SINGLE Small Signal Bipolar Junction Transistors (BJT) 2,400+

Reset All
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

BC817K25E6327HTSA1

Infineon Technologies

NPN

SINGLE

YES

170 MHz

.5 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

160

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

e3

AEC-Q101

BC846CLT1G

Onsemi

NPN

SINGLE

YES

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

.3 W

420

150 Cel

4.5 pF

SILICON

65 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

TO-236

e3

30

260

BC858CE6327HTSA1

Infineon Technologies

PNP

SINGLE

YES

250 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

SILICON

30 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

BCP51-16,135

NXP Semiconductors

PNP

SINGLE

YES

115 MHz

1 W

1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

1.5 W

100

150 Cel

SILICON

45 V

TIN

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

e3

30

260

MMBT3906LP-7

Diodes Incorporated

PNP

SINGLE

YES

300 MHz

1 W

.2 A

PLASTIC/EPOXY

.4 V

NO LEAD

RECTANGULAR

1

3

CHIP CARRIER

1 W

30

150 Cel

4.5 pF

SILICON

40 V

70 ns

-55 Cel

300 ns

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

BOTTOM

R-PBCC-N3

1

COLLECTOR

Not Qualified

HIGH RELIABILITY

e4

30

260

AEC-Q101

MMBT5550LT3G

Onsemi

NPN

SINGLE

YES

.3 W

.6 A

PLASTIC/EPOXY

SWITCHING

.25 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

20

150 Cel

SILICON

140 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

PBSS4160T,215

NXP Semiconductors

NPN

SINGLE

YES

220 MHz

.4 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

250

150 Cel

SILICON

60 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

PBSS4350T,215

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

1.2 W

2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

300

150 Cel

SILICON

50 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

2N1711S

Microchip Technology

NPN

SINGLE

NO

.5 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

50

200 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

TO-5

e0

BC857CW,135

NXP Semiconductors

PNP

SINGLE

YES

100 MHz

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

.65 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

420

150 Cel

5 pF

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BCX56

NXP Semiconductors

NPN

SINGLE

YES

130 MHz

2 W

1 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

25

150 Cel

SILICON

80 V

Tin (Sn)

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

TO-243

e3

30

260

2N3440PBFREE

Central Semiconductor

NPN

SINGLE

NO

15 MHz

1 W

1 A

METAL

.5 V

WIRE

ROUND

1

3

CYLINDRICAL

1 W

40

200 Cel

10 pF

SILICON

250 V

-65 Cel

MATTE TIN OVER NICKEL

BOTTOM

O-MBCY-W3

TO-39

e3

2N4401G

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

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

2PC4081R

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.2 W

.15 A

PLASTIC/EPOXY

SWITCHING

.4 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

180

150 Cel

3.5 pF

SILICON

50 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BC80740MTF

Onsemi

PNP

SINGLE

YES

100 MHz

.35 W

.8 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

170

150 Cel

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BC846BMB,315

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

1

3

CHIP CARRIER

Other Transistors

200

150 Cel

SILICON

65 V

TIN

BOTTOM

R-PBCC-N3

1

COLLECTOR

e3

30

260

AEC-Q101; IEC-60134

BC849-C

Infineon Technologies

NPN

SINGLE

YES

250 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

150 Cel

SILICON

30 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

e3

BC849CW

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.2 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

