1 W Small Signal Bipolar Junction Transistors (BJT) 944

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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

SS8050BBU-B

Onsemi

NPN

SINGLE

NO

100 MHz

1 W

1.5 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

85

150 Cel

9 pF

SILICON

25 V

BOTTOM

O-PBCY-T3

TO-92

2SC4645E

Onsemi

NPN

SINGLE

NO

70 MHz

1 W

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

100

150 Cel

SILICON

400 V

SINGLE

R-PSIP-T3

Not Qualified

2SA2127

Onsemi

PNP

SINGLE

NO

420 MHz

1 W

2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

50 V

TIN SILVER COPPER NICKEL

BOTTOM

O-PBCY-T3

TO-226AE

2SD1247S-AE

Onsemi

NPN

SINGLE

NO

150 MHz

1 W

2.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

1 W

140

150 Cel

19 pF

SILICON

25 V

Tin/Copper/Silver/Nickel (Sn/Cu/Ag/Ni)

BOTTOM

O-PBCY-T3

2SD1207T

Onsemi

NPN

SINGLE

NO

150 MHz

1 W

2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

50 V

Tin/Copper/Silver/Nickel (Sn/Cu/Ag/Ni)

BOTTOM

O-PBCY-T3

TO-92

2SD1207S

Onsemi

NPN

SINGLE

NO

150 MHz

1 W

2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

140

150 Cel

SILICON

50 V

Tin/Copper/Silver/Nickel (Sn/Cu/Ag/Ni)

BOTTOM

O-PBCY-T3

TO-92

PZTA27

Onsemi

NPN

DARLINGTON

YES

125 MHz

1 W

.8 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

10000

150 Cel

SILICON

MATTE TIN

DUAL

R-PDSO-G4

1

Not Qualified

e3

30

260

2SC6043-AE

Onsemi

NPN

SINGLE

NO

1 W

2 A

1

Other Transistors

200

150 Cel

TIN SILVER COPPER NICKEL

e2

SS8050CBU-B

Onsemi

NPN

SINGLE

NO

100 MHz

1 W

1.5 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

85

150 Cel

9 pF

SILICON

25 V

BOTTOM

O-PBCY-T3

TO-92

SS8050DTA-B

Onsemi

NPN

SINGLE

NO

100 MHz

1 W

1.5 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

85

150 Cel

9 pF

SILICON

25 V

BOTTOM

O-PBCY-T3

TO-92

JANTX2N3637L

Onsemi

PNP

SINGLE

NO

1 W

1 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

200 Cel

SILICON

175 V

200 ns

650 ns

BOTTOM

O-MBCY-W3

Not Qualified

TO-5

MIL-19500/357H

2SA2127-AE

Onsemi

PNP

SINGLE

NO

420 MHz

1 W

2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

50 V

Tin/Copper/Silver/Nickel (Sn/Cu/Ag/Ni)

BOTTOM

O-PBCY-T3

TO-226AE

MPS6726G

Onsemi

PNP

SINGLE

NO

50 MHz

1 W

1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

30 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-226

e1

260

SS8050BBU-D

Onsemi

NPN

SINGLE

NO

100 MHz

1 W

1.5 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

160

150 Cel

9 pF

SILICON

25 V

BOTTOM

O-PBCY-T3

TO-92

MPS6725RLRP

Onsemi

NPN

DARLINGTON

NO

100 MHz

1 W

1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

4000

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

2SA2112-AN

Onsemi

PNP

SINGLE

YES

1 W

3 A

1

Other Transistors

200

150 Cel

Tin/Copper/Silver/Nickel (Sn/Cu/Ag/Ni)

2SC4482U-AN

Onsemi

NPN

SINGLE

NO

150 MHz

1 W

5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

280

150 Cel

SILICON

20 V

TIN SILVER COPPER NICKEL

SINGLE

R-PSIP-T3

MPS6724

Onsemi

NPN

DARLINGTON

NO

100 MHz

1 W

1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

4000

150 Cel

SILICON

40 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

SS8050CTA-D

Onsemi

NPN

SINGLE

NO

100 MHz

1 W

1.5 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

160

150 Cel

9 pF

SILICON

25 V

BOTTOM

O-PBCY-T3

TO-92

PZTA65

Onsemi

NPN

DARLINGTON

YES

100 MHz

1 W

1.2 A

PLASTIC/EPOXY

1.5 V

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

20000

150 Cel

SILICON

-55 Cel

DUAL

R-PDSO-G4

2SA2112

Onsemi

PNP

SINGLE

NO

1 W

3 A

1

Other Transistors

200

150 Cel

2SD1247T-AE

Onsemi

NPN

SINGLE

NO

150 MHz

1 W

2.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

1 W

200

150 Cel

19 pF

SILICON

25 V

Tin/Copper/Silver/Nickel (Sn/Cu/Ag/Ni)

