.5 W Small Signal Bipolar Junction Transistors (BJT) 101

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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

EMD5DXV6T1G

Onsemi

NPN AND PNP

YES

.5 W

.1 A

2

BIP General Purpose Small Signal

20

SILICON

TIN

1

e3

260

NSVB143TPDXV6T1G

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

160

SILICON

50 V

DUAL

R-PDSO-F6

BUILT IN BIAS RESISTOR

AEC-Q101

NSVB144EPDXV6T1G

Onsemi

NPN AND PNP

YES

.5 W

.1 A

2

BIP General Purpose Small Signal

80

SILICON

FMMT560QTC

Diodes Incorporated

PNP

SINGLE

YES

60 MHz

.5 W

.15 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

80

150 Cel

SILICON

500 V

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

FMMT491QTC

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

.5 W

1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

BC548CB1G

Taiwan Semiconductor

NPN

SINGLE

NO

.5 W

.1 A

1

Other Transistors

420

150 Cel

MATTE TIN

1

e3

10

260

BC549CB1G

Taiwan Semiconductor

NPN

SINGLE

NO

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

.5 W

420

150 Cel

SILICON

30 V

-65 Cel

MATTE TIN

BOTTOM

O-PBCY-T3

1

TO-92

e3

10

260

RN6002

Toshiba

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

120 MHz

.5 W

2 A

PLASTIC/EPOXY

SWITCHING

.5 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

1 W

50

150 Cel

SILICON

30 V

TIN LEAD

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

BUILT IN BIAS RESISTOR

e0

NSVB114YPDXV6T1G

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

80

SILICON

50 V

DUAL

R-PDSO-F6

BUILT-IN BIAS RESISTOR RATIO 4.7

AEC-Q101

2SD2153T100V

ROHM

NPN

SINGLE

YES

110 MHz

.5 W

2 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

2 W

820

150 Cel

SILICON

25 V

Tin/Copper (Sn/Cu)

