250 MHz Small Signal Bipolar Junction Transistors (BJT) 2,400+

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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

DTC124EU3HZGT106

ROHM

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

56

150 Cel

SILICON

TIN

DUAL

R-PDSO-G3

BUILT-IN BIAS RESISTOR RATIO IS 1

e3

AEC-Q101

DTC143XUAT106

ROHM

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

.2 W

30

150 Cel

SILICON

50 V

TIN SILVER COPPER

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 2.1

e1

10

260

DTC143XUBTL

ROHM

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

.2 W

30

150 Cel

SILICON

50 V

TIN SILVER COPPER

DUAL

R-PDSO-F3

1

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 2.1

e1

10

260

EMD2T2R

ROHM

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

250 MHz

.15 W

.03 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signals

56

150 Cel

SILICON

50 V

TIN COPPER

DUAL

R-PDSO-F6

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

e2

10

260

EMD9FHAT2R

ROHM

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

250 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

68

SILICON

50 V

DUAL

R-PDSO-F6

1

BUILT IN BIAS RESISTANCE RATIO IS 4.7

10

260

AEC-Q101

EMD9T2R

ROHM

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

250 MHz

.15 W

.07 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

68

150 Cel

SILICON

50 V

DUAL

R-PDSO-F6

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 4.7

10

260

EMG8T2R

ROHM

NPN

COMMON EMITTER, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

250 MHz

.15 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

2

5

SMALL OUTLINE

BIP General Purpose Small Signal

80

150 Cel

SILICON

50 V

TIN COPPER

DUAL

R-PDSO-F5

1

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 10

e2

10

260

LMBT3906LT1G

Leshan Radio

PNP

SINGLE

YES

250 MHz

.225 W

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

300 ns

TIN

DUAL

R-PDSO-G3

TO-236AB

e3

MMBT4126LT1G

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

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

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

SMBT3906SH6327XTSA1

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

AEC-Q101

2N2220

Texas Instruments

NPN

SINGLE

NO

250 MHz

1.8 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

12

200 Cel

SILICON

30 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

D2T2218

Texas Instruments

NPN

SEPARATE, 2 ELEMENTS

NO

250 MHz

.4 W

.8 A

METAL

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

25

175 Cel

SILICON

30 V

BOTTOM

O-MBCY-W6

ISOLATED

Not Qualified

TO-78

NOT SPECIFIED

NOT SPECIFIED

D2T2218A

Texas Instruments

NPN

SEPARATE, 2 ELEMENTS

NO

250 MHz

.4 W

.8 A

METAL

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

25

175 Cel

SILICON

40 V

35 ns

285 ns

BOTTOM

O-MBCY-W6

ISOLATED

Not Qualified

TO-78

NOT SPECIFIED

NOT SPECIFIED

A5T2222

Texas Instruments

NPN

SINGLE

NO

250 MHz

.625 W

.8 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

30 V

20 ns

213 ns

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

A5T3906

Texas Instruments

PNP

SINGLE

NO

250 MHz

.36 W

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

80

140 Cel

SILICON

40 V

70 ns

300 ns

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2N2221A

Texas Instruments

NPN

SINGLE

NO

250 MHz

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

25

SILICON

40 V

35 ns

285 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-18

D2T2219

Texas Instruments

NPN

SEPARATE, 2 ELEMENTS

NO

250 MHz

.4 W

.8 A

METAL

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

50

175 Cel

SILICON

30 V

BOTTOM

O-MBCY-W6

ISOLATED

Not Qualified

TO-78

NOT SPECIFIED

NOT SPECIFIED

2N3903

Texas Instruments

NPN

SINGLE

NO

250 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

150 Cel

SILICON

40 V

70 ns

225 ns

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N743

Texas Instruments

NPN

SINGLE

NO

250 MHz

.3 W

.2 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

200 Cel

SILICON

12 V

BOTTOM

O-MBCY-W3

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

2N2540

Texas Instruments

NPN

SINGLE

NO

250 MHz

.5 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

200 Cel

SILICON

30 V

40 ns

40 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

A5T3903

Texas Instruments

NPN

SINGLE

NO

250 MHz

.36 W

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

150 Cel

SILICON

40 V

70 ns

225 ns

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2N2217

Texas Instruments

NPN

SINGLE

NO

250 MHz

.8 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

12

175 Cel

SILICON

30 V

-65 Cel

