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

FMMT497TA

Diodes Incorporated

NPN

SINGLE

YES

75 MHz

.5 W

.5 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

JANTXV2N2222AUBP

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

-65 Cel

300 ns

DUAL

R-CDSO-N3

Not Qualified

MIL-19500

PBSS5440D,115

NXP Semiconductors

PNP

SINGLE

YES

110 MHz

2.5 W

4 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

6

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

SMMBT2222ALT1

Onsemi

NPN

SINGLE

YES

300 MHz

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

35

SILICON

40 V

35 ns

285 ns

TIN LEAD

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e0

235

2N5133

Onsemi

NPN

SINGLE

NO

40 MHz

.2 W

.05 A

UNSPECIFIED

.4 V

WIRE

ROUND

1

3

CYLINDRICAL

60

5 pF

SILICON

18 V

BOTTOM

O-XBCY-W3

TO-106

2N3906RLRAG

Onsemi

PNP

SINGLE

NO

250 MHz

1.5 W

.2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

300 ns

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

BC337-25RL1G

Onsemi

NPN

SINGLE

NO

210 MHz

1.5 W

.8 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

160

150 Cel

SILICON

45 V

Tin/Silver/Copper (Sn/Ag/Cu)

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e1

40

260

BC850CW,135

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

150 Cel

3 pF

SILICON

45 V

TIN

DUAL

R-PDSO-G3

Not Qualified

LOW NOISE

e3

BC856A-7-F

Diodes Incorporated

PNP

SINGLE

YES

200 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

125

150 Cel

SILICON

65 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

MMBT4403M3T5G

Onsemi

NPN

SINGLE

YES

200 MHz

.64 W

.6 A

PLASTIC/EPOXY

SWITCHING

.75 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

.64 W

100

150 Cel

8.5 pF

SILICON

40 V

35 ns

-55 Cel

255 ns

MATTE TIN

DUAL

R-PDSO-F3

1

e3

30

260

BC847CW

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 (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BC857W,115

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

125

150 Cel

5 pF

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

KSC945CYTA

Onsemi

NPN

SINGLE

NO

300 MHz

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

150 Cel

SILICON

50 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

NSVMMBT5550LT1G

Onsemi

NPN

SINGLE

YES

.3 W

.6 A

PLASTIC/EPOXY

.25 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

20

150 Cel

SILICON

140 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

TO-236

e3

30

260

AEC-Q101

SMMBT6521LT1G

Onsemi

NPN

SINGLE

YES

.3 W

.1 A

1

Other Transistors

300

150 Cel

MATTE TIN

1

e3

30

260

ZTX550

Diodes Incorporated

PNP

SINGLE

NO

150 MHz

1 W

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

Other Transistors

15

200 Cel

SILICON

45 V

MATTE TIN

SINGLE

R-PSIP-W3

1

Not Qualified

TO-92

e3

30

260

JAN2N3700

Microchip Technology

NPN

SINGLE

NO

100 MHz

1 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

100

175 Cel

SILICON

80 V

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Qualified

TO-18

e0

MIL-19500/391H

KSD1616AGBU

Onsemi

NPN

SINGLE

NO

160 MHz

.75 W

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

60 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

2N6520TA

Onsemi

PNP

SINGLE

NO

40 MHz

.625 W

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

15

150 Cel

SILICON

350 V

200 ns

3.5 ns

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

2N6520T&A

Continental Device India

PNP

SINGLE

NO

40 MHz

.625 W

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

15

150 Cel

SILICON

350 V

200 ns

3.5 ns

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC858CLT3G

Onsemi

PNP

SINGLE

YES

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

420

150 Cel

SILICON

30 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

40

260

2N3700UB

Microchip Technology

NPN

SINGLE

YES

100 MHz

.5 W

1 A

CERAMIC, METAL-SEALED COFIRED

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

15

175 Cel

SILICON

80 V

TIN LEAD

DUAL

R-CDSO-N3

Not Qualified

HIGH RELIABILITY

e0

2SA970-BL

Toshiba

PNP

SINGLE

NO

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

350

125 Cel

SILICON

120 V

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e0

2SA970BL

Continental Device India

PNP

SINGLE

NO

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

350

125 Cel

SILICON

120 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

BC849CW,115

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

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

e3

30

260

BC857BW,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

220

150 Cel

5 pF

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BC857CW-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

