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

DDTC123ECA-7-F

Diodes Incorporated

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.2 W

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

20

150 Cel

SILICON

50 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

e3

30

260

FMB3904

Onsemi

NPN

SEPARATE, 2 ELEMENTS

YES

250 MHz

.7 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

38 ns

175 ns

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

JANS2N2222AUA/TR

Microsemi

JANSR2N2222AUA/TR

Microsemi

JANSR2N2222AUBG

STMicroelectronics

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

JANTX2N3810

Microchip Technology

PNP

SEPARATE, 2 ELEMENTS

NO

.05 A

METAL

WIRE

ROUND

2

6

CYLINDRICAL

125

200 Cel

SILICON

60 V

TIN LEAD

BOTTOM

O-MBCY-W6

Qualified

TO-78

e0

MIL-19500

JANTX2N4033UA

Microchip Technology

PNP

SINGLE

YES

1 A

CERAMIC, METAL-SEALED COFIRED

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

25

200 Cel

SILICON

80 V

40 ns

210 ns

TIN LEAD

DUAL

R-CDSO-N3

Qualified

e0

MIL-19500/512

JANTXV2N2907AL

Microchip Technology

PNP

SINGLE

NO

1.8 W

.6 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

200 Cel

SILICON

60 V

45 ns

300 ns

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Qualified

TO-206AA

e0

MIL-19500/291

KSP8099TF

Fairchild Semiconductor

NPN

SINGLE

NO

150 MHz

.625 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

75

150 Cel

SILICON

80 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MMBTA28-7-F

Diodes Incorporated

NPN

DARLINGTON

YES

125 MHz

.3 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

10000

150 Cel

SILICON

80 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

MMDT2227-7-F

Diodes Incorporated

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

300 MHz

.2 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signals

40

150 Cel

SILICON

40 V

35 ns

285 ns

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

MMPQ3904

Onsemi

NPN

SEPARATE, 4 ELEMENTS

YES

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

4

16

SMALL OUTLINE

Other Transistors

75

150 Cel

SILICON

40 V

MATTE TIN

DUAL

R-PDSO-G16

3

Not Qualified

e3

30

260

MPS-A18

ROHM

NPN

SINGLE

NO

100 MHz

.625 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

500

150 Cel

3 pF

SILICON

45 V

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

MPS751

Onsemi

PNP

SINGLE

NO

75 MHz

.625 W

2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

60 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MPSA18

Vishay Intertechnology

NPN

NO

100 MHz

.2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

500

SILICON

45 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-226AA

NSVMMBT6429LT1G

Onsemi

NPN

SINGLE

YES

100 MHz

.3 W

.2 A

1

Other Transistors

500

150 Cel

MATTE TIN

1

e3

30

260

PBSS5540X,135

NXP Semiconductors

PNP

SINGLE

YES

60 MHz

2.5 W

4 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

250

150 Cel

SILICON

40 V

TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

TO-243AA

e3

30

260

PDTA114YT,215

NXP Semiconductors

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

180 MHz

.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 4.7

TO-236AB

e3

30

260

PDTC123EMB,315

NXP Semiconductors

NPN

YES

.25 W

.1 A

1

BIP General Purpose Small Signal

30

SILICON

TIN

1

e3

30

260

PIMC31,115

NXP Semiconductors

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.42 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signals