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e2

10

260

NSBC143TPDXV6T5G

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

160

SILICON

50 V

TIN

DUAL

R-PDSO-F6

1

Not Qualified

BUILT IN BIAS RESISTOR

e3

30

260

EMF5XV6T5G

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.5 W

.1 A

PLASTIC/EPOXY

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

80

150 Cel

SILICON

50 V

MATTE TIN

DUAL

R-PDSO-F6

1

Not Qualified

BUILT IN BIAS RESISTOR RATIO 1

e3

30

260

NSBC114EPDXV6T5G

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

35

150 Cel

SILICON

50 V

MATTE TIN

DUAL

R-PDSO-F6

1

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

e3

30

260

NSBC114YPDXV6T5G

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

80

150 Cel

SILICON

50 V

MATTE TIN

DUAL

R-PDSO-F6

1

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 4.7

e3

30

260

NSBC124EPDXV6T5G

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

60

150 Cel

SILICON

50 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-F6

1

Not Qualified

BUILT IN BIAS RESISTANCE RATIO IS 1

e3

30

260

NSBC144EPDXV6T5G

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

80

150 Cel

SILICON

50 V

MATTE TIN

DUAL

R-PDSO-F6

1

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

e3

30

260

KSA992PBU

Fairchild Semiconductor

PNP

SINGLE

NO

100 MHz

.5 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

120 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e3

KSA992PTA

Fairchild Semiconductor

PNP

SINGLE

NO

100 MHz

.5 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

120 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e3

PDTB123ES,126

NXP Semiconductors

PNP

NO

.5 W

.5 A

1

BIP General Purpose Small Signal

40

SILICON

PDTD113ES,126

NXP Semiconductors

NPN

NO

.5 W

.5 A

1

BIP General Purpose Small Signal

33

SILICON

2N3904,412

NXP Semiconductors

NPN

SINGLE

NO

300 MHz

.5 W

.2 A

PLASTIC/EPOXY

SWITCHING

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

4 pF

SILICON

40 V

65 ns

240 ns

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N3906,116

NXP Semiconductors

PNP

SINGLE

NO

250 MHz

.5 W

.2 A

PLASTIC/EPOXY

SWITCHING

.4 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

4.5 pF

SILICON

40 V

65 ns

-65 Cel

300 ns

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2PA1015GR,126

NXP Semiconductors

PNP

SINGLE

NO

80 MHz

.5 W

.15 A

PLASTIC/EPOXY

SWITCHING

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

7 pF

SILICON

50 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

2PC1815BL,126

NXP Semiconductors

NPN

SINGLE

NO

80 MHz

.5 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

3.5 pF

SILICON

50 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

2PC1815GR,126

NXP Semiconductors

NPN

SINGLE

NO

80 MHz

.5 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

3.5 pF

SILICON

50 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

2PC1815GR,412

NXP Semiconductors

NPN

SINGLE

NO

80 MHz

.5 W

.15 A

PLASTIC/EPOXY

SWITCHING

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

3.5 pF

SILICON

50 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

2PC1815Y,126

NXP Semiconductors

NPN

SINGLE

NO

80 MHz

.5 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

3.5 pF

SILICON

50 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

2PC1815Y,412

NXP Semiconductors

NPN

SINGLE

NO

80 MHz

.5 W

.15 A

PLASTIC/EPOXY

SWITCHING

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

150 Cel

3.5 pF

SILICON

50 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC547C,112

NXP Semiconductors

NPN

SINGLE

NO

100 MHz

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

.6 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

45 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC549C,112

NXP Semiconductors

NPN

SINGLE

NO

100 MHz

.5 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.6 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

30 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e3

BC556A,112

NXP Semiconductors

PNP

SINGLE

NO

100 MHz

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

.65 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

125

150 Cel

SILICON

65 V

TIN

BOTTOM

O-PBCY-T3

1

Not Qualified

TO-92

e3

BC557B,112

NXP Semiconductors

PNP

SINGLE

NO

100 MHz

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

.65 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

220

150 Cel

SILICON

45 V

Tin (Sn)

BOTTOM

O-PBCY-T3

1

Not Qualified

TO-92

e3

40

250

BC557C,112

NXP Semiconductors

PNP

SINGLE

NO

100 MHz

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

.65 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

45 V

TIN

BOTTOM

O-PBCY-T3

1

Not Qualified

TO-92

e3

BF370,112

NXP Semiconductors

NPN

SINGLE

NO

500 MHz

.5 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

15 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

PH2369,112

NXP Semiconductors

NPN

SINGLE

NO

500 MHz

.5 W

.2 A

PLASTIC/EPOXY

SWITCHING

.25 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

150 Cel

4 pF

SILICON

15 V

10 ns

20 ns

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

FMMT491-TP

Micro Commercial Components

NPN

SINGLE

YES

150 MHz

.5 W

1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

80

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

10

260

KSC1845FBU

Fairchild Semiconductor

NPN

SINGLE

NO

110 MHz

.5 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

300

150 Cel

SILICON

120 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e3

BC847BPDXV6T1

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

100 MHz

.5 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

200

150 Cel

SILICON

45 V

TIN

DUAL

R-PDSO-F6

1

Not Qualified

e3

30

260

BC858CDXV6T5

Onsemi

PNP

SEPARATE, 2 ELEMENTS

YES

100 MHz

.5 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

420

150 Cel

SILICON

30 V

TIN

DUAL

R-PDSO-F6

1

Not Qualified

e3

260

NST3904DXV6T5

Onsemi

NPN

SEPARATE, 2 ELEMENTS

YES

300 MHz

.5 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

250 ns

TIN

DUAL

R-PDSO-F6

1

Not Qualified

e3

30

260

NST3946DXV6T1

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

300 MHz

.5 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

30

150 Cel

SILICON

40 V

70 ns

250 ns

TIN

DUAL

R-PDSO-F6

1

Not Qualified

e3

260

NST3946DXV6T5

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

300 MHz

.5 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

30

150 Cel

SILICON

40 V

70 ns

250 ns

TIN

DUAL

R-PDSO-F6

1

Not Qualified

e3

30

260

NSBA113EDXV6T1

Onsemi

PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

3

SILICON

50 V

TIN

DUAL

R-PDSO-F6

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

e3

260

NSBA114TDXV6T1

Onsemi

PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

160

SILICON

50 V

TIN

DUAL

R-PDSO-F6

1

Not Qualified

BUILT IN BIAS RESISTOR

e3

260

NSBA114YDXV6T1

Onsemi

PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

80

SILICON

50 V

TIN

DUAL

R-PDSO-F6

1

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 0.21

e3

30

260

NSBA123EDXV6T1

Onsemi

PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

8

SILICON

50 V

TIN

DUAL

R-PDSO-F6

1

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

e3

30

260

NSBA123JDXV6T1

Onsemi

PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

80

SILICON

50 V

TIN

DUAL

R-PDSO-F6

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 0.047

e3

260

NSBA124EDXV6T1

Onsemi

PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

60

SILICON

50 V

TIN

DUAL

R-PDSO-F6

1

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

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