Small Signal Bipolar Junction Transistors (BJT)

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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

2SA970

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

BC108BPBFREE

Central Semiconductor

NPN

SINGLE

NO

150 MHz

.2 A

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

200

SILICON

25 V

BOTTOM

O-MBCY-W3

TO-18

NOT SPECIFIED

NOT SPECIFIED

BC548BB1G

Taiwan Semiconductor

NPN

SINGLE

NO

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

.5 W

200

150 Cel

SILICON

30 V

-65 Cel

MATTE TIN

BOTTOM

O-PBCY-T3

1

TO-92

e3

10

260

BC640TA

Onsemi

PNP

SINGLE

NO

100 MHz

.8 W

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

80 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC640T&A

Continental Device India

PNP

SINGLE

NO

100 MHz

.8 W

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

80 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC807-16,235

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

BC847CHZGT116

ROHM

NPN

SINGLE

YES

300 MHz

.35 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.4 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

150 Cel

4 pF

SILICON

45 V

DUAL

R-PDSO-G3

AEC-Q101

BCX19,215

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.3 W

.5 A

PLASTIC/EPOXY

SWITCHING

.62 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

BSX46-16

NXP Semiconductors

NPN

SINGLE

NO

50 MHz

1 A

METAL

SWITCHING

1 V

WIRE

ROUND

1

3

CYLINDRICAL

6.25 W

35

200 Cel

20 pF

SILICON

60 V

200 ns

850 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-39

JAN2N2222AL

Microchip Technology

NPN

SINGLE

NO

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

30

200 Cel

SILICON

50 V

35 ns

300 ns

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Qualified

TO-206AA

e0

MIL-19500/255

JANS2N3439

Microchip Technology

NPN

SINGLE

NO

1 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

40

SILICON

350 V

1000 ns

10000 ns

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Qualified

TO-5

e0

MIL-19500/368F

JANTX2N5416S

Microchip Technology

PNP

SINGLE

NO

1 A

METAL

SWITCHING

WIRE

ROUND

1

4

CYLINDRICAL

30

200 Cel

SILICON

300 V

1000 ns

-65 Cel

10000 ns

TIN LEAD

BOTTOM

O-MBCY-W4

COLLECTOR

Qualified

TO-5

e0

MIL-19500/485H

LMUN5214T1G

Leshan Radio

NPN

YES

.31 W

.1 A

1

BIP General Purpose Small Signal

80

SILICON

MMBTA14LT1G

Onsemi

NPN

DARLINGTON

YES

125 MHz

.225 W

.3 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20000

150 Cel

SILICON

30 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

MPSA13RLRPG

Onsemi

NPN

DARLINGTON

NO

125 MHz

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

10000

150 Cel

SILICON

30 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

PDTC114TT,215

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

200

150 Cel

SILICON

50 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR

TO-236AB

e3

30

260

PEMD3,115

NXP Semiconductors

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

30

150 Cel

SILICON

50 V

TIN

DUAL

R-PDSO-F6

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

e3

30

260

PUMD3-QH

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

PUMD3-QZ

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

PUMD30,115

NXP Semiconductors

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.3 W

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

30

150 Cel

SILICON

50 V

TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

PZTA42T1

Onsemi

NPN

SINGLE

YES

50 MHz

1.5 W

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

300 V

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

TO-261AA

e0

30

235

SSTA06T116

ROHM

NPN

SINGLE

YES

100 MHz

.2 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

.25 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

80 V

TIN SILVER COPPER

DUAL

R-PDSO-G3

1

Not Qualified

e1

10

260

2SC1815-GRTIN/LEAD

Central Semiconductor

NPN

SINGLE

NO

80 MHz

.4 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

1 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.4 W

200

125 Cel

SILICON

50 V

-55 Cel

TIN LEAD

BOTTOM

O-PBCY-T3

TO-92

e0

2SD1815T-TL-E

Onsemi

NPN

SINGLE

YES

20 W

3 A

1

Other Transistors

200

150 Cel

TIN BISMUTH

1

e6

30

260

BC32716BU

Onsemi

PNP

SINGLE

NO

100 MHz

.625 W

.8 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

