.2 A Small Signal Bipolar Junction Transistors (BJT) 103

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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

SMMBT2369LT1G

Onsemi

NPN

SINGLE

YES

.3 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20

150 Cel

SILICON

15 V

12 ns

18 ns

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

TO-236AB

e3

NOT SPECIFIED

NOT SPECIFIED

AEC-Q101

MMBT2369A_R1_00001

Panjit International

NPN

SINGLE

YES

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

15 V

TIN

DUAL

R-PDSO-G3

e3

MMBT3906-TP-HF

Micro Commercial Components

PNP

SINGLE

YES

250 MHz

.3 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

-55 Cel

305 ns

MATTE TIN

DUAL

R-PDSO-G3

1

e3

10

260

BFN18E6327HTSA1

Infineon Technologies

NPN

SINGLE

YES

70 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

30

150 Cel

SILICON

300 V

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

SMBT3904E6433HTMA1

Infineon Technologies

NPN

SINGLE

YES

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

70

150 Cel

SILICON

40 V

70 ns

250 ns

DUAL

R-PDSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

MBT3906DW1T2G

Onsemi

PNP

YES

250 MHz

.15 W

.2 A

Other Transistors

100

150 Cel

TIN

1

e3

30

260

FMMTA42QTA

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

300 V

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

BFN39E6327HTSA1

Infineon Technologies

PNP

SINGLE

YES

100 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

30

SILICON

300 V

DUAL

R-PDSO-G4

1

COLLECTOR

AEC-Q101

SMBT3904PNH6327XTSA1

Infineon Technologies

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

30

SILICON

40 V

70 ns

300 ns

TIN

DUAL

R-PDSO-G6

1

e3

AEC-Q101

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

SMBT3906UE6327HTSA1

Infineon Technologies

PNP

SEPARATE, 2 ELEMENTS

YES

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

30

SILICON

40 V

70 ns

300 ns

TIN

DUAL

R-PDSO-G6

1

e3

2N3903/D26Z

National Semiconductor

NPN

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

.2 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

50

SILICON

40 V

70 ns

225 ns

BOTTOM

O-PBCY-T3

Not Qualified

HIGH SPEED SATURATED SWITCHING

TO-92

BCX70KT216

ROHM

NPN

SINGLE

YES

125 MHz

.2 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

380

150 Cel

4.5 pF

SILICON

45 V

DUAL

R-PDSO-G3

Not Qualified

LOW NOISE

BCW60CT116

ROHM

NPN

SINGLE

YES

125 MHz

.2 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

260

150 Cel

4.5 pF

SILICON

32 V

DUAL

R-PDSO-G3

Not Qualified

LOW NOISE

BCX70JT116

ROHM

NPN

SINGLE

YES

125 MHz

.2 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

250

150 Cel

4.5 pF

SILICON

45 V

TIN SILVER COPPER

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

e1

10

260

BCX70KT116

ROHM

NPN

SINGLE

YES

125 MHz

.2 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

380

150 Cel

4.5 pF

SILICON

45 V

TIN SILVER COPPER

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

e1

10

260

MMST3904T146

ROHM

NPN

SINGLE

YES

300 MHz

.35 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

70 ns

250 ns

TIN SILVER COPPER

DUAL

R-PDSO-G3

1

Not Qualified

e1

10

260

MMBT3904TT1

Onsemi

NPN

SINGLE

YES

300 MHz

.15 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

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

e0

30

235

BFN19H6327XTSA1

Infineon Technologies

PNP

SINGLE

YES

100 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

30

SILICON

300 V

TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

e3

AEC-Q101

VT6X1T2R

ROHM

NPN

SEPARATE, 2 ELEMENTS

YES

400 MHz

.15 W

.2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

120

150 Cel

SILICON

20 V

TIN COPPER

DUAL

R-PDSO-F6

1

Not Qualified

e2

10

260

2N4125TFR

Fairchild Semiconductor

PNP

SINGLE

NO

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MMDT3946LP4-7

Diodes Incorporated

NPN AND PNP

SINGLE

YES

300 MHz

.2 W

.2 A

PLASTIC/EPOXY

NO LEAD

RECTANGULAR

1

6

SMALL OUTLINE

BIP General Purpose Small Signal

30

150 Cel

SILICON

40 V

250 ns

70 ns

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-N6

1

Not Qualified

e4

30

260

2N3904,116

NXP Semiconductors

NPN

SINGLE

NO

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

30

150 Cel

4 pF

SILICON

40 V

65 ns

-65 Cel

240 ns

TIN

BOTTOM

O-PBCY-T3

NOT APPLICABLE

Not Qualified

TO-92

e3

NOT SPECIFIED

NOT SPECIFIED

2N3904,412

NXP Semiconductors

NPN

SINGLE

NO

300 MHz

.5 W

.2 A

PLASTIC/EPOXY

SWITCHING

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

