300 MHz Small Signal Bipolar Junction Transistors (BJT) 1,725

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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

BC549BTA

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e3

BC549BT&A

Continental Device India

NPN

SINGLE

NO

300 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e3

KSC945YBU

Onsemi

NPN

SINGLE

NO

300 MHz

.25 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

150 Cel

SILICON

50 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MMBT3904-HF

Comchip Technology

NPN

SINGLE

YES

300 MHz

.2 W

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

60

150 Cel

SILICON

40 V

70 ns

250 ns

Tin (Sn)

DUAL

R-PDSO-G3

e3

10

260

BC549CTA

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e3

BC549CT&A

Continental Device India

NPN

SINGLE

NO

300 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e3

KSC945GTA

Onsemi

NPN

SINGLE

NO

300 MHz

.25 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

50 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

PZT3904

Onsemi

NPN

SINGLE

YES

300 MHz

1.5 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

250 ns

TIN

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

e3

30

260

BC847CHZGT116

ROHM

NPN

SINGLE

YES

300 MHz

.35 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.4 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

150 Cel

4 pF

SILICON

45 V

DUAL

R-PDSO-G3

AEC-Q101

BC846BMTF_NL

Fairchild Semiconductor

NPN

SINGLE

YES

300 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

200

SILICON

65 V

MATTE TIN

DUAL

R-PDSO-G3

Not Qualified

e3

MMST2222A

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.2 W

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

40 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

e0

FMB2222A

Onsemi

NPN

SEPARATE, 2 ELEMENTS

YES

300 MHz

.7 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

75

150 Cel

SILICON

40 V

28 ns

220 ns

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

BCW32TA

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

200

SILICON

20 V

DUAL

R-PDSO-G3

Not Qualified

CECC

MMBT2222AT-TP

Micro Commercial Components

NPN

SINGLE

YES

300 MHz

.35 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

40 V

35 ns

285 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

10

260

PMBT3904YS

NXP Semiconductors

NPN

SEPARATE, 2 ELEMENTS

YES

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

30

150 Cel

SILICON

40 V

70 ns

250 ns

PURE TIN

DUAL

R-PDSO-G6

1

Not Qualified

BC847B-13-F

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.35 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

