NO Small Signal Bipolar Junction Transistors (BJT) 2,400+

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

ZTX696B

Diodes Incorporated

NPN

SINGLE

NO

70 MHz

1 W

.5 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

IN-LINE

Other Transistors

150

200 Cel

SILICON

180 V

MATTE TIN

SINGLE

O-PSIP-W3

Not Qualified

e3

30

260

ZTX705STOA

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

10

260

CECC

2N3439PBFREE

Central Semiconductor

NPN

SINGLE

NO

15 MHz

1 W

1 A

METAL

.5 V

WIRE

ROUND

1

3

CYLINDRICAL

1 W

30

200 Cel

10 pF

SILICON

350 V

-65 Cel

MATTE TIN OVER NICKEL

BOTTOM

O-MBCY-W3

TO-39

e3

2N3904,126

NXP Semiconductors

NPN

SINGLE

NO

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

100

150 Cel

4 pF

SILICON

40 V

65 ns

240 ns

TIN

BOTTOM

O-PBCY-T3

NOT APPLICABLE

Not Qualified

TO-92

e3

NOT SPECIFIED

NOT SPECIFIED

2N5550

Texas Instruments

NPN

SINGLE

NO

100 MHz

.35 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

150 Cel

SILICON

140 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2SC2655-Y(TE6,F,M)

Toshiba

NPN

SINGLE

NO

100 MHz

.9 W

2 A

PLASTIC/EPOXY

SWITCHING

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.9 W

120

150 Cel

30 pF

SILICON

50 V

BOTTOM

O-PBCY-T3

2SC2655L-Y-AP

Micro Commercial Components

NPN

SINGLE

NO

100 MHz

2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

SILICON

50 V

BOTTOM

O-PBCY-T3

1

TO-92

KSD1616YTA

Fairchild Semiconductor

NPN

SINGLE

NO

160 MHz

.75 W

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

135

150 Cel

SILICON

50 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MPSA56D27Z

National Semiconductor

PNP

SINGLE

NO

50 MHz

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

100

SILICON

80 V

BOTTOM

O-PBCY-T3

Not Qualified

HIGH CURRENT DRIVER

TO-92

2N3906RLRA

Onsemi

PNP

SINGLE

NO

250 MHz

.35 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

300 ns

Tin/Lead (Sn80Pb20)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

30

235

2SC1815-GR-AP

Micro Commercial Components

NPN

SINGLE

NO

80 MHz

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

125 Cel

SILICON

50 V

Matte Tin (Sn)

BOTTOM

O-PBCY-T3

1

Not Qualified

TO-92

e3

10

260

2SC4604TPE6

Toshiba

NPN

SINGLE

NO

100 MHz

3 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

40

SILICON

50 V

BOTTOM

O-PBCY-T3

Not Qualified

BC546C

Vishay Intertechnology

NPN

SINGLE

NO

.5 W

.1 A

1

Other Transistors

420

150 Cel

BC546-C

Secos

NPN

SINGLE

NO

150 MHz

.1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

110

SILICON

65 V

BOTTOM

O-PBCY-T3

TO-92

NOT SPECIFIED

NOT SPECIFIED

JANSR2N2920L

Vpt Components

NPN

SEPARATE, 2 ELEMENTS

NO

.45 W

.03 A

METAL

.3 V

WIRE

ROUND

2

6

CYLINDRICAL

.35 W

300

175 Cel

5 pF

SILICON

60 V

-65 Cel

BOTTOM

O-MBCY-W6

Qualified

TO-78

NOT SPECIFIED

NOT SPECIFIED

MIL-19500; RH - 100K Rad(Si)

KSA992FATA

Onsemi

PNP

SINGLE

NO

50 MHz

.5 W

.05 A

1

Other Transistors

300

150 Cel

MATTE TIN

e3

MP350

Micro Power Systems

PNP

SEPARATE, 2 ELEMENTS

NO

100 MHz

.02 A

METAL

AMPLIFIER

.5 V

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

100

125 Cel

2 pF

SILICON

25 V

-55 Cel

Tin/Lead (Sn/Pb)

