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

BC237RL

Onsemi

NPN

SINGLE

NO

200 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

150 Cel

SILICON

45 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

MPSW01ARLRA

Onsemi

NPN

SINGLE

NO

50 MHz

.625 W

1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

40 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

NSVDTA143EM3T5G

Onsemi

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.6 W

.1 A

PLASTIC/EPOXY

SWITCHING

.25 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

15

150 Cel

SILICON

50 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-F3

1

BUILT IN BIAS RESISTOR RATIO IS 1

e3

30

260

AEC-Q101

FJX3904TF

Onsemi

NPN

SINGLE

YES

300 MHz

.35 W

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

SILICON

40 V

70 ns

250 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

2SA500

Onsemi

PNP

SINGLE

NO

100 MHz

.25 W

.1 A

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

175 Cel

SILICON

20 V

BOTTOM

O-MBCY-W3

Not Qualified

TO-18

KSC2383OTA

Onsemi

NPN

SINGLE

NO

100 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

KST06

Onsemi

NPN

SINGLE

YES

100 MHz

.5 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

50

SILICON

80 V

DUAL

R-PDSO-G3

MCH6122-TL-H

Onsemi

TIN BISMUTH

1

e6

CS9014

Onsemi

2N5309

Onsemi

NPN

SINGLE

NO

.33 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

150 Cel

SILICON

50 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

BC489ZL1

Onsemi

NPN

SINGLE

NO

200 MHz

.625 W

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

150 Cel

SILICON

80 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

KSP06TA

Onsemi

NPN

SINGLE

NO

100 MHz

.625 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

80 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MPSA93RL1

Onsemi

PNP

SINGLE

NO

50 MHz

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

25

150 Cel

SILICON

200 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

MPSW51

Onsemi

PNP

SINGLE

NO

50 MHz

1 W

1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

BC618RLRP

Onsemi

NPN

DARLINGTON

NO

150 MHz

1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

4000

150 Cel

SILICON

55 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

MPS750ZL1

Onsemi

PNP

SINGLE

NO

75 MHz

2 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

KSB1121S

Onsemi

PNP

SINGLE

YES

150 MHz

2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

140

SILICON

25 V

SINGLE

R-PSSO-F3

KSC945YTA-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

KSP55TA

Onsemi

PNP

SINGLE

NO

50 MHz

.625 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

60 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

CPH3245-TL-E

Onsemi

NPN

SINGLE

YES

.9 W

2 A

1

Other Transistors

200

150 Cel

TIN BISMUTH

1

e6

30

260

MPS2907RL1

Onsemi

PNP

SINGLE

NO

200 MHz

.6 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

75

150 Cel

SILICON

40 V

45 ns

100 ns

TIN LEAD

BOTTOM

O-PBCY-W3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

MSD42WT1

Onsemi

NPN

SINGLE

YES

.15 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

300 V

TIN LEAD

DUAL

R-PDSO-G3

1

Not Qualified

e0

235

RA115C

Onsemi

PNP

YES

.2 W

.1 A

BIP General Purpose Small Signal

100

MUN2236T1G

Onsemi

NPN

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

80

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

e3

40

260

KSC1008COTA

Onsemi

NPN

SINGLE

NO

50 MHz

.7 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

70

150 Cel

SILICON

60 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MUN2111T1

Onsemi

PNP

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

35

SILICON

50 V

TIN LEAD

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

e0

PN3643

Onsemi

NPN

SINGLE

NO

250 MHz

.6 W

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

150 Cel

SILICON

30 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

KSD471A-G

Onsemi

NPN

SINGLE

NO

130 MHz

.8 W

1 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.8 W

200

150 Cel

16 pF

SILICON

30 V

BOTTOM

O-PBCY-T3

TO-92

NOT SPECIFIED

NOT SPECIFIED

EMC5DXV5T1

Onsemi

NPN AND PNP

CASCADED, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

5

SMALL OUTLINE

BIP General Purpose Small Signal

20

SILICON

50 V

TIN

DUAL

R-PDSO-F5

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

e3

30

260

MPSA56G

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

NSBC123TDP6T5G

Onsemi

NPN

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.408 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

160

150 Cel

SILICON

50 V

MATTE TIN

DUAL

R-PDSO-F6

1

Not Qualified

BUILT IN BIAS RESISTOR

e3

30

260

BC449RL1

Onsemi

PNP

SINGLE

NO

200 MHz

.3 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

50

150 Cel

SILICON

100 V

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

MPSA18RLRPG

Onsemi

NPN

SINGLE

NO

160 MHz

.625 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

500

150 Cel

SILICON

45 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e1

260

NSBC123JPDXV6T1G

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 21.36

e3

30

260

KSC2330O

Onsemi

NPN

SINGLE

NO

50 MHz

1 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

1 W

70

150 Cel

SILICON

300 V

BOTTOM

O-PBCY-T3

TO-92

NSBA144EDXV6T5G

Onsemi

PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.5 W

.1 A

PLASTIC/EPOXY

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

SBCW30LT1G

Onsemi

PNP

SINGLE

YES

.3 W

.1 A

1

Other Transistors

215

150 Cel

MATTE TIN

1

e3

30

260

JAN2N4033

Onsemi

PNP

SINGLE

NO

150 MHz

.8 W

1 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

200 Cel

SILICON

80 V

15 ns

-65 Cel

25 ns

BOTTOM

O-MBCY-W3

Not Qualified

TO-205AD

MIL

RC113C

Onsemi

NPN

YES

.2 W

.1 A

BIP General Purpose Small Signal

100

KSC945CYTA-O

Onsemi

NPN

SINGLE

NO

300 MHz

.25 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

70

150 Cel

2.5 pF

SILICON

50 V

BOTTOM

O-PBCY-T3

TO-92

NUD3212W5T1

Onsemi

NPN

SINGLE WITH BUILT-IN DIODE

YES

100 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

5

SMALL OUTLINE

100

150 Cel

SILICON

15 V

TIN LEAD

DUAL

R-PDSO-G5

Not Qualified

e0

EMD5DXV6T5G

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 2.13

e3

30

260

2N3904RLRA

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

250 ns

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

30

235

BC547ARL1

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

110

150 Cel

SILICON

45 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

235

EMD4DXV6T5

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

TIN

DUAL

R-PDSO-F6

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

e3

260

MPSW51RL

Onsemi

PNP

SINGLE

NO

50 MHz

1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

50

150 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

NST856BF3T5G

Onsemi

PNP

SINGLE

YES

100 MHz

.347 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

220

150 Cel

SILICON

65 V

MATTE TIN

DUAL

R-PDSO-F3

1

Not Qualified

e3

30

260

MPS2369ARL

Onsemi

NPN

SINGLE

NO

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

20

150 Cel

SILICON

15 V

12 ns

18 ns

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