150 Cel

SILICON

45 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC556BBK

Diotec Semiconductor Ag

PNP

SINGLE

NO

150 MHz

.1 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

200

150 Cel

SILICON

65 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

BC817UE6327HTSA1

Infineon Technologies

NPN

SEPARATE, 2 ELEMENTS

YES

170 MHz

.5 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

100

SILICON

45 V

TIN

DUAL

R-PDSO-G6

1

e3

AEC-Q101

BC846BMTF_NL

Fairchild Semiconductor

NPN

SINGLE

YES

300 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

200

SILICON

65 V

MATTE TIN

DUAL

R-PDSO-G3

Not Qualified

e3

BC847CT116

ROHM

NPN

SINGLE

YES

200 MHz

.35 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

420

150 Cel

3 pF

SILICON

45 V

TIN SILVER COPPER

DUAL

R-PDSO-G3

1

Not Qualified

e1

10

260

BCR135F

Infineon Technologies

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

150 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

70

SILICON

50 V

DUAL

R-PDSO-F3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 4.7

BCX70HE6327HTSA1

Infineon Technologies

NPN

SINGLE

YES

250 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

70

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

BCX70J,215

NXP Semiconductors

NPN

SINGLE

YES

250 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

.55 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

90

150 Cel

SILICON

45 V

150 ns

800 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

TO-236AB

e3

30

260

EMX1DXV6T5G

Onsemi

NPN

SEPARATE, 2 ELEMENTS

YES

180 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

120

150 Cel

SILICON

50 V

MATTE TIN

DUAL

R-PDSO-F6

1

Not Qualified

e3

30

260

JANTX2N2920

Microchip Technology

NPN

SEPARATE, 2 ELEMENTS

NO

60 MHz

.3 W

.03 A

METAL

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

300

200 Cel

SILICON

60 V

-65 Cel

TIN LEAD

BOTTOM

O-MBCY-W6

Qualified

e0

MIL-19500/355J

MMST2222A

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.2 W

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

40 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

e0

MMUN2212LT1G

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

60

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

MPSA56RLRAG

Onsemi

PNP

SINGLE

NO

50 MHz

.625 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

80 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

PMBT3906M,315

NXP Semiconductors

PNP

SINGLE

YES

250 MHz

.59 W

.2 A

1

Other Transistors

100

150 Cel

TIN

1

e3

30

260

PMBT4403,215

NXP Semiconductors

PNP

SINGLE

YES

200 MHz

.3 W

.6 A

PLASTIC/EPOXY

SWITCHING

.75 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20

150 Cel

8.5 pF

SILICON

40 V

40 ns

350 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

PZTA42-TP

Micro Commercial Components

.2 A

25

300 V

MATTE TIN

1

e3

10

260

UFMMT459TA

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.15 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

50

150 Cel

SILICON

450 V

Matte Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

e3

40

260

BC856BS,135

NXP Semiconductors

PNP

SEPARATE, 2 ELEMENTS

YES

100 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

200

SILICON

65 V

DUAL

R-PDSO-G6

AEC-Q101; IEC-60134

BCP53-10HX

Nexperia

TIN

1

e3

30

260

BCP56,115

NXP Semiconductors

NPN

SINGLE

YES

180 MHz

1.5 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

1.5 W

40

150 Cel

SILICON

80 V

TIN

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

e3

30

260

AEC-Q101; IEC-60134

BCR135S-E6327

Infineon Technologies

NPN

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

150 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signals

70

SILICON

50 V

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 4.7

e3

260

BCV47TA

Diodes Incorporated

NPN

DARLINGTON

YES

170 MHz

.35 W

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

2

3

SMALL OUTLINE

Other Transistors

2000

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

BSS64LT1G

Onsemi

NPN

SINGLE

YES

60 MHz

.225 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20

150 Cel

SILICON

80 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

DSS5240T-7

Diodes Incorporated

PNP

SINGLE

YES

100 MHz

.6 W

2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

40 V

-55 Cel

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