Onsemi Small Signal Bipolar Junction Transistors (BJT) 2,400+

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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

KST2222AMTF

Onsemi

NPN

SINGLE

YES

300 MHz

.35 W

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

SILICON

40 V

35 ns

285 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

SNSS20101JT1G

Onsemi

NPN

SINGLE

YES

350 MHz

.3 W

1 A

PLASTIC/EPOXY

SWITCHING

.22 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

100

150 Cel

SILICON

20 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-F3

1

e3

30

260

AEC-Q101

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

MMJT9435T3

Onsemi

PNP

SINGLE

YES

110 MHz

3 W

3 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

90

150 Cel

SILICON

30 V

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G4

3

COLLECTOR

Not Qualified

TO-261AA

e0

30

235

EMZ1DXV6T1G

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

180 MHz

.5 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

120

150 Cel

SILICON

60 V

TIN

DUAL

R-PDSO-F6

1

Not Qualified

e3

30

260

EMG5DXV5T5

Onsemi

NPN

COMMON EMITTER, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.338 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

5

SMALL OUTLINE

BIP General Purpose Small Signal

80

SILICON

50 V

TIN

DUAL

R-PDSO-F5

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 4.7

e3

260

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

CPH3212-TL-E

Onsemi

NPN

SINGLE

YES

.9 W

5 A

1

SMALL OUTLINE

Other Transistors

200

150 Cel

50 V

TIN BISMUTH

1

e6

30

260

MUN2216T1G

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.338 W

.1 A

PLASTIC/EPOXY

SWITCHING

.25 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signals

160

150 Cel

SILICON

50 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR

e3

40

260

FJV1845PMTF

Onsemi

NPN

SINGLE

YES

110 MHz

.3 W

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

120 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

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

BFW41

Onsemi

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

RC105C

Onsemi

NPN

YES

.2 W

.1 A

BIP General Purpose Small Signal

50

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

NSBC114EDXV6T5

Onsemi

NPN

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

SILICON

50 V

TIN

DUAL

R-PDSO-F6

1

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

e3

30

260

KST55MTF

Onsemi

PNP

SINGLE

YES

50 MHz

.35 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

SILICON

60 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

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

FSB660D87Z

Onsemi

PNP

SINGLE

YES

75 MHz

2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

150 Cel

SILICON

60 V

DUAL

R-PDSO-G3

Not Qualified

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

NSBA144WDXV6T1

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

150 Cel

SILICON

50 V

DUAL

R-PDSO-F6

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 2.1

NOT SPECIFIED

NOT SPECIFIED

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

S2SC4617G

Onsemi

NPN

SINGLE

YES

180 MHz

.125 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

120

150 Cel

SILICON

50 V

MATTE TIN

DUAL

R-PDSO-G3

1

e3

30

260

AEC-Q101

KSC2883

Onsemi

NPN

SINGLE

YES

120 MHz

1 W

1.5 A

PLASTIC/EPOXY

AMPLIFIER

2 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

.5 W

100

150 Cel

SILICON

30 V

SINGLE

R-PSSO-F3

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

CPH3121-TL-E

Onsemi

PNP

SINGLE

YES

.9 W

3 A

1

Other Transistors

200

150 Cel

TIN BISMUTH

1

e6

30

260

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

KST55

Onsemi

PNP

SINGLE

YES

50 MHz

.5 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

50

SILICON

60 V

DUAL

R-PDSO-G3

NSBA143ZDXV6T5G

Onsemi

PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.1 A

PLASTIC/EPOXY

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

80

SILICON

50 V

TIN

DUAL

R-PDSO-F6

1

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 0.1

e3

MUN2141T1G

Onsemi

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.338 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

160

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

BUILT IN BIAS RESISTOR

e3

NOT SPECIFIED

NOT SPECIFIED

NSV1C200MZ4T1G

Onsemi

PNP

SINGLE

YES

120 MHz

2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

50

SILICON

100 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G4

1

COLLECTOR

TO-261AA

e3

30

260

AEC-Q101

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

2C2222A

Onsemi

NPN

SINGLE

YES

UNSPECIFIED

SWITCHING

NO LEAD

RECTANGULAR

1

2

UNCASED CHIP

100

SILICON

40 V

UPPER

R-XUUC-N2

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

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