4 pF

SILICON

40 V

65 ns

240 ns

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N3906,116

NXP Semiconductors

PNP

SINGLE

NO

250 MHz

.5 W

.2 A

PLASTIC/EPOXY

SWITCHING

.4 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

4.5 pF

SILICON

40 V

65 ns

-65 Cel

300 ns

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

PH2369,112

NXP Semiconductors

NPN

SINGLE

NO

500 MHz

.5 W

.2 A

PLASTIC/EPOXY

SWITCHING

.25 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

150 Cel

4 pF

SILICON

15 V

10 ns

20 ns

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

PZT3904,115

NXP Semiconductors

NPN

SINGLE

YES

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

1.5 W

30

150 Cel

4 pF

SILICON

40 V

65 ns

240 ns

TIN

DUAL

R-PDSO-G4

COLLECTOR

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

PH2369,116

NXP Semiconductors

NPN

SINGLE

NO

500 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

.25 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

20

150 Cel

4 pF

SILICON

15 V

10 ns

20 ns

TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MMDT3946-TP

Micro Commercial Components

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

300 MHz

.2 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

100

150 Cel

SILICON

40 V

70 ns

250 ns

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

10

260

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

MMBT3904T-7

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.15 W

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

250 ns

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

e0

HN1B01FDW1T1

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

.38 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

1

Not Qualified

e0

30

235

MMDT3904-7

Diodes Incorporated

NPN

SEPARATE, 2 ELEMENTS

YES

300 MHz

.15 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

250 ns

TIN LEAD

DUAL

R-PDSO-G6

Not Qualified

e0

MMDT3906-7

Diodes Incorporated

PNP

SEPARATE, 2 ELEMENTS

YES

250 MHz

.2 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

300 ns

TIN LEAD

DUAL

R-PDSO-G6

Not Qualified

e0

2N4125BU

Fairchild Semiconductor

PNP

SINGLE

NO

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

1

Not Qualified

TO-92

e3

40

260

2N4125TA

Fairchild Semiconductor

PNP

SINGLE

NO

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MMBT3904-7

Diodes Incorporated

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

DUAL

R-PDSO-G3

1

Not Qualified

e0

DMMT3904W-7

Diodes Incorporated

NPN

SEPARATE, 2 ELEMENTS

YES

300 MHz

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

30

SILICON

40 V

70 ns

250 ns

TIN LEAD

DUAL

R-PDSO-G6

Not Qualified

e0

DMMT3906W-7

Diodes Incorporated

PNP

SEPARATE, 2 ELEMENTS

YES

250 MHz

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

30

SILICON

40 V

70 ns

300 ns

TIN LEAD

DUAL

R-PDSO-G6

Not Qualified

e0

NUS2401SNT1

Onsemi

NPN AND PNP

COMPLEX

YES

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

3

6

SMALL OUTLINE

Other Transistors

150

SILICON

50 V

TIN LEAD

DUAL

R-PDSO-G6

Not Qualified

BUILT IN BIAS RESISTORS

e0

235

MMBT3906-7

Diodes Incorporated

PNP

SINGLE

YES

250 MHz

.3 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

DUAL

R-PDSO-G3

1

Not Qualified

e0

MMBT4124-7

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

60

SILICON

25 V

TIN LEAD

DUAL

R-PDSO-G3

1

Not Qualified

e0

MMBT5401-7

Diodes Incorporated

PNP

SINGLE

YES

100 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

50

SILICON

150 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

e0

MMBT5551-7

Diodes Incorporated

NPN

SINGLE

YES

100 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

SILICON

160 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

e0

MMDT3946-7

Diodes Incorporated

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

300 MHz

.2 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

30

SILICON

40 V

70 ns

250 ns

TIN LEAD

DUAL

R-PDSO-G6

Not Qualified

e0

MMSTA42-7

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

150 Cel

SILICON

300 V

TIN LEAD

DUAL

R-PDSO-G3

1

Not Qualified

e0

MMDT4124-7

Diodes Incorporated

NPN

SEPARATE, 2 ELEMENTS

YES

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

60

SILICON

25 V

TIN LEAD

DUAL

R-PDSO-G6

Not Qualified

e0

MMDT5551-7

Diodes Incorporated

NPN

SEPARATE, 2 ELEMENTS

YES

100 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

30

SILICON

160 V

TIN LEAD

DUAL

R-PDSO-G6

Not Qualified

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