250 MHz 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

2N3906RLRE

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

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

2N3906RL1G

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

-55 Cel

300 ns

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e1

260

MPS3906RL1

Onsemi

PNP

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

30

150 Cel

SILICON

40 V

85 ns

690 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

SSMBT3906LT3G

Onsemi

PNP

SINGLE

YES

250 MHz

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

SILICON

40 V

70 ns

300 ns

DUAL

R-PDSO-G3

TO-236

NOT SPECIFIED

NOT SPECIFIED

AEC-Q101

MPS3906

Onsemi

PNP

SINGLE

NO

250 MHz

.625 W

.2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

40 V

85 ns

690 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

FJV3110RMTF

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

100

150 Cel

SILICON

40 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

BUILT IN BIAS RESISTOR

e3

30

260

MPS2222RLRE

Onsemi

NPN

SINGLE

NO

250 MHz

.6 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

75

150 Cel

SILICON

30 V

35 ns

285 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

2SC3069

Onsemi

NPN

SINGLE

NO

250 MHz

.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

SMMBT3906LT1

Onsemi

PNP

SINGLE

YES

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

SILICON

40 V

70 ns

300 ns

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e0

30

235

MMBT4126LT1

Onsemi

PNP

SINGLE

YES

250 MHz

.225 W

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

60

150 Cel

SILICON

25 V

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e0

30

235

BSR13

Onsemi

NPN

SINGLE

YES

250 MHz

.35 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

75

150 Cel

SILICON

30 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

2SD1048

Onsemi

NPN

SINGLE

YES

250 MHz

.2 W

.7 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

80

125 Cel

SILICON

15 V

DUAL

R-PDSO-G3

BC559BZL1

Onsemi

PNP

SINGLE

NO

250 MHz

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

180

150 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

235

JANTX2N2219

Onsemi

NPN

SINGLE

NO

250 MHz

.8 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

75

200 Cel

SILICON

30 V

40 ns

250 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

MIL-19500/251L

BCW60D

Onsemi

NPN

SINGLE

YES

250 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

.55 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

32 V

150 ns

800 ns

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

TO-236AB

e3

30

260

2SC3918

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

250 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

50

SILICON

50 V

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

SINGLE

R-PSIP-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 4.545

e2

NST3906DXV6T1

Onsemi

PNP

SEPARATE, 2 ELEMENTS

YES

250 MHz

.5 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

300 ns

TIN

DUAL

R-PDSO-F6

1

Not Qualified

e3

30

260

BC559B

Onsemi

PNP

SINGLE

NO

250 MHz

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

180

150 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e0

2N4401RLRM

Onsemi

NPN

SINGLE

NO

250 MHz

.35 W

.6 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

40 V

35 ns

255 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

2SC1359

Onsemi

NPN

SINGLE

NO

250 MHz

.25 W

.03 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

70

125 Cel

SILICON

20 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

2SD1048-7

Onsemi

NPN

SINGLE

YES

250 MHz

.7 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

300

SILICON

15 V

DUAL

R-PDSO-G3

BC559CRLRE

Onsemi

PNP

SINGLE

NO

250 MHz

.1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

380

150 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

PN2222

Onsemi

NPN

SINGLE

NO

250 MHz

.625 W

.6 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

75

150 Cel

SILICON

30 V

35 ns

285 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

2SC3383T

Onsemi

NPN

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

SILICON

50 V

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

BOTTOM

O-PBCY-T3

Not Qualified

2SD1618T

Onsemi

NPN

SINGLE

YES

250 MHz

.5 W

.7 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

15 V

SINGLE

R-PSSO-F3

COLLECTOR

MMBT4401WT1

Onsemi

NPN

SINGLE

YES

250 MHz

.15 W

.6 A

PLASTIC/EPOXY

SWITCHING

.75 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

.15 W

40

150 Cel

6.5 pF

SILICON

40 V

35 ns

-55 Cel

255 ns

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

e0

30

235

2SC3792

Onsemi

NPN

SINGLE

NO

250 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

300

SILICON

20 V

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

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

MBT3906DW1T2G

Onsemi

PNP

YES

250 MHz

.15 W

.2 A

Other Transistors

100

150 Cel

TIN

1

e3

30

260

SMBT3906DW3T1G

Onsemi

PNP

SEPARATE, 2 ELEMENTS

YES

250 MHz

.15 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

.4 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

30

150 Cel

4.5 pF

SILICON

40 V

70 ns

-55 Cel

300 ns

MATTE TIN

DUAL

R-PDSO-G6

1

e3

30

260

AEC-Q101

2N4401RL1

Onsemi

NPN

SINGLE

NO

250 MHz

.6 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

40

150 Cel

SILICON

40 V

35 ns

255 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

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

2SB1118T

Onsemi

PNP

SINGLE

YES

250 MHz

.5 W

.7 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

15 V

SINGLE

R-PSSO-F3

COLLECTOR

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

2SB1118

Onsemi

PNP

SINGLE

YES

250 MHz

.5 W

.7 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

60

150 Cel

SILICON

15 V

SINGLE

R-PSSO-F3

COLLECTOR

BC559CRL1

Onsemi

PNP

SINGLE

NO

250 MHz

.1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

380

150 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

BC550BRL1

Onsemi

NPN

SINGLE

NO

250 MHz

.1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

SILICON

45 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

BC560BRL1

Onsemi

PNP

SINGLE

NO

250 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

180

SILICON

45 V

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

BC559BRL

Onsemi

PNP

SINGLE

NO

250 MHz

.1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

180

150 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

2SD1048-6

Onsemi

NPN

SINGLE

YES

250 MHz

.7 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

200

SILICON

15 V

DUAL

R-PDSO-G3

BC550CRL1

Onsemi

NPN

SINGLE

NO

250 MHz

.1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

420

150 Cel

SILICON

45 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

BC559BRLRM

Onsemi

PNP

SINGLE

NO

250 MHz

.1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

180

150 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

KST4401

Onsemi

NPN

SINGLE

YES

250 MHz

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

40 V

35 ns

255 ns

DUAL

R-PDSO-G3

JANTXV2N2221A

Onsemi

NPN

SINGLE

NO

250 MHz

.5 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

175 Cel

SILICON

50 V

35 ns

300 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

MIL-19500/255T

MMBT2222LT3

Onsemi

NPN

SINGLE

YES

250 MHz

.225 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

30 V

35 ns

285 ns

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e0

30

235

BC559C

Onsemi

PNP

SINGLE

NO

250 MHz

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

380

150 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e0

235

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

2SD1618S

Onsemi

NPN

SINGLE

YES

250 MHz

.5 W

.7 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

140

150 Cel

SILICON

15 V

SINGLE

R-PSSO-F3

COLLECTOR

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