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

NSS12100XV6T1G

Onsemi

PNP

SINGLE

YES

100 MHz

1 W

1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

6

SMALL OUTLINE

Other Transistors

90

150 Cel

SILICON

12 V

MATTE TIN

DUAL

R-PDSO-F6

1

Not Qualified

e3

30

260

BCX55-10,115

NXP Semiconductors

NPN

SINGLE

YES

130 MHz

1 W

1 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

63

150 Cel

SILICON

60 V

TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

TO-243AA

e3

30

260

JANSH2N2222AUBC

Microchip Technology

NPN

SINGLE

YES

1 W

.8 A

CERAMIC, METAL-SEALED COFIRED

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

200 Cel

SILICON

50 V

35 ns

300 ns

TIN LEAD

DUAL

R-CDSO-N3

Qualified

e0

MIL-19500/255

ZTX792A

Diodes Incorporated

PNP

SINGLE

NO

100 MHz

1 W

2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

Other Transistors

200

200 Cel

SILICON

70 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

ZTX795A

Diodes Incorporated

PNP

SINGLE

NO

100 MHz

1 W

.5 A

PLASTIC/EPOXY

WIRE

RECTANGULAR

1

3

IN-LINE

Other Transistors

100

200 Cel

SILICON

140 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

BC868-25,115

NXP Semiconductors

NPN

SINGLE

YES

40 MHz

1 W

1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

160

150 Cel

SILICON

20 V

TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e3

30

260

BCV48,115

NXP Semiconductors

PNP

DARLINGTON

YES

220 MHz

1 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

1 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

2000

150 Cel

SILICON

60 V

TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

TO-243AA

e3

30

260

BCX52-16E6327

Infineon Technologies

PNP

SINGLE

YES

125 MHz

1 W

1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

60 V

MATTE TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e3

260

BCX54-16

NXP Semiconductors

NPN

SINGLE

YES

130 MHz

1 W

1 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

45 V

Tin (Sn)

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

TO-243AA

e3

30

260

BCX54.16

Continental Device India

NPN

SINGLE

YES

150 MHz

1 W

1 A

PLASTIC/EPOXY

SWITCHING

.5 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

15 pF

SILICON

45 V

TIN LEAD

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e0

10

235

BCX68-25

Infineon Technologies

NPN

SINGLE

YES

100 MHz

1 W

1 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

160

150 Cel

SILICON

20 V

Tin (Sn)

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

BCY59-IXPBFREE

Central Semiconductor

NPN

SINGLE

NO

150 MHz

1 W

.1 A

METAL

SWITCHING

.7 V

WIRE

ROUND

1

3

CYLINDRICAL

.34 W

60

200 Cel

5 pF

SILICON

45 V

150 ns

-65 Cel

800 ns

MATTE TIN OVER NICKEL

BOTTOM

O-MBCY-W3

LOW NOISE

TO-18

e3

BCY59-VIIIPBFREE

Central Semiconductor

NPN

SINGLE

NO

150 MHz

1 W

.1 A

METAL

SWITCHING

.7 V

WIRE

ROUND

1

3

CYLINDRICAL

.34 W

45

200 Cel

5 pF

SILICON

45 V

150 ns

-65 Cel

800 ns

MATTE TIN OVER NICKEL

BOTTOM

O-MBCY-W3

LOW NOISE

TO-18

e3

DXTA92-13

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

1 W

.5 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

300 V

MATTE TIN

DUAL

R-PDSO-F4

1

COLLECTOR

Not Qualified

e3

30

260

DZT2222A-13

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

1 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

40 V

35 ns

285 ns

Matte Tin (Sn)