45 V

-65 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

BC847BWQ-13-F

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

200

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

MMBT3904_NL

Fairchild Semiconductor

NPN

SINGLE

YES

300 MHz

.35 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

250 ns

MATTE TIN

DUAL

R-PDSO-G3

1

COLLECTOR

Not Qualified

e3

40

260

SMBT3904SH6327XTSA1

Infineon Technologies

NPN

SINGLE

YES

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

6

SMALL OUTLINE

30

SILICON

40 V

70 ns

250 ns

TIN

DUAL

R-PDSO-G6

1

e3

MMBT3904FA-7B

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.435 W

.2 A

PLASTIC/EPOXY

NO LEAD

RECTANGULAR

1

2

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

250 ns

NICKEL PALLADIUM GOLD

SINGLE

R-PSSO-N2

1

COLLECTOR

HIGH RELIABILITY

e4

30

260

AEC-Q101

MMST3906-7-F

Diodes Incorporated

PNP

SINGLE

YES

300 MHz

.2 W

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

300 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

PMBT3904VS

NXP Semiconductors

NPN

SEPARATE, 2 ELEMENTS

YES

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

30

150 Cel

SILICON

40 V

70 ns

250 ns

PURE TIN

DUAL

R-PDSO-F6

1

Not Qualified

2N3904RL

Onsemi

NPN

SINGLE

NO

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

30

150 Cel

SILICON

40 V

70 ns

250 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

MMDT2222A-7-F

Diodes Incorporated

NPN

SEPARATE, 2 ELEMENTS

YES

300 MHz

.2 W

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

40 V

35 ns

285 ns

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

PMST3904,115

NXP Semiconductors

NPN

SINGLE

YES

300 MHz

.2 W

.2 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

4 pF

SILICON

40 V

65 ns

240 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

MMBT3906FA-7B

Diodes Incorporated

PNP

SINGLE

YES

300 MHz

.435 W

.2 A

PLASTIC/EPOXY

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

-55 Cel

300 ns

NICKEL PALLADIUM GOLD

SINGLE

R-PSSO-N3

1

COLLECTOR

HIGH RELIABILITY

e4

30

260

AEC-Q101

BC548CBU

Fairchild Semiconductor

NPN

SINGLE

NO

300 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MMDT2227M-7

Diodes Incorporated

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

300 MHz

.3 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

40

150 Cel

SILICON

40 V

35 ns

285 ns

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

SST3904HZGT116

ROHM

NPN

SINGLE

YES

300 MHz

.2 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

SILICON

40 V

70 ns

250 ns

TIN

DUAL

R-PDSO-G3

1

e3

10

260

AEC-Q101

BC549CBK

Diotec Semiconductor Ag

NPN

SINGLE

NO

300 MHz

.1 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

420

150 Cel

SILICON

30 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

MMDT3904V-7

Diodes Incorporated

NPN

SEPARATE, 2 ELEMENTS

YES

300 MHz

.2 W

.2 A

PLASTIC/EPOXY

SWITCHING

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

2N2222A-L

Secos

NPN

SINGLE

NO

300 MHz

.6 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

100

150 Cel

SILICON

40 V

35 ns

285 ns

BOTTOM

O-PBCY-T3

TO-92

NOT SPECIFIED

NOT SPECIFIED

BC847BTR

Central Semiconductor

NPN

SINGLE

YES

300 MHz

.35 W

.1 A

PLASTIC/EPOXY

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

2.5 pF

SILICON

45 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

LOW NOISE

e0

MMBT3904LT3

Onsemi

NPN

SINGLE

YES

300 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

250 ns

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e0

30

235

BSR17AD87Z

National Semiconductor

NPN

SINGLE

YES

300 MHz

.2 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

SILICON

40 V

70 ns

250 ns

DUAL

R-PDSO-G3

Not Qualified

TO-236AB

MMDT2227-7-F

Diodes Incorporated

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

300 MHz

.2 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signals

40

150 Cel

SILICON

40 V

35 ns

285 ns

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

MMPQ3904

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

MATTE TIN

DUAL

R-PDSO-G16

3

Not Qualified

e3

30

260

2SCR554PT100

ROHM

NPN

SINGLE

YES

300 MHz

2 W

1.5 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

120

150 Cel

SILICON

80 V

TIN COPPER

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e2

10

260

BC548BBU

Fairchild Semiconductor

NPN

SINGLE

NO

300 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC847PNQ-7-F

Diodes Incorporated

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

300 MHz

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signals

200

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G6

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

FJX2222ATF

Onsemi

NPN

SINGLE

YES

300 MHz

.35 W

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

40 V

35 ns

285 ns

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

LMBT2222ALT1G

Leshan Radio

NPN

SINGLE

YES

300 MHz

.3 W

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

75

150 Cel

SILICON

40 V

35 ns

285 ns

DUAL

R-PDSO-G3

NOT SPECIFIED

NOT SPECIFIED

MMBT2222A-7

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.3 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

40 V

35 ns

285 ns

TIN LEAD

DUAL

R-PDSO-G3

1

Not Qualified

e0

P2N2222ARL1

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

75

150 Cel

SILICON

40 V

35 ns

285 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

235

PN2222T&A

Continental Device India

NPN

SINGLE

NO

300 MHz

.625 W

.6 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

PN2222TA

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.6 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC548CTAR

Fairchild Semiconductor

NPN

SINGLE

NO

300 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC847PNQ-7R-F

Diodes Incorporated

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

300 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

200

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G6

1

HIGH RELIABILITY

e3

260

AEC-Q101

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