.2 A Small Signal Bipolar Junction Transistors (BJT) 2,050

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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

MPS6428

Onsemi

NPN

SINGLE

NO

100 MHz

.625 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

250

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

MBT3906DW1T2

Onsemi

PNP

SEPARATE, 2 ELEMENTS

YES

250 MHz

.2 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

30

SILICON

40 V

70 ns

300 ns

DUAL

R-PDSO-G6

Not Qualified

MMBT4126LT3G

Onsemi

PNP

SINGLE

YES

250 MHz

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

60

150 Cel

SILICON

25 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

NST3904DXV6T5G

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

MATTE TIN

DUAL

R-PDSO-F6

1

Not Qualified

e3

30

260

MBT3946DW1T1

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

300 MHz

.2 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

250 ns

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G6

1

Not Qualified

e0

30

235

BCX70JLT3

Onsemi

NPN

SINGLE

YES

125 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

90

150 Cel

SILICON

45 V

150 ns

800 ns

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

TO-236AB

e0

MMBT3906LT3

Onsemi

PNP

SINGLE

YES

250 MHz

.225 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

-55 Cel

300 ns

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e0

30

235

2SA1740E-TD-E

Onsemi

PNP

SINGLE

YES

70 MHz

.2 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

400 V

TIN BISMUTH

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e6

BCX70GLT1

Onsemi

NPN

SINGLE

YES

125 MHz

.225 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

60

150 Cel

SILICON

45 V

150 ns

800 ns

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

Not Qualified

TO-236

e0

30

240

MMBT4124D87Z

Onsemi

NPN

SINGLE

YES

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

60

150 Cel

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

BCX70KLT1

Onsemi

NPN

SINGLE

YES

125 MHz

.225 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

45 V

150 ns

800 ns

DUAL

R-PDSO-G3

Not Qualified

TO-236

MMPQ6842R2

Onsemi

NPN AND PNP

SEPARATE, 4 ELEMENTS

YES

350 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

4

16

SMALL OUTLINE

70

SILICON

30 V

TIN LEAD

DUAL

R-PDSO-G16

Not Qualified

e0

2SA1699

Onsemi

PNP

SINGLE

NO

70 MHz

.6 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

.8 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

150 Cel

SILICON

400 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

MMBT3904L

Onsemi

NPN

SINGLE

YES

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

150 Cel

SILICON

40 V

70 ns

250 ns

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

MMPQ3904G

Onsemi

NPN

SEPARATE, 4 ELEMENTS

YES

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

4

16

SMALL OUTLINE

75

SILICON

40 V

DUAL

R-PDSO-G16

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

MPS6428RLRA

Onsemi

NPN

SINGLE

NO

100 MHz

.625 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

250

150 Cel

SILICON

50 V

Tin/Lead (Sn80Pb20)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

MPS6515

Onsemi

NPN

SINGLE

NO

.625 W

.2 A

PLASTIC/EPOXY

SWITCHING

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.625 W

150

150 Cel

3.5 pF

SILICON

25 V

-55 Cel

BOTTOM

O-PBCY-T3

TO-92

MPS6428ZL1

Onsemi

NPN

SINGLE

NO

100 MHz

.2 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

2SC3651

Onsemi

NPN

SINGLE

YES

150 MHz

.5 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

1.3 W

400

150 Cel

SILICON

100 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

UMZ1NT1

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

114 MHz

.256 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

200

150 Cel

SILICON

50 V

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G6

Not Qualified

e0

235

NST3946DXV6T1G

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

MATTE TIN

DUAL

R-PDSO-F6

1

Not Qualified

e3

30

260

MPS6428RL

Onsemi

NPN

SINGLE

NO

100 MHz

.2 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

NST3904DXV6T1G

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

MATTE 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

MMBT6429LT3

Onsemi

NPN

SINGLE

YES

100 MHz

.225 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

500

150 Cel

SILICON

45 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

LOW NOISE

TO-236AB

e0

MMBT6428LT1G

Onsemi

