.4 W Small Signal Bipolar Junction Transistors (BJT) 340

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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

2N721

Texas Instruments

PNP

SINGLE

NO

50 MHz

.4 W

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

175 Cel

SILICON

35 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

2N717

Texas Instruments

NPN

SINGLE

NO

40 MHz

.4 W

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

175 Cel

SILICON

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

HIGH RELIABILITY

TO-18

NOT SPECIFIED

NOT SPECIFIED

D2T2219A

Texas Instruments

NPN

SEPARATE, 2 ELEMENTS

NO

300 MHz

.4 W

.8 A

METAL

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

50

175 Cel

SILICON

40 V

35 ns

285 ns

BOTTOM

O-MBCY-W6

ISOLATED

Not Qualified

TO-78

NOT SPECIFIED

NOT SPECIFIED

D2T2904A

Texas Instruments

PNP

SEPARATE, 2 ELEMENTS

NO

200 MHz

.4 W

.6 A

METAL

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

40

175 Cel

SILICON

60 V

45 ns

100 ns

BOTTOM

O-MBCY-W6

ISOLATED

Not Qualified

TO-78

NOT SPECIFIED

NOT SPECIFIED

2N3505

Texas Instruments

PNP

SINGLE

NO

200 MHz

.4 W

.6 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

135

175 Cel

SILICON

60 V

40 ns

100 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

LOW NOISE

TO-18

NOT SPECIFIED

NOT SPECIFIED

2N3504

Texas Instruments

PNP

SINGLE

NO

200 MHz

.4 W

.6 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

135

175 Cel

SILICON

45 V

40 ns

100 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

LOW NOISE

TO-18

NOT SPECIFIED

NOT SPECIFIED

2N2944

Texas Instruments

PNP

SINGLE

NO

10 MHz

.4 W

.1 A

METAL

CHOPPER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

80

175 Cel

SILICON

10 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-46

NOT SPECIFIED

NOT SPECIFIED

2N2945

Texas Instruments

PNP

SINGLE

NO

5 MHz

.4 W

.1 A

METAL

CHOPPER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

200 Cel

SILICON

20 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-46

NOT SPECIFIED

NOT SPECIFIED

2N2906A

Texas Instruments

PNP

SINGLE

NO

200 MHz

.4 W

.6 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

175 Cel

SILICON

60 V

45 ns

100 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

2N2906

Texas Instruments

PNP

SINGLE

NO

200 MHz

.4 W

.6 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

175 Cel

SILICON

40 V

45 ns

100 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-18

NOT SPECIFIED

NOT SPECIFIED

2N2946

Texas Instruments

PNP

SINGLE

NO

3 MHz

.4 W

.1 A

METAL

CHOPPER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

175 Cel

SILICON

35 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-46

NOT SPECIFIED

NOT SPECIFIED

2N3550

Onsemi

PNP

SINGLE

NO

60 MHz

.4 W

.1 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

175 Cel

SILICON

45 V

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

LOW NOISE

TO-18

e0

2N3547

Onsemi

PNP

SINGLE

NO

45 MHz

.4 W

.1 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

175 Cel

SILICON

60 V

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

LOW NOISE

TO-18

e0

2N3548

Onsemi

PNP

SINGLE

NO

60 MHz

.4 W

.1 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

175 Cel

SILICON

45 V

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

LOW NOISE

TO-18

e0

2N3549

Onsemi

PNP

SINGLE

NO

60 MHz

.4 W

.1 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

175 Cel

SILICON

60 V

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

LOW NOISE

TO-18

e0

KSA1015YTA-Y

Onsemi

PNP

SINGLE

NO

80 MHz

.4 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

150 Cel

7 pF

SILICON

50 V

BOTTOM

O-PBCY-T3

TO-92

KSC1815YTA-Y

Onsemi

NPN

SINGLE

NO

80 MHz

.4 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.25 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.4 W

120

150 Cel

3 pF

SILICON

50 V

BOTTOM

O-PBCY-T3

TO-92

KSA1015YTA-GR

Onsemi

PNP

SINGLE

NO

80 MHz

.4 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

150 Cel

7 pF

SILICON

50 V

BOTTOM

O-PBCY-T3

TO-92

KSA1015YTA-O

Onsemi

PNP

SINGLE

NO

80 MHz

.4 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

70

150 Cel

7 pF

SILICON

50 V

BOTTOM

O-PBCY-T3

TO-92

KSC1815YTA-GR

Onsemi

NPN

SINGLE

NO

80 MHz

.4 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.25 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.4 W

120

150 Cel

3 pF

SILICON

50 V

BOTTOM

O-PBCY-T3

TO-92

KSC1815YTA-O

Onsemi

NPN

SINGLE

NO

80 MHz

.4 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.25 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.4 W