420

150 Cel

3 pF

SILICON

30 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

e3

30

260

BC857-A

Infineon Technologies

PNP

SINGLE

YES

250 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

125

SILICON

45 V

DUAL

R-PDSO-G3

1

LOW NOISE

BCP5410TA

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

2 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

63

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G4

1

COLLECTOR

HIGH RELIABILITY

e3

30

260

KSP2222ATA

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

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

KST3906MTF

Onsemi

PNP

SINGLE

YES

250 MHz

.35 W

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

SILICON

40 V

70 ns

300 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

MMBT2222LT1

Onsemi

NPN

SINGLE

YES

250 MHz

.225 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

30 V

35 ns

285 ns

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e0

30

235

PBSS5350T,215

NXP Semiconductors

PNP

SINGLE

YES

100 MHz

1.2 W

2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

50 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

PBSS5360PASX

Nexperia

PNP

SINGLE

YES

120 MHz

3 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

SQUARE

1

3

SMALL OUTLINE

80

SILICON

60 V

TIN

DUAL

S-PDSO-N3

1

COLLECTOR

e3

30

260

AEC-Q101; IEC-60134

SST3904T116

ROHM

NPN

SINGLE

YES

300 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

4 pF

SILICON

40 V

70 ns

250 ns

TIN SILVER COPPER

DUAL

R-PDSO-G3

1

Not Qualified

e1

10

260

ZTX458STOB

Diodes Incorporated

NPN

SINGLE

NO

50 MHz

.3 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

15

SILICON

400 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

2N4403TFR

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

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC549BTA

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e3

BC549BT&A

Continental Device India

NPN

SINGLE

NO

300 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e3

BC558-C

Infineon Technologies

PNP

SINGLE

NO

250 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

BOTTOM

O-PBCY-T3

Not Qualified

BC849CWH6327XTSA1

Infineon Technologies

NPN

SINGLE

YES

250 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

SILICON

30 V

TIN

DUAL

R-PDSO-G3

1

LOW NOISE

e3

BC857AW-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

125

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BCX69-25TA

Zetex Plc

PNP

SINGLE

YES

100 MHz

1 A

PLASTIC/EPOXY

SWITCHING

.5 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

160

150 Cel

25 pF

SILICON

20 V

MATTE TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e3

BCX6925TA

Diodes Incorporated

PNP

SINGLE

YES

100 MHz

1 W

1 A

PLASTIC/EPOXY

.5 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

160

150 Cel

25 pF

SILICON

20 V

-55 Cel

MATTE TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e3

30

260

KSA1013YBU

Onsemi

PNP

SINGLE

NO

50 MHz

.9 W

1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

160

150 Cel

SILICON

160 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

e3

KSC945YBU

Onsemi

NPN

SINGLE

NO

300 MHz

.25 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

150 Cel

SILICON

50 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MMBT2369ALT1

Onsemi

NPN

SINGLE

YES

500 MHz

.225 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20

150 Cel

SILICON

15 V

12 ns

-55 Cel

18 ns

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e0

30

235

MMBT3904-HF

Comchip Technology

NPN

SINGLE

YES

300 MHz

.2 W

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

60

150 Cel

SILICON

40 V

70 ns

250 ns

Tin (Sn)

DUAL

R-PDSO-G3

e3

10

260

NSS40300MZ4T1G

Onsemi

PNP

SINGLE

YES

160 MHz

2 W

3 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

40 V

MATTE TIN

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

TO-261AA

e3

30

260

PBSS5140T

NXP Semiconductors

PNP

SINGLE

YES

150 MHz

.3 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

160

150 Cel

SILICON

40 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

BC549CTA

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

LOW NOISE

TO-92

e3

BC549CT&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

LOW NOISE

TO-92

e3

BC550C

Onsemi

NPN

SINGLE

NO

250 MHz

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

45 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e0

235

BC550-C

Infineon Technologies

NPN

SINGLE

NO

200 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

e0

BCP51,115

NXP Semiconductors

PNP

SINGLE

YES

115 MHz

1.5 W

1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

1.5 W

25

150 Cel

SILICON

45 V

TIN

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

e3

30

260

BSS64AT116

ROHM

NPN

SINGLE

YES

140 MHz

.35 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

150 Cel

4 pF

SILICON

100 V

TIN

DUAL

R-PDSO-G3

e3

FMMT597TA

Diodes Incorporated

PNP

SINGLE

YES

75 MHz

.5 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

300 V

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