NPN

SINGLE

YES

100 MHz

.225 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

250

150 Cel

SILICON

50 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

MPS6565

Onsemi

NPN

SINGLE

NO

200 MHz

.62 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

45 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

2SC4548E-TD-E

Onsemi

NPN

SINGLE

YES

70 MHz

.2 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

400 V

TIN BISMUTH

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e6

MMPQ3906R2

Onsemi

PNP

SEPARATE, 4 ELEMENTS

YES

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

4

16

SMALL OUTLINE

Other Transistors

75

150 Cel

SILICON

40 V

TIN LEAD

DUAL

R-PDSO-G16

1

Not Qualified

e0

235

NST3904DP6T5G

Onsemi

NPN

SEPARATE, 2 ELEMENTS

YES

200 MHz

.42 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

325 ns

MATTE TIN

DUAL

R-PDSO-F6

1

Not Qualified

e3

30

260

MBT3946DW1T2G

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

300 MHz

.15 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

30

150 Cel

SILICON

40 V

70 ns

250 ns

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

NST3946DP6T5G

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

200 MHz

.42 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

325 ns

MATTE TIN

DUAL

R-PDSO-F6

1

Not Qualified

e3

30

260

MMBT3906T/R

Onsemi

PNP

SINGLE

YES

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

30

150 Cel

SILICON

40 V

70 ns

300 ns

PURE TIN

DUAL

R-PDSO-F3

Not Qualified

e3

BCX71G

Onsemi

PNP

SINGLE

YES

180 MHz

.25 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

60

150 Cel

SILICON

45 V

150 ns

800 ns

TIN LEAD

DUAL

R-PDSO-G3

1

Not Qualified

e0

10

235

MMPQ3904R2

Onsemi

NPN

SEPARATE, 4 ELEMENTS

YES

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

4

16

SMALL OUTLINE

Other Transistors

75

150 Cel

SILICON

40 V

TIN LEAD

DUAL

R-PDSO-G16

1

Not Qualified

e0

235

2SC3069-AA

Onsemi

NPN

SINGLE

NO

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

800

SILICON

50 V

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

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

NST3906DP6T5G

Onsemi

PNP

SEPARATE, 2 ELEMENTS

YES

250 MHz

.42 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

300 ns

MATTE TIN

DUAL

R-PDSO-F6

1

Not Qualified

e3

30

260

2SA1699D

Onsemi

PNP

SINGLE

NO

70 MHz

.6 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

150 Cel

SILICON

400 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

MMBT2369

Onsemi

NPN

SINGLE

YES

500 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20

150 Cel

SILICON

15 V

12 ns

18 ns

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

2SC4002E

Onsemi

NPN

SINGLE

NO

70 MHz

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

100

150 Cel

SILICON

400 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

MMPQ3906R1

Onsemi

PNP

SEPARATE, 4 ELEMENTS

YES

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

4

16

SMALL OUTLINE

Other Transistors

75

150 Cel

SILICON

40 V

TIN LEAD

DUAL

R-PDSO-G16

1

Not Qualified

e0

235

MMPQ3906R2G

Onsemi

PNP

SEPARATE, 4 ELEMENTS

YES

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

4

16

SMALL OUTLINE

75

SILICON

40 V

DUAL

R-PDSO-G16

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

MMPQ6842R1

Onsemi

NPN AND PNP

SEPARATE, 4 ELEMENTS

YES

350 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

4

16

SMALL OUTLINE

70

SILICON

30 V

TIN LEAD

DUAL

R-PDSO-G16

Not Qualified

e0

MPS6428RL1

Onsemi

NPN

SINGLE

NO

100 MHz

.2 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

2SC4002

Onsemi

NPN

SINGLE

NO

70 MHz

.6 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

.6 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

150 Cel

SILICON

400 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

MMBT4126D87Z

Onsemi

PNP

SINGLE

YES

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

60

150 Cel

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

MMPQ3906R1G

Onsemi

PNP

SEPARATE, 4 ELEMENTS

YES

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

4

16

SMALL OUTLINE

75

SILICON

40 V

DUAL

R-PDSO-G16

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

MBT3946DW1T2

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

300 MHz

.15 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

30

150 Cel

SILICON

40 V

70 ns

250 ns

TIN LEAD

DUAL

R-PDSO-G6

1

Not Qualified

e0

235

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