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

e3

30

260

PXTA14,115

NXP Semiconductors

NPN

DARLINGTON

YES

125 MHz

1 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

1.5 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20000

150 Cel

SILICON

TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e3

30

260

BCY59-XPBFREE

Central Semiconductor

NPN

SINGLE

NO

150 MHz

1 W

.1 A

METAL

SWITCHING

.7 V

WIRE

ROUND

1

3

CYLINDRICAL

.34 W

60

200 Cel

5 pF

SILICON

45 V

150 ns

-65 Cel

800 ns

MATTE TIN OVER NICKEL

BOTTOM

O-MBCY-W3

LOW NOISE

TO-18

e3

FCX491ATA

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

1 W

1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

35

150 Cel

SILICON

40 V

MATTE TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e3

30

260

JANTX2N3421

Microchip Technology

NPN

SINGLE

NO

40 MHz

1 W

3 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

15

200 Cel

SILICON

80 V

300 ns

1300 ns

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Qualified

TO-5

e0

MIL-19500/393E

JANTX2N3498L

Microchip Technology

NPN

SINGLE

NO

1 W

.5 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

15

200 Cel

SILICON

100 V

115 ns

1150 ns

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Qualified

TO-5

e0

MIL-19500/366

MPSW51ARLRP

Onsemi

PNP

SINGLE

NO

50 MHz

1 W

1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

40 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

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

ZTX757

Diodes Incorporated

PNP

SINGLE

NO

30 MHz

1 W

.5 A

PLASTIC/EPOXY

WIRE

RECTANGULAR

1

3

IN-LINE

Other Transistors

50

200 Cel

SILICON

300 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

BCX38C

Diodes Incorporated

NPN

DARLINGTON

NO

1 W

.8 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

10000

200 Cel

SILICON

60 V

MATTE TIN

BOTTOM

O-PBCY-W3

1

Not Qualified

e3

30

260

MPSW51ARLRPG

Onsemi

PNP

SINGLE

NO

50 MHz

1 W

1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

40 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-226

e1

260

PXT4401,115

NXP Semiconductors

NPN

SINGLE

YES

250 MHz

1 W

.6 A

PLASTIC/EPOXY

SWITCHING

.75 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

80

150 Cel

8 pF

SILICON

40 V

35 ns

250 ns

TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e3

30

260

ZTX694B

Diodes Incorporated

NPN

SINGLE

NO

130 MHz

1 W

.5 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

150

200 Cel

SILICON

120 V

MATTE TIN

BOTTOM

O-PBCY-W3

Not Qualified

e3

30

260

PXT2907A,115

NXP Semiconductors

PNP

SINGLE

YES

200 MHz

1 W

.6 A

PLASTIC/EPOXY

SWITCHING

1.6 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

8 pF

SILICON

60 V

40 ns

365 ns

TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

TO-243

e3

30

260

PBSS4250X,115

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

1 W

2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

300

150 Cel

SILICON

50 V

TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

TO-243AA

e3

30

260

BCV28,115

NXP Semiconductors

PNP

DARLINGTON

YES

220 MHz

1 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

1 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

4000

150 Cel

SILICON

30 V

TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

TO-243AA

e3

30

260

BST62,115

NXP Semiconductors

PNP

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

YES

200 MHz

1 W

1 A

PLASTIC/EPOXY

SWITCHING

1.3 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

2000

150 Cel

SILICON

80 V

TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

TO-243AA

e3

30

260

2N2270

Texas Instruments

NPN

SINGLE

NO

100 MHz

1 W

1 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

200 Cel

SILICON

45 V

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-39

NOT SPECIFIED

NOT SPECIFIED

2SA1201-Y(TE12L,ZC

Toshiba

PNP

SINGLE

YES

120 MHz

1 W

.8 A

PLASTIC/EPOXY

AMPLIFIER

1 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

.5 W

120

150 Cel

30 pF

SILICON

120 V

SINGLE

R-PSSO-F3

COLLECTOR

NOT SPECIFIED

NOT SPECIFIED

2SB1695TL

ROHM

PNP

SINGLE

YES

280 MHz

1 W

1.5 A

PLASTIC/EPOXY

AMPLIFIER

.37 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

270

150 Cel

SILICON

30 V

TIN SILVER COPPER

DUAL

R-PDSO-G3

1

Not Qualified

e1

10

260

BSR33TA

Diodes Incorporated

PNP

SINGLE

YES

100 MHz

1 W

1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

SILICON

80 V

500 ns

650 ns

MATTE TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e3

30

260

BST51,115

NXP Semiconductors

NPN

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

YES

200 MHz

1 W

1 A

PLASTIC/EPOXY

SWITCHING

1.3 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

2000

150 Cel

SILICON

60 V

400 ns

1500 ns

TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

TO-243AA

e3

30

260

DSS3540MQ-7B

Diodes Incorporated

PNP

SINGLE

YES

100 MHz

1 W

.5 A

PLASTIC/EPOXY

.35 V

NO LEAD

RECTANGULAR

1

3

CHIP CARRIER

40

150 Cel

10 pF

SILICON

40 V

-55 Cel

NICKEL PALLADIUM GOLD

BOTTOM

R-PBCC-N3

COLLECTOR

e4

AEC-Q101; IATF 16949

MPS6726

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 LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

RXT-A14

ROHM

NPN

DARLINGTON

YES

1 W

.5 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20000

SILICON

40 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2N3245

Texas Instruments

PNP

SINGLE

NO

150 MHz

1 W

1 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

175 Cel

SILICON

50 V

55 ns

165 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-39

NOT SPECIFIED

NOT SPECIFIED

2N4929

Microchip Technology

PNP

SINGLE

NO

100 MHz

1 W

.5 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

175 Cel

SILICON

150 V

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

TO-39

e0

2SA1213-Y(TE12L,ZC

Toshiba

PNP

SINGLE

YES

120 MHz

1 W

2 A

PLASTIC/EPOXY

SWITCHING

.5 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

.5 W

120

150 Cel

SILICON

50 V

SINGLE

R-PSSO-F3

COLLECTOR

30

260

2SAR563F3TR

ROHM

PNP

SINGLE

YES

200 MHz

1 W

6 A

PLASTIC/EPOXY

AMPLIFIER

.4 V

NO LEAD

SQUARE

1

3

SMALL OUTLINE

180

150 Cel

70 pF

SILICON

50 V

DUAL

S-PDSO-N3

COLLECTOR

2SCR543RTL

ROHM

NPN

SINGLE

YES

300 MHz

1 W

3 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

180

150 Cel

SILICON

50 V

TIN SILVER COPPER

DUAL

R-PDSO-G3

1

Not Qualified

e1

10

260

JANTX2N3763

Microchip Technology

PNP

SINGLE

NO

150 MHz

1 W

1.5 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

200 Cel

SILICON

60 V

43 ns

-55 Cel

115 ns

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Qualified

TO-39

e0

MIL-19500/396J

KSC2328AYTA

Onsemi

NPN

SINGLE

NO

120 MHz

1 W

2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

160

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

e3

MPSW92

Onsemi

PNP

SINGLE

NO

50 MHz

1 W

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

300 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-226

e0

235

DNLS320E-13

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

1 W

3 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

150

150 Cel

SILICON

20 V

MATTE TIN

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

e3

30

260

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