420

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

2N3439

Texas Instruments

NPN

SINGLE

NO

15 MHz

5 W

1 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

200 Cel

SILICON

350 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

2N4401-AP

Micro Commercial Components

NPN

SINGLE

NO

250 MHz

.6 W

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

SILICON

40 V

35 ns

255 ns

Matte Tin (Sn)

BOTTOM

O-PBCY-T3

1

Not Qualified

TO-92

e3

10

260

SS8050BBU

Onsemi

NPN

SINGLE

NO

190 MHz

1 W

1.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

85

150 Cel

SILICON

25 V

Tin (Sn)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

FMMT491A

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

.5 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

35

150 Cel

SILICON

40 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BC549-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

BC549C

Vishay Intertechnology

NPN

SINGLE

NO

300 MHz

.1 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

420

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-W3

1

Not Qualified

LOW NOISE

TO-226AA

e3

BC847CW-QF

Nexperia

NPN

SINGLE

YES

100 MHz

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

.4 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

150 Cel

1.5 pF

SILICON

45 V

-65 Cel

DUAL

R-PDSO-G3

AEC-Q101; IEC-60134

BC847A-TP

Micro Commercial Components

NPN

SINGLE

YES

100 MHz

.225 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

110

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

10

260

JANS2N2907AUBC

Microchip Technology

PNP

SINGLE

YES

1 W

.6 A

CERAMIC, METAL-SEALED COFIRED

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

200 Cel

SILICON

60 V

45 ns

300 ns

TIN LEAD

DUAL

R-CDSO-N3

Qualified

e0

MIL-19500/291

JANTXV2N3700UB

Microchip Technology

NPN

SINGLE

YES

1 A

CERAMIC, METAL-SEALED COFIRED

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

15

175 Cel

SILICON

80 V

TIN LEAD

DUAL

R-CDSO-N3

Qualified

HIGH RELIABILITY

e0

MIL-19500

MMBT5401Q-7-F

Diodes Incorporated

PNP

SINGLE

YES

100 MHz

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

50

SILICON

150 V

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

UFMMT624TA

Diodes Incorporated

NPN

SINGLE

YES

155 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

125 V

DUAL

R-PDSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

BC546CTA

Onsemi

NPN

SINGLE

NO

300 MHz

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

65 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e3

BC546CT&A

Continental Device India

NPN

SINGLE

NO

300 MHz

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

65 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e3

BC856BM3T5G

Onsemi

PNP

SINGLE

YES

100 MHz

.64 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

220

150 Cel

SILICON

65 V

MATTE TIN

DUAL

R-PDSO-F3

1

Not Qualified

e3

30

260

BCX55-16TA

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

60 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

SBC848BLT1G

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

30 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

TO-236

e3

NOT SPECIFIED

NOT SPECIFIED

AEC-Q101

ZXTN2031FTA

Diodes Incorporated

NPN

SINGLE

YES

125 MHz

5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

80

150 Cel

SILICON

50 V

43 ns

512 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

260

2SC1815-Y(F)

Toshiba

NPN

SINGLE

NO

80 MHz

.4 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

125 Cel

SILICON

50 V

BOTTOM

O-PBCY-T3

TO-92

NOT SPECIFIED

NOT SPECIFIED

BC337-25ZL1G

Onsemi

NPN

SINGLE

NO

210 MHz

1.5 W

.8 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

160

150 Cel

SILICON

45 V

Tin/Silver/Copper (Sn/Ag/Cu)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

40

260

BC817-25W,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

160

150 Cel

5 pF

SILICON

45 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