

SINGLE

NO

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

30

200 Cel

SILICON

50 V

35 ns

-65 Cel

300 ns

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Qualified

TO-206AA

e0

MIL-19500/255

BC817-40W,135

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.2 W

.5 A

PLASTIC/EPOXY

SWITCHING

.7 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

250

150 Cel

5 pF

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BC817-25QAZ

NXP Semiconductors

NPN

SINGLE

YES

1

Other Transistors

150 Cel

SMMBTA56LT1G

Onsemi

PNP

SINGLE

YES

50 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-236AB

e3

30

260

AEC-Q101

BC846BW-7-F

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

65 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BC807-25LT1G

Onsemi

PNP

SINGLE

YES

100 MHz

.3 W

.5 A

PLASTIC/EPOXY

SWITCHING

.7 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

160

150 Cel

SILICON

45 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

TO-236

e3

40

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