70

SILICON

50 V

TIN

DUAL

R-PDSO-G6

1

BUILT IN BAIS RESISTOR RATIO IS 10

e3

30

260

PMMT491A,215

NXP Semiconductors

NPN

SINGLE

YES

150 MHz

.25 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

40 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

PMST6429,115

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.2 W

.2 A

PLASTIC/EPOXY

SWITCHING

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

500

150 Cel

3 pF

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

PZT751T1G

Onsemi

PNP

SINGLE

YES

75 MHz

.8 W

2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

TO-261AA

e3

30

260

PZTA92,115

NXP Semiconductors

PNP

SINGLE

YES

50 MHz

1.5 W

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

25

150 Cel

SILICON

300 V

TIN

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

e3

30

260

S8550H

Changzhou Galaxy Century Microelectronics

PNP

SINGLE

YES

150 MHz

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

200

SILICON

25 V

DUAL

R-PDSO-G3

UMZ1NT1G

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

114 MHz

.256 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

200

150 Cel

SILICON

50 V

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

ZTX692B

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

1 W

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

Other Transistors

150

200 Cel

SILICON

70 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

ZTX705STZ

Diodes Incorporated

PNP

DARLINGTON

NO

160 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

2000

SILICON

120 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

CECC

2N5088

Vishay Intertechnology

NPN

SINGLE

NO

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

300

SILICON

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

2N5088G

Onsemi

NPN

SINGLE

NO

50 MHz

.35 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

350

150 Cel

SILICON

30 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e1

260

2N5416U4

Microchip Technology

GOLD OVER NICKEL

e4

2N5550TAR

Onsemi

NPN

SINGLE

NO

100 MHz

.35 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

150 Cel

SILICON

140 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

2SA970-GR

Toshiba

PNP

SINGLE

NO

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

125 Cel

SILICON

120 V

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e0

2SA970GR

Continental Device India

PNP

SINGLE

NO

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

125 Cel

SILICON

120 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

2SB1188T100Q

ROHM

PNP

SINGLE

YES

100 MHz

2 W

2 A

PLASTIC/EPOXY

AMPLIFIER

.8 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

2 W

120

150 Cel

SILICON

32 V

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

10

260

2SB772-P

Renesas Electronics

PNP

SINGLE

NO

80 MHz

1 W

3 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

Other Transistors

160

150 Cel

SILICON

30 V

TIN LEAD

SINGLE

R-PSFM-T3

COLLECTOR

Not Qualified

e0

2SB772-Q

Renesas Electronics

PNP

SINGLE

NO

80 MHz

1 W

3 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

Other Transistors

100

150 Cel

SILICON

30 V

TIN LEAD

SINGLE

R-PSFM-T3

COLLECTOR

Not Qualified

e0

2SB772P

New Jersey Semiconductor Products

PNP

SINGLE

NO

80 MHz

10 W

3 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

1 W

160

150 Cel

55 pF

SILICON

30 V

SINGLE

R-PSFM-T3

TO-126

2SB772SP

Bytesonic Electronics

PNP

SINGLE

NO

80 MHz

.6 W

3 A

PLASTIC/EPOXY

SWITCHING

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.6 W

160

150 Cel

45 pF

SILICON

30 V

BOTTOM

O-PBCY-T3

TO-92

2SC3279

Micro Commercial Components

NPN

SINGLE

NO

150 MHz

2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

70

SILICON

10 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

2SC3279M

Bytesonic Electronics

NPN

SINGLE

NO

150 MHz

.75 W

2 A

PLASTIC/EPOXY

AMPLIFIER

.82 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.75 W

200

150 Cel

27 pF

SILICON

10 V

-55 Cel

BOTTOM

O-PBCY-T3

TO-92

2SC3279-M

Micro Commercial Components

SINGLE

NO

150 MHz

750 W

2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

10 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

30

240

2SCR554PT100

ROHM

NPN

SINGLE

YES

300 MHz

2 W

1.5 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

120

150 Cel

SILICON

80 V

TIN COPPER

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e2

10

260

ASS8550-H-HF

Comchip Technology

PNP

SINGLE

YES

100 MHz

.3 W

1.5 A

PLASTIC/EPOXY

.5 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

.3 W

200

150 Cel

SILICON

25 V

DUAL

R-PDSO-G3

AEC-Q101

BC517

Onsemi

NPN

DARLINGTON

NO

200 MHz

1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30000

150 Cel

SILICON

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-226AA

e0

235

BC547C,116

NXP Semiconductors

NPN

SINGLE

NO

100 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

.6 V

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

BC548BBU

Fairchild Semiconductor

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

TO-92

e3

BC557AZL1G

Onsemi

PNP

SINGLE

NO

320 MHz

1.5 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

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

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