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

2N915

Texas Instruments

NPN

SINGLE

NO

250 MHz

1.2 W

.1 A

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

200 Cel

SILICON

50 V

BOTTOM

O-MBCY-W3

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

2N2539

Texas Instruments

NPN

SINGLE

NO

250 MHz

.5 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

200 Cel

SILICON

30 V

40 ns

40 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

2N2218

Texas Instruments

NPN

SINGLE

NO

250 MHz

.8 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

200 Cel

SILICON

30 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

2N3250A

Texas Instruments

PNP

SINGLE

NO

250 MHz

1.2 W

.2 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

15

175 Cel

SILICON

60 V

70 ns

225 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

A5T4123

Texas Instruments

NPN

SINGLE

NO

250 MHz

.31 W

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

135 Cel

SILICON

30 V

22 ns

32 ns

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

TIS135

Texas Instruments

NPN

SINGLE

NO

250 MHz

.7 W

.5 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

50 V

35 ns

60 ns

BOTTOM

O-PBCY-W3

Not Qualified

HIGH CURRENT DRIVER

NOT SPECIFIED

NOT SPECIFIED

TIS136

Texas Instruments

NPN

SINGLE

NO

250 MHz

.7 W

.5 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

150 Cel

SILICON

40 V

35 ns

60 ns

BOTTOM

O-PBCY-W3

Not Qualified

HIGH CURRENT DRIVER

NOT SPECIFIED

NOT SPECIFIED

2N2218A

Texas Instruments

NPN

SINGLE

NO

250 MHz

.8 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

200 Cel

SILICON

40 V

35 ns

285 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

2N3250

Texas Instruments

PNP

SINGLE

NO

250 MHz

1.2 W

.2 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

15

175 Cel

SILICON

40 V

70 ns

225 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

2N744

Texas Instruments

NPN

SINGLE

NO

250 MHz

1 W

.2 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

175 Cel

SILICON

12 V

BOTTOM

O-MBCY-W3

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

A5T4126

Texas Instruments

PNP

SINGLE

NO

250 MHz

.31 W

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

135 Cel

SILICON

25 V

26 ns

82 ns

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

TIS133

Texas Instruments

NPN

SINGLE

NO

250 MHz

.7 W

.5 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

30 V

35 ns

60 ns

BOTTOM

O-PBCY-W3

Not Qualified

HIGH CURRENT DRIVER

NOT SPECIFIED

NOT SPECIFIED

TIS134

Texas Instruments

NPN

SINGLE

NO

250 MHz

.7 W

.5 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

30 V

35 ns

60 ns

BOTTOM

O-PBCY-W3

Not Qualified

HIGH CURRENT DRIVER

NOT SPECIFIED

NOT SPECIFIED

2N2219

Texas Instruments

NPN

SINGLE

NO

250 MHz

.8 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

200 Cel

SILICON

30 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

2N3735

Texas Instruments

NPN

SINGLE

NO

250 MHz

1 W

1.5 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

200 Cel

SILICON

50 V

48 ns

60 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

LOW NOISE

TO-39

NOT SPECIFIED

NOT SPECIFIED

2N4126

Texas Instruments

PNP

SINGLE

NO

250 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

150 Cel

SILICON

25 V

26 ns

82 ns

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

2N3015

Texas Instruments

NPN

SINGLE

NO

250 MHz

.8 W

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

10

175 Cel

SILICON

30 V

40 ns

60 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

2N2537

Texas Instruments

NPN

SINGLE

NO

250 MHz

.8 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

200 Cel

SILICON

30 V

40 ns

40 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

2N2538

Texas Instruments

NPN

SINGLE

NO

250 MHz

.8 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

200 Cel

SILICON

30 V

40 ns

40 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

2N4123RLRM

Onsemi

NPN

SINGLE

NO

250 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

2N4123ZL1

Onsemi

NPN

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

25

150 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

2N4123RL

Onsemi

NPN

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

25

150 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

2N4123RL1

Onsemi

NPN

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

25

150 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

2N4123RLRA

Onsemi

NPN

SINGLE

NO

250 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

2N4123RLRE

Onsemi

NPN

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

25

150 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

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