Small Signal Bipolar Junction Transistors (BJT)

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

BC856BWQ-7

Diodes Incorporated

MATTE TIN

e3

260

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

BCM857BS-7-F

Diodes Incorporated

PNP

SEPARATE, 2 ELEMENTS

YES

100 MHz

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

220

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G6

HIGH RELIABILITY

e3

260

AEC-Q101

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

JAN2N2222AUA/TR

Microsemi

JANTX2N2060

Microchip Technology

NPN

SEPARATE, 2 ELEMENTS

NO

60 MHz

.5 W

.5 A

METAL

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

50

200 Cel

SILICON

60 V

TIN LEAD

BOTTOM

O-MBCY-W6

Qualified

TO-78

e0

MIL-19500/270

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

PDTC124ET,215

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

100 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

60

150 Cel

3.5 pF

SILICON

50 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

e3

30

260

SBC847BPDW1T3G

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

100 MHz

.38 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.65 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

200

150 Cel

4.5 pF

SILICON

45 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G6

1

e3

30

260

AEC-Q101

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

BC846BS-QF

Nexperia

NPN

SEPARATE, 2 ELEMENTS

YES

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

200

150 Cel

1.9 pF

SILICON

65 V

-55 Cel

DUAL

R-PDSO-G6

AEC-Q101; IEC-60134

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

PBSS4160DPN,115

NXP Semiconductors

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

220 MHz

.7 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

250

150 Cel

SILICON

60 V

TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

PDTC123JT,235

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

100

150 Cel

SILICON

50 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 21.36

TO-236AB

e3

30

260

ZTX605STZ

Diodes Incorporated

NPN

DARLINGTON

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

500

SILICON

120 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

CECC

2N2905AP

Microsemi

2N4033

Texas Instruments

PNP

SINGLE

NO

150 MHz

.8 W

1 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

75

175 Cel

SILICON

80 V

100 ns

400 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-39

NOT SPECIFIED

NOT SPECIFIED

2SA1015-Y

Micro Commercial Components

SINGLE

NO

80 MHz

.15 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

2SA1015Y

Continental Device India

PNP

SINGLE

NO

80 MHz

.4 W

.15 A

PLASTIC/EPOXY

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

125 Cel

7 pF

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

BC849CE6327HTSA1

Infineon Technologies

NPN

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

LOW NOISE

e3

BCR133E6327XT

Infineon Technologies

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

130 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

SILICON

50 V

MATTE TIN

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

e3

40

260

BCX6825H6327XTSA1

Infineon Technologies

NPN

SINGLE

YES

100 MHz

3 W

1 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

160

150 Cel

SILICON

20 V

Tin (Sn)

SINGLE

R-PSSO-F3

1

COLLECTOR

e3

NOT SPECIFIED

NOT SPECIFIED

AEC-Q101

JANTX2N2920U

Microchip Technology

NPN

SEPARATE, 2 ELEMENTS

NO

1.25 W

.03 A

METAL

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

300

200 Cel

SILICON

60 V

BOTTOM

O-MBCY-W6

Qualified

TO-78

NOT SPECIFIED

NOT SPECIFIED

MIL-19500/355

KSC945GTA

Onsemi

NPN

SINGLE

NO

300 MHz

.25 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

50 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

M63816FP

Mitsubishi Electric

NPN

COMPLEX

YES

.3 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

8

20

SMALL OUTLINE

50

SILICON

35 V

TIN LEAD

DUAL

R-PDSO-G20

Not Qualified

e0

MMUN2213LT1G

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

80

150 Cel

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

TO-236

e3

40

260

MPSA13PBFREE

Central Semiconductor

NPN

DARLINGTON

NO

125 MHz

.625 W

.5 A

PLASTIC/EPOXY

1.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.625 W

10000

150 Cel

SILICON

30 V

-65 Cel

MATTE TIN OVER NICKEL

BOTTOM

O-PBCY-T3

TO-92

e3

MPSA56-AP

Micro Commercial Components

PNP

SINGLE

NO

50 MHz

.5 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

100

150 Cel

SILICON

80 V

Matte Tin (Sn)

BOTTOM

O-PBCY-W3

1

Not Qualified

TO-92

e3

10

260

NSVBC858CLT1G

Onsemi

PNP

SINGLE

YES

100 MHz

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

SILICON

30 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

TO-236AB

e3

30

260

AEC-Q101

PDTC143ZT,235

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

100

150 Cel

SILICON

50 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 10

TO-236AB

e3

30

260

PUMD13,115

NXP Semiconductors

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

100

150 Cel

SILICON

50 V

TIN

DUAL

R-PDSO-G6

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 10

e3

30

260

PUMD3-QF

Nexperia

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

.1 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

30

150 Cel

2.5 pF

SILICON

50 V

-65 Cel

DUAL

R-PDSO-G6

BUILT IN BIAS RESISTOR RATIO IS 1

AEC-Q101; IEC-60134

PUMH9,115

NXP Semiconductors

NPN

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

100

150 Cel

SILICON

50 V

TIN

DUAL

R-PDSO-G6

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 4.7

e3

30

260

PZT3904

Onsemi

NPN

SINGLE

YES

300 MHz

1.5 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

250 ns

TIN

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

e3

30

260

SS9014DBU

Onsemi

NPN

SINGLE

NO

270 MHz

.45 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

400

150 Cel

SILICON

45 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e3

ZTX690B

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

1 W

2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

Other Transistors

150

200 Cel

SILICON

45 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

2N4854U

Microchip Technology

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

.6 A

PLASTIC/EPOXY

FLAT

RECTANGULAR

2

6

FLATPACK

35

200 Cel

SILICON

40 V

45 ns

300 ns

TIN LEAD

DUAL

R-PDFP-F6

Not Qualified

e0

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