.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

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

BCX70KTA

Diodes Incorporated

NPN

SINGLE

YES

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

45 V

150 ns

800 ns

DUAL

R-PDSO-G3

Not Qualified

CECC

BCY59-X

Motorola

NPN

SINGLE

NO

200 MHz

.2 A

METAL

.7 V

WIRE

ROUND

1

3

CYLINDRICAL

1 W

380

200 Cel

6 pF

SILICON

45 V

150 ns

800 ns

BOTTOM

O-MBCY-W3

Not Qualified

TO-206AA

NOT SPECIFIED

NOT SPECIFIED

BCY59X

STMicroelectronics

NPN

SINGLE

NO

100 MHz

.6 W

.2 A

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

175 Cel

SILICON

45 V

150 ns

800 ns

MATTE TIN

BOTTOM

O-MBCY-W3

Not Qualified

LOW NOISE

TO-18

e3

BFN27

Infineon Technologies

PNP

SINGLE

YES

100 MHz

.36 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

300 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

FMMT2369ATA

Diodes Incorporated

NPN

SINGLE

YES

500 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

20

SILICON

15 V

12 ns

18 ns

DUAL

R-PDSO-G3

Not Qualified

CECC

MBT6429DW1T1

Onsemi

NPN

SEPARATE, 2 ELEMENTS

YES

100 MHz

.15 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

500

150 Cel

SILICON

45 V

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G6

1

Not Qualified

e0

30

235

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

MMBT3906_NL

Fairchild Semiconductor

PNP

SINGLE

YES

250 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

300 ns

MATTE TIN

DUAL

R-PDSO-G3

1

COLLECTOR

Not Qualified

e3

MMBTA92-HF

Comchip Technology

PNP

SINGLE

YES

50 MHz

.3 W

.2 A

PLASTIC/EPOXY

.2 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

.3 W

60

150 Cel

SILICON

300 V

DUAL

R-PDSO-G3

HIGH RELIABILITY

PMBT2369,235

NXP Semiconductors

NPN

SINGLE

YES

500 MHz

.25 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20

150 Cel

SILICON

15 V

20 ns

10 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

PZT3906E6327

Infineon Technologies

PNP

SINGLE

YES

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

30

SILICON

40 V

70 ns

300 ns

DUAL

R-PDSO-G4

COLLECTOR

Not Qualified

PZT3906T1

Onsemi

PNP

SINGLE

YES

250 MHz

.3 W

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

300 ns

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

TO-261AA

e0

30

235

SMBT3904PNE6327

Infineon Technologies

NPN AND PNP

YES

250 MHz

.25 W

.2 A

BIP General Purpose Small Signal

30

150 Cel

1

260

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

ZTX558

Diodes Incorporated

PNP

SINGLE

NO

50 MHz

1 W

.2 A

PLASTIC/EPOXY

WIRE

RECTANGULAR

1

3

IN-LINE

Other Transistors

100

200 Cel

SILICON

400 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

MMBT3904W_R1_00001

Panjit International

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

-55 Cel

250 ns

DUAL

R-PDSO-G3

NOT SPECIFIED

NOT SPECIFIED

MMBT3906SL

Onsemi

PNP

SINGLE

YES

250 MHz

.227 W

.2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

300 ns

Tin (Sn)