BOTTOM

O-MBCY-W6

Not Qualified

MATCHED PAIR

TO-52

e0

MPSA56RLRPG

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

UZTX649

Diodes Incorporated

NPN

SINGLE

NO

240 MHz

2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

15

SILICON

25 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

10

260

ZTX649

Diodes Incorporated

NPN

SINGLE

NO

240 MHz

1 W

2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

Other Transistors

15

200 Cel

SILICON

25 V

MATTE TIN

SINGLE

R-PSIP-W3

1

Not Qualified

e3

30

260

ZTX649L

Diodes Incorporated

NPN

SINGLE

NO

240 MHz

2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

15

SILICON

25 V

Matte Tin (Sn)

SINGLE

R-PSIP-W3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

ZTX649STOA

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

15

SILICON

25 V

MATTE TIN

SINGLE

R-PSIP-W3

1

Not Qualified

e3

ZTX649STZ

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

15

SILICON

25 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

2N3904RLRMG

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

250 ns

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

2SC2314E

Onsemi

NPN

SINGLE

NO

250 MHz

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

100

SILICON

45 V

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

SINGLE

R-PSFM-T3

Not Qualified

TO-126

e2

JANSF2N2920

Microchip Technology

NPN

SEPARATE, 2 ELEMENTS

NO

.03 A

METAL

WIRE

ROUND

2

6

CYLINDRICAL

300

SILICON

60 V

BOTTOM

O-MBCY-W6

MIL-19500; RH - 300K Rad(Si)

JANSM2N3440

Microchip Technology

NPN

SINGLE

NO

1 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

40

SILICON

250 V

1000 ns

10000 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Qualified

TO-205AD

MIL-19500; RH - 3K Rad(Si)

JANSR2N2920

Vpt Components

NPN

SEPARATE, 2 ELEMENTS

NO

.45 W

.03 A

METAL

.3 V

WIRE

ROUND

2

6

CYLINDRICAL

.35 W

300

175 Cel

5 pF

SILICON

60 V

-65 Cel

BOTTOM

O-MBCY-W6

Qualified

TO-78

NOT SPECIFIED

NOT SPECIFIED

MIL-19500; RH - 100K Rad(Si)

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

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

KSD1616GBU

Fairchild Semiconductor

NPN

SINGLE

NO

160 MHz

.75 W

1 A

PLASTIC/EPOXY

SWITCHING

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

KSD1616GTA

Fairchild Semiconductor

NPN

SINGLE

NO

160 MHz

.75 W

1 A

PLASTIC/EPOXY

SWITCHING

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

MPSA55RLRAG

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

60 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

ZTX551STZ

Diodes Incorporated

PNP

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

10

SILICON

60 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

2N1613A

Fairchild Semiconductor

NPN

SINGLE

NO

60 MHz

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

40

SILICON

50 V

BOTTOM

O-MBCY-W3

Not Qualified

TO-39

2SA1015-GR

Micro Commercial Components

SINGLE

NO

80 MHz

.15 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

2SA1015-O

Micro Commercial Components

SINGLE

NO

80 MHz

.15 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

70

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

2SA1015O

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

2SC2240-GR

Toshiba

NPN

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

BC550C,112

NXP Semiconductors

NPN

SINGLE

NO

100 MHz

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.6 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e3

BC550C,116

NXP Semiconductors

NPN

SINGLE

NO

100 MHz

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.6 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e3

BC550CA1

Taiwan Semiconductor

NPN

SINGLE

NO

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.5 W

420

150 Cel

SILICON

45 V

-65 Cel

MATTE TIN

BOTTOM

O-PBCY-T3

1

TO-92

e3

10

260

FJN4302RTA

Onsemi

PNP

SINGLE WITH BUILT-IN RESISTOR

NO

200 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

30

150 Cel

SILICON

50 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

TO-92

e3

MPS8099RLRAG

Onsemi

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

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

MPSW45AG

Onsemi

NPN

DARLINGTON

NO

100 MHz

1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

4000

150 Cel

SILICON

50 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

ULN2003AINE4

Texas Instruments

NPN

COMPLEX

NO

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

7

16

IN-LINE

SILICON

50 V

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

R-PDIP-T16

Not Qualified

LOGIC LEVEL COMPATIBLE

MS-001BB

e4

NOT SPECIFIED

NOT SPECIFIED

2SC828A

Onsemi

NPN

SINGLE

NO

220 MHz

.25 W

.05 A

UNSPECIFIED

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

130

125 Cel

SILICON

25 V

Tin/Lead (Sn/Pb)

BOTTOM

O-XBCY-W3

Not Qualified

TO-92

e0

NOT SPECIFIED

NOT SPECIFIED

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