SINGLE 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

BC556BTA

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

65 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MPSA92PBFREE

Central Semiconductor

PNP

SINGLE

NO

50 MHz

.625 W

.5 A

1

Other Transistors

25

150 Cel

MATTE TIN OVER NICKEL

e3

PN2222ARLRPG

Onsemi

NPN

SINGLE

NO

300 MHz

1.5 W

.6 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

75

150 Cel

SILICON

40 V

35 ns

285 ns

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

2SC1815-GR

Micro Commercial Components

SINGLE

NO

80 MHz

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

30

240

BC817-40W-QF

Nexperia

NPN

SINGLE

YES

100 MHz

.29 W

.5 A

PLASTIC/EPOXY

SWITCHING

.7 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

250

150 Cel

3 pF

SILICON

45 V

-65 Cel

DUAL

R-PDSO-G3

AEC-Q101; IEC-60134

FMMT491TC

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

.5 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

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

BC847BLP-7

Diodes Incorporated

NPN

SINGLE

YES

100 MHz

.25 W

.1 A

PLASTIC/EPOXY

NO LEAD

RECTANGULAR

1

3

CHIP CARRIER

Other Transistors

200

150 Cel

SILICON

45 V

NICKEL PALLADIUM GOLD

BOTTOM

R-PBCC-N3

1

COLLECTOR

Not Qualified

HIGH RELIABILITY

e4

30

260

BC850C

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

420

150 Cel

SILICON

45 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

TO-236AB

e3

30

260

BC850-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

40

260

BC857BWH6327XTSA1

Infineon Technologies

PNP

SINGLE

YES

250 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

220

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

LOW NOISE

e3

AEC-Q101

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

PMST2222A,115

NXP Semiconductors

NPN

SINGLE

YES

300 MHz

.2 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

75

150 Cel

SILICON

40 V

35 ns

250 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BC848BE6327HTSA1

Infineon Technologies

NPN

SINGLE

YES

250 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

200

SILICON

30 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

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

FMMT491AQTA

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

35

SILICON

40 V

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

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

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

BC807-25/DG,215

NXP Semiconductors

PNP

SINGLE

YES

1

Other Transistors

150 Cel

BC848B-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

30 V

-65 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

HIGH RELIABILITY

e3

30

260

AEC-Q101

MPSA92BK

Diotec Semiconductor Ag

PNP

SINGLE

NO

70 MHz

.625 W

.5 A

PLASTIC/EPOXY

SWITCHING

.5 V

WIRE

ROUND

1

3

CYLINDRICAL

.625 W

25

150 Cel

7 pF

SILICON

300 V

-55 Cel

BOTTOM

O-PBCY-W3

TO-92

NOT SPECIFIED

NOT SPECIFIED

BC817-40-QR

Nexperia

NPN

SINGLE

YES

100 MHz

.345 W

.5 A

PLASTIC/EPOXY

SWITCHING

.7 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

250

150 Cel

3 pF

SILICON

45 V

-65 Cel

TIN

DUAL

R-PDSO-G3

1

TO-236AB

e3

30

260

AEC-Q101; IEC-60134

BCX54-16TA

Zetex Plc

NPN

SINGLE

YES

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

.5 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

100

150 Cel

15 pF

SILICON

45 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

FMMT491QTA

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

.5 W

1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

FMMT493ATA

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

.5 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

FMMT558TA

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.5 W

.15 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

400 V

95 ns

-55 Cel

1600 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

JANSR2N2222AUBC

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 (Sn/Pb)

DUAL

R-CDSO-N3

Qualified

e0

MIL-19500/255

2N3019E3

Microchip Technology

NPN

SINGLE

NO

100 MHz

1 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

15

SILICON

80 V

BOTTOM

O-MBCY-W3

TO-5

2N5087

Texas Instruments

PNP

SINGLE

NO

40 MHz

.35 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

250

150 Cel

SILICON

50 V

BOTTOM

O-PBCY-W3

Not Qualified

LOW NOISE

TO-92

NOT SPECIFIED

NOT SPECIFIED

BC807,215

NXP Semiconductors

PNP

SINGLE

YES

80 MHz

.25 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

MMBT3904-T

Rectron

NPN

SINGLE

YES

300 MHz

.3 W

1

Other Transistors

100

150 Cel

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

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

UFMMT593TA

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

50

SILICON

100 V

DUAL

R-PDSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2STR2230

STMicroelectronics

PNP

SINGLE

YES

100 MHz

.5 W

1.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

70

150 Cel

SILICON

30 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

260

BC546B-AP

Micro Commercial Components

NPN

SINGLE

NO

300 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

150 Cel

SILICON

65 V

Matte Tin (Sn)

BOTTOM

O-PBCY-T3

1

Not Qualified

TO-92

e3

10

260

BCP56-16,135

NXP Semiconductors

NPN

SINGLE

YES

180 MHz

1.35 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

1.5 W

100

150 Cel

SILICON

80 V

TIN

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

e3

30

260

AEC-Q101; IEC-60134

BCW66HTA

Diodes Incorporated

NPN

SINGLE

YES

100 MHz

.35 W

.8 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

180

150 Cel

SILICON

45 V

100 ns

400 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

CECC50002-233

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

MPSA06-AP

Micro Commercial Components

NPN

SINGLE

NO

100 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

100

150 Cel

SILICON

80 V

Matte Tin (Sn)

BOTTOM

O-PBCY-T3

1

Not Qualified

TO-92

e3

10

260

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

FMMT560TA

Diodes Incorporated

PNP

SINGLE

YES

60 MHz

.5 W

.15 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

80

150 Cel

SILICON

500 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

JANTX2N3440

Microchip Technology

NPN

SINGLE

NO

15 MHz

5 W

1 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

200 Cel

SILICON

250 V

1000 ns

10000 ns

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Qualified

TO-205AD

e0

MIL-19500

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

BC848W,115

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

110

150 Cel

3 pF

SILICON

30 V

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