BOTTOM

O-PBCY-T3

SS8050DTA-C

Onsemi

NPN

SINGLE

NO

100 MHz

1 W

1.5 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

150 Cel

9 pF

SILICON

25 V

BOTTOM

O-PBCY-T3

TO-92

MPS6724G

Onsemi

NPN

DARLINGTON

NO

100 MHz

1 W

1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

4000

150 Cel

SILICON

40 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

2SD1247R

Onsemi

NPN

SINGLE

NO

150 MHz

1 W

2.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

1 W

100

150 Cel

19 pF

SILICON

25 V

BOTTOM

O-PBCY-T3

2SC4482T-AN

Onsemi

NPN

SINGLE

NO

150 MHz

1 W

5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

200

150 Cel

SILICON

20 V

TIN SILVER COPPER NICKEL

SINGLE

R-PSIP-T3

MPS6725

Onsemi

NPN

DARLINGTON

NO

100 MHz

1 W

1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

4000

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

2SC4645D

Onsemi

NPN

SINGLE

NO

70 MHz

1 W

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

60

150 Cel

SILICON

400 V

SINGLE

R-PSIP-T3

Not Qualified

SS8050DTA-D

Onsemi

NPN

SINGLE

NO

100 MHz

1 W

1.5 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

160

150 Cel

9 pF

SILICON

25 V

BOTTOM

O-PBCY-T3

TO-92

PZTA63

Onsemi

PNP

DARLINGTON

YES

125 MHz

1 W

1.2 A

PLASTIC/EPOXY

1.5 V

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

10000

150 Cel

SILICON

-55 Cel

DUAL

R-PDSO-G4

COLLECTOR

2SC6043

Onsemi

NPN

SINGLE

NO

1 W

2 A

1

Other Transistors

40

150 Cel

Tin/Copper/Silver/Nickel (Sn/Cu/Ag/Ni)

2SC4645C

Onsemi

NPN

SINGLE

NO

70 MHz

1 W

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

40

150 Cel

SILICON

400 V

SINGLE

R-PSIP-T3

Not Qualified

JANTXV2N3635L

Onsemi

PNP

SINGLE

NO

1 W

1 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

200 Cel

SILICON

140 V

200 ns

650 ns

BOTTOM

O-MBCY-W3

Not Qualified

TO-5

MIL-19500/357H

SS8050DBU-B

Onsemi

NPN

SINGLE

NO

100 MHz

1 W

1.5 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

85

150 Cel

9 pF

SILICON

25 V

BOTTOM

O-PBCY-T3

TO-92

PZTA29

Onsemi

NPN

SINGLE

YES

125 MHz

1 W

.8 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

10000

150 Cel

SILICON

100 V

MATTE TIN

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

e3

30

260

SS8050DBU-C

Onsemi

NPN

SINGLE

NO

100 MHz

1 W

1.5 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

150 Cel

9 pF

SILICON

25 V

BOTTOM

O-PBCY-T3

TO-92

2SD1247U

Onsemi

NPN

SINGLE

NO

150 MHz

1 W

2.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

1 W

280

150 Cel

19 pF

SILICON

25 V

BOTTOM

O-PBCY-T3

2SD1247T

Onsemi

NPN

SINGLE

NO

150 MHz

1 W

2.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

1 W

200

150 Cel

19 pF

SILICON

25 V

BOTTOM

O-PBCY-T3

SS8050CTA-C

Onsemi

NPN

SINGLE

NO

100 MHz

1 W

1.5 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

150 Cel

9 pF

SILICON

25 V

BOTTOM

O-PBCY-T3

TO-92

2STX1360

STMicroelectronics

NPN

SINGLE

NO

130 MHz

1 W

3 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

160

150 Cel

SILICON

60 V

120 ns

785 ns

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BDX54S

STMicroelectronics

PNP

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

NO

1 W

6 A

METAL

SWITCHING

2 V

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

15 W

500

200 Cel

SILICON

150 V

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-39

e0

STL72-AP

STMicroelectronics

NPN

SINGLE

NO

1 W

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

5

150 Cel

SILICON

400 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

STBV42-AP

STMicroelectronics

NPN

SINGLE

NO

1 W

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

5

150 Cel

SILICON

400 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

STBV42

STMicroelectronics

NPN

SINGLE

NO

1 W

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

5

150 Cel

SILICON

400 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

2STX2360

STMicroelectronics

PNP

SINGLE

NO

130 MHz

1 W

3 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

160

150 Cel

SILICON

60 V

115 ns

400 ns

MATTE TIN

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

e3

2STL1525-AP

STMicroelectronics

NPN

SINGLE

NO

120 MHz

1 W

5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

25 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

STBV42G-AP

STMicroelectronics

NPN

SINGLE

NO

1 W

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

5

150 Cel

SILICON

400 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BDX53S

STMicroelectronics

NPN

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

NO

1 W

6 A

METAL

SWITCHING

2 V

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

15 W

500

200 Cel

SILICON

150 V

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-39

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