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

KSB1116A

Onsemi

PNP

SINGLE

NO

120 MHz

.75 W

1 A

PLASTIC/EPOXY

SWITCHING

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.75 W

81

150 Cel

25 pF

SILICON

60 V

BOTTOM

O-PBCY-T3

TO-92

2N4286

Onsemi

NPN

SINGLE

NO

40 MHz

.25 W

.1 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

150

150 Cel

6 pF

SILICON

25 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

2N3392D74Z

Onsemi

NPN

SINGLE

NO

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

150

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

MPQ3799

Onsemi

PNP

SEPARATE, 4 ELEMENTS

NO

250 MHz

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

4

14

IN-LINE

250

SILICON

60 V

TIN LEAD

DUAL

R-PDIP-T14

Not Qualified

TO-116

e0

2N5551TFR-C

Onsemi

NPN

SINGLE

NO

100 MHz

.625 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

.2 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.625 W

30

150 Cel

6 pF

SILICON

160 V

-55 Cel

BOTTOM

O-PBCY-T3

TO-92

BC239CRLRE

Onsemi

NPN

SINGLE

NO

280 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

380

150 Cel

SILICON

25 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

MPSW51ARLRE

Onsemi

PNP

SINGLE

NO

50 MHz

1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

50

150 Cel

SILICON

40 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

BC237BRLRE

Onsemi

NPN

SINGLE

NO

200 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

150 Cel

SILICON

45 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

FJN4305RTA

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 2.13

TO-92

e3

MPSA43RLRM

Onsemi

NPN

SINGLE

NO

50 MHz

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

40

150 Cel

SILICON

200 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

KSA1013OTA

Onsemi

PNP

SINGLE

NO

50 MHz

.9 W

1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

160 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

e3

BC212RL1

Onsemi

PNP

SINGLE

NO

280 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

60

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

2N2088RLRAG

Onsemi

NPN

SINGLE

NO

50 MHz

.05 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

350

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

2N3392D27Z

Onsemi

NPN

SINGLE

NO

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

150

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

2N3906RL1

Onsemi

PNP

SINGLE

NO

250 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

300 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

235

MP2222

Onsemi

NPN

SINGLE

NO

250 MHz

1.5 W

.6 A

PLASTIC/EPOXY

1.6 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.625 W

30

150 Cel

8 pF

SILICON

30 V

35 ns

-55 Cel

285 ns

BOTTOM

O-PBCY-T3

TO-226AA

JAN2N4029

Onsemi

PNP

SINGLE

NO

1 A

METAL

SWITCHING

WIRE

RECTANGULAR

1

3

CYLINDRICAL

25

SILICON

80 V

40 ns

210 ns

BOTTOM

R-MBCY-W3

Not Qualified

TO-18

MIL-19500

KSC945GTA-L

Onsemi

NPN

SINGLE

NO

300 MHz

.25 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

350

150 Cel

2.5 pF

SILICON

50 V

BOTTOM

O-PBCY-T3

TO-92

2SA550

Onsemi

PNP

SINGLE

NO

120 MHz

.3 W

.05 A

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

65

175 Cel

SILICON

25 V

BOTTOM

O-MBCY-W3

Not Qualified

TO-18

PN5130

Onsemi

NPN

SINGLE

NO

450 MHz

.625 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

.6 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

15

150 Cel

1.7 pF

SILICON

12 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

BC640RL

Onsemi

PNP

SINGLE

NO

150 MHz

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

40

150 Cel

SILICON

80 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

2N5210TA

Onsemi

NPN

SINGLE

NO

30 MHz

.62 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

250

150 Cel

SILICON

50 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e3

MPS3904RLRM

Onsemi

NPN

SINGLE

NO

300 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

30

150 Cel

SILICON

40 V

85 ns

990 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

2SB631

Onsemi

PNP

SINGLE

NO

110 MHz

8 W

1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

Other Transistors

8 W

20

150 Cel

SILICON

100 V

SINGLE

R-PSFM-T3

Not Qualified

TO-126

2N5551TF-Y

Onsemi

NPN

SINGLE

NO

100 MHz

.625 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

.2 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.625 W

180

150 Cel

6 pF

SILICON

160 V

-55 Cel

BOTTOM

O-PBCY-T3

TO-92

MPSA64RL

Onsemi

PNP

DARLINGTON

NO

125 MHz

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

20000

150 Cel

SILICON

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

2N3905RLRA

Onsemi

PNP

SINGLE

NO

200 MHz

.2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

15

SILICON

40 V

70 ns

260 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

BC547BRLRM

Onsemi

NPN

SINGLE

NO

300 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

150 Cel

SILICON

45 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

KSD986

Onsemi

NPN

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

NO

10 W

1.5 A

PLASTIC/EPOXY

AMPLIFIER

1.5 V

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

1 W

2000

150 Cel

SILICON

80 V

SINGLE

R-PSFM-T3

TO-126

KSC900V-C

Onsemi

NPN

SINGLE

NO

100 MHz

.25 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

.2 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.25 W

600

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-T3

TO-92

KSC1008GBU

Onsemi

NPN

SINGLE

NO

50 MHz

.7 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

150 Cel

SILICON

60 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

KSB1116A-G

Onsemi

PNP

SINGLE

NO

120 MHz

.75 W

1 A

PLASTIC/EPOXY

SWITCHING

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.75 W

200

150 Cel

25 pF

SILICON

60 V

BOTTOM

O-PBCY-T3

TO-92

NOT SPECIFIED

NOT SPECIFIED

MPS4124ZL1

Onsemi

NPN

SINGLE

NO

170 MHz

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

60

150 Cel

SILICON

25 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

KSD5041QBU

Onsemi

NPN

SINGLE

NO

150 MHz

5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

230

150 Cel

SILICON

20 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MPS3646RL1

Onsemi

NPN

SINGLE

NO

350 MHz

.3 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

15

150 Cel

SILICON

15 V

18 ns

28 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

KSC3503FSTU

Onsemi

NPN

SINGLE

NO

150 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

160

SILICON

300 V

SINGLE

R-PSFM-T3

TO-126

MPSA63RLRM

Onsemi

PNP

DARLINGTON

NO

125 MHz

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

10000

150 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-226AA

e0

235

MPSA14RL

Onsemi

NPN

DARLINGTON

NO

125 MHz

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

20000

150 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

2N3905RL1

Onsemi

PNP

SINGLE

NO

200 MHz

.2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

15

150 Cel

SILICON

40 V

70 ns

260 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

MPSA70RL

Onsemi

PNP

SINGLE

NO

125 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

40

150 Cel

SILICON

40 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

2SB985T

Onsemi

PNP

SINGLE

NO

150 MHz

3 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

SILICON

50 V

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

BOTTOM

O-PBCY-T3

Not Qualified

BC214RLRE

Onsemi

PNP

SINGLE

NO

320 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

140

150 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

BC373

Onsemi

NPN

DARLINGTON

NO

200 MHz

.625 W

1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

8000

150 Cel

SILICON

80 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-226AA

e0

235

BC490AZL1G

Onsemi

PNP

SINGLE

NO

150 MHz

1.5 W

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

80 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-226AA

e1

260

MPSA29

Onsemi

NPN

DARLINGTON

NO

200 MHz

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

10000

150 Cel

SILICON

TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

2N5210ZL1

Onsemi

NPN

SINGLE

NO

30 MHz

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

250

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

FJN3314RBU

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

250 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

68

150 Cel

SILICON

50 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 10

TO-92

e3

MPSA28ZL1

Onsemi

NPN

DARLINGTON

NO

200 MHz

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

10000

150 Cel

SILICON

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

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