DUAL

R-PDSO-F3

1

Not Qualified

e3

30

260

MMBTA94

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.35 W

.2 A

PLASTIC/EPOXY

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

.35 W

40

150 Cel

SILICON

400 V

-55 Cel

DUAL

R-PDSO-G3

PMST3906,115

NXP Semiconductors

PNP

SINGLE

YES

250 MHz

.2 W

.2 A

PLASTIC/EPOXY

SWITCHING

.4 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

4.5 pF

SILICON

40 V

70 ns

300 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

PZT3904-TP

Micro Commercial Components

NPN

SINGLE

YES

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

100

SILICON

40 V

70 ns

250 ns

MATTE TIN

DUAL

R-PDSO-G4

1

e3

10

260

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

FMMTA92TA

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

25

SILICON

300 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

CECC50002-245

2N3904S

Kec

NPN

SINGLE

YES

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

SILICON

40 V

70 ns

250 ns

DUAL

R-PDSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2SAR522EBTL

ROHM

PNP

SINGLE

YES

350 MHz

.15 W

.2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

120

150 Cel

SILICON

20 V

TIN

DUAL

R-PDSO-F3

1

Not Qualified

e3

10

260

MMBT3906FZ-7B

Diodes Incorporated

PNP

SINGLE

YES

300 MHz

.2 A

PLASTIC/EPOXY

NO LEAD

SQUARE

1

3

CHIP CARRIER

30

150 Cel

SILICON

40 V

70 ns

-55 Cel

300 ns

NICKEL PALLADIUM GOLD

BOTTOM

S-PBCC-N3

COLLECTOR

e4

260

MMDT3946-7-F

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 Signals

30

150 Cel

SILICON

40 V

70 ns

250 ns

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

SST3906T116

ROHM

PNP

SINGLE

YES

250 MHz

.3 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

300 ns

TIN SILVER COPPER

DUAL

R-PDSO-G3

1

Not Qualified

e1

10

260

2SCR522EBTL

ROHM

NPN

SINGLE

YES

400 MHz

.15 W

.2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

120

150 Cel

SILICON

20 V

TIN

DUAL

R-PDSO-F3

1

Not Qualified

e3

10

260

BCW60D,215

NXP Semiconductors

NPN

SINGLE

YES

250 MHz

.3 W

.2 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

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

e3

30

260

MMST5401-7-F

Diodes Incorporated

PNP

SINGLE

YES

100 MHz

.2 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

SILICON

150 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

UMT3904T106

ROHM

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

70 ns

250 ns

TIN SILVER COPPER

DUAL

R-PDSO-G3

1

Not Qualified

e1

10

260

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

MJE13001

Micro Commercial Components

SINGLE

NO

8 MHz

.2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

10

SILICON

400 V

1800 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

MMBT3640

Onsemi

PNP

SINGLE

YES

500 MHz

.225 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20

150 Cel

SILICON

12 V

25 ns

35 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

HIGH SPEED SATURATED SWITCHING

e3

30

260

TD62503F

Toshiba

NPN

COMMON EMITTER, 7 ELEMENTS WITH BUILT-IN RESISTOR

YES

.2 A

PLASTIC/EPOXY

SWITCHING

.8 V

GULL WING

RECTANGULAR

7

16

SMALL OUTLINE

.625 W

50

85 Cel

SILICON

35 V

DUAL

R-PDSO-G16

Not Qualified

BUILT-IN RESISTOR RATIO IS 3.70

NOT SPECIFIED

NOT SPECIFIED

2N2894

Texas Instruments

PNP

SINGLE

NO

400 MHz

1.2 W

.2 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

175 Cel

SILICON

12 V

60 ns

90 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

2N3963

Texas Instruments

PNP

SINGLE

NO

40 MHz

.36 W

.2 A

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

175 Cel

SILICON

80 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

LOW NOISE

TO-18

NOT SPECIFIED

NOT SPECIFIED

2N4121

Onsemi

PNP

SINGLE

NO

400 MHz

.2 W

.2 A

1

Other Transistors

70

150 Cel

Tin/Lead (Sn/Pb)

e0

2N4123

Texas Instruments

NPN

SINGLE

NO

250 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

30 V

22 ns

32 ns

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N551

Central Semiconductor

NPN

SINGLE

NO

.6 W

.2 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

200 Cel

SILICON

60 V

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

TO-5

e0

2SCR522MT2L

ROHM

NPN

SINGLE

YES

400 MHz

.15 W

.2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

120

150 Cel

SILICON

20 V

TIN

DUAL

R-PDSO-F3

1

Not Qualified

e3

10

260

JAN2N3251A

Defense Logistics Agency

PNP

SINGLE

NO

.2 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

90

SILICON

60 V

70 ns

300 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

MIL-19500/323H

MM3904

Motorola

NPN

SINGLE

NO

300 MHz

.2 W

.2 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

15

175 Cel

SILICON

40 V

70 ns

250 ns

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

HIGH RELIABILITY

TO-52

e0

MMBT4123

National Semiconductor

NPN

SINGLE

YES

250 MHz

.225 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

SILICON

30 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

TO-236AB

e0

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

MPQ3904

Onsemi

NPN

SEPARATE, 4 ELEMENTS

NO

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

4

14

IN-LINE

75

SILICON

40 V

DUAL

R-PDIP-T14

Not Qualified

TO-116

MPS2369

Onsemi

NPN

SINGLE

NO

500 MHz

.625 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

150 Cel

SILICON

15 V

12 ns

18 ns

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

30

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