120

150 Cel

3 pF

SILICON

50 V

BOTTOM

O-PBCY-T3

TO-92

MPS3694

Onsemi

NPN

SINGLE

NO

200 MHz

.4 W

.05 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

45 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

NSM80101MT1G

Onsemi

NPN

SINGLE WITH BUILT-IN DIODE

YES

150 MHz

.4 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

6

SMALL OUTLINE

Other Transistors

120

150 Cel

SILICON

80 V

MATTE TIN

DUAL

R-PDSO-G6

1

e3

30

260

NSM80100MT1G

Onsemi

PNP

SINGLE WITH BUILT-IN DIODE

YES

150 MHz

.4 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

6

SMALL OUTLINE

Other Transistors

120

150 Cel

SILICON

80 V

MATTE TIN

DUAL

R-PDSO-G6

1

e3

30

260

SCH2505

Onsemi

NPN AND PNP

SINGLE

YES

.4 W

.4 A

1

BIP General Purpose Small Signal

200

150 Cel

SCH2503

Onsemi

NPN AND PNP

SINGLE

YES

.4 W

.6 A

1

BIP General Purpose Small Signal

200

150 Cel

KSA539CYTA

Onsemi

PNP

SINGLE

NO

.4 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

150 Cel

SILICON

45 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

KSA1015GRTA-Y

Onsemi

PNP

SINGLE

NO

80 MHz

.4 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

150 Cel

7 pF

SILICON

50 V

BOTTOM

O-PBCY-T3

TO-92

KSA1015GRTA-GR

Onsemi

PNP

SINGLE

NO

80 MHz

.4 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

150 Cel

7 pF

SILICON

50 V

BOTTOM

O-PBCY-T3

TO-92

KSC1815YTA-L

Onsemi

NPN

SINGLE

NO

80 MHz

.4 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.25 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.4 W

120

150 Cel

3 pF

SILICON

50 V

BOTTOM

O-PBCY-T3

TO-92

MPS3693

Onsemi

NPN

SINGLE

NO

200 MHz

.4 W

.05 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

45 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSC815YTA

Onsemi

NPN

SINGLE

NO

200 MHz

.4 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

150 Cel

SILICON

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

KSA1015GRTA-O

Onsemi

PNP

SINGLE

NO

80 MHz

.4 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

70

150 Cel

7 pF

SILICON

50 V

BOTTOM

O-PBCY-T3

TO-92

NSVMMUN2135LT1G

Onsemi

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

.25 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

80

150 Cel

SILICON

50 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

BUILT-IN BIAS RESISTOR RATIO IS 21.27

TO-236

e3

30

260

AEC-Q101

2SC3655

Onsemi

NPN

NO

.4 W

.1 A

1

BIP General Purpose Small Signal

50

SILICON

MMUN2217LT1G

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

35

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

BUILT IN BIAS RESISTANCE RATIO IS 2.13

TO-236AB

e3

NOT SPECIFIED

NOT SPECIFIED

MMUN2234LT3G

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

80

SILICON

50 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 2.14

TO-236

e3

260

MMUN2113LT3G

Onsemi

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

.25 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

80

150 Cel

SILICON

50 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO 1

TO-236AB

e3

40

260

SMMUN2116LT1G

Onsemi

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

160

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

TO-236AB

e3

NOT SPECIFIED

NOT SPECIFIED

AEC-Q101

SMMUN2111LT3G

Onsemi

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

35

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

BUILT IN BIAS RESISTANCE RATIO IS 1

TO-236AB

e3

NOT SPECIFIED

NOT SPECIFIED

AEC-Q101

MMUN2133LT1G

Onsemi

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signals

80

150 Cel

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO 0.1

TO-236AB

e3

40

260

SMMUN2215LT1G

Onsemi

NPN

YES

.4 W

.1 A

1

BIP General Purpose Small Signal

160

SILICON

MATTE TIN

1

e3

30

260

SMMUN2134LT1G

Onsemi

PNP

YES

.4 W

.1 A

1

BIP General Purpose Small Signals

80

SILICON

MATTE TIN

1

e3

30

260

MMUN2134LT1G

Onsemi

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signals

80

150 Cel

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO 0.47

TO-236AB

e3

40

260

2SC3654

Onsemi

NPN

NO

.4 W

.1 A

1

BIP General Purpose Small Signal

50

SILICON

MMUN2141LT1G

Onsemi

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

160

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

BUILT IN BIAS RESISTOR

TO-236AB

e3

NOT SPECIFIED

NOT SPECIFIED

MMUN2138LT1G

Onsemi

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

160

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

TO-236AB

e3

NOT SPECIFIED

NOT SPECIFIED

SMMUN2238LTIG

Onsemi

NPN

YES

.4 W

.1 A

1

BIP General Purpose Small Signal

160

SILICON

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