Samsung Small Signal Bipolar Junction Transistors (BJT) 949

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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

KST43

Samsung

NPN

SINGLE

YES

50 MHz

.35 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

200 V

DUAL

R-PDSO-G3

Not Qualified

SS9012-D

Samsung

PNP

SINGLE

NO

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

64

SILICON

20 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

BC856-C

Samsung

PNP

SINGLE

YES

150 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

SILICON

65 V

DUAL

R-PDSO-G3

Not Qualified

BCX70HTI

Samsung

NPN

SINGLE

YES

125 MHz

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

180

SILICON

45 V

DUAL

R-PDSO-G3

Not Qualified

SS9014-A

Samsung

NPN

SINGLE

NO

270 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

60

SILICON

45 V

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

KSP43

Samsung

NPN

SINGLE

NO

50 MHz

.625 W

.5 A

PLASTIC/EPOXY

.5 V

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

4 pF

SILICON

200 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

SS8550-C

Samsung

PNP

SINGLE

NO

200 MHz

1.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

SILICON

25 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSB772-R

Samsung

PNP

SINGLE

NO

80 MHz

3 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

10 W

60

150 Cel

SILICON

30 V

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

KSA709

Samsung

PNP

SINGLE

NO

50 MHz

.8 W

.7 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

150 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

BCX71GTR

Samsung

PNP

SINGLE

YES

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

120

SILICON

45 V

DUAL

R-PDSO-G3

Not Qualified

BCX70GTI

Samsung

NPN

SINGLE

YES

125 MHz

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

120

SILICON

45 V

DUAL

R-PDSO-G3

Not Qualified

KSP8599

Samsung

PNP

SINGLE

NO

150 MHz

.5 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

75

SILICON

80 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

BCW61CTR

Samsung

PNP

SINGLE

YES

125 MHz

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

250

SILICON

32 V

DUAL

R-PDSO-G3

Not Qualified

KST4401TI

Samsung

NPN

SINGLE

YES

250 MHz

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

KST4403TI

Samsung

PNP

SINGLE

YES

250 MHz

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

KSA708-R

Samsung

PNP

SINGLE

NO

50 MHz

.7 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

40

SILICON

60 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

MMBT2907A-T1

Samsung

PNP

SINGLE

YES

200 MHz

.6 A

PLASTIC/EPOXY

1.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

50

8 pF

SILICON

60 V

50 ns

110 ns

DUAL

R-PDSO-G3

Not Qualified

KSD1616A-G

Samsung

NPN

SINGLE

NO

160 MHz

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

SILICON

60 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

BCW60BTI

Samsung

NPN

SINGLE

YES

125 MHz

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

180

SILICON

32 V

DUAL

R-PDSO-G3

Not Qualified

BCW60CTI

Samsung

NPN

SINGLE

YES

125 MHz

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

250

SILICON

32 V

DUAL

R-PDSO-G3

Not Qualified

KST4124TR

Samsung

NPN

SINGLE

YES

300 MHz

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

120

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

KSA707

Samsung

PNP

SINGLE

NO

.8 W

.7 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

45 V

TIN LEAD

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

e0

KSA708-Y

Samsung

PNP

SINGLE

NO

50 MHz

.7 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

SILICON

60 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSP25

Samsung

NPN

DARLINGTON

NO

.5 A

PLASTIC/EPOXY

1.5 V

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

10000

150 Cel

SILICON

40 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

KSA709-O

Samsung

PNP

SINGLE

NO

50 MHz

.7 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

70

SILICON

150 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSD1616

Samsung

NPN

SINGLE

NO

160 MHz

.75 W

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

81

150 Cel

SILICON

50 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

KSD1616-L

Samsung

NPN

SINGLE

NO

160 MHz

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

300

SILICON

50 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSP2222A

Samsung

NPN

SINGLE

NO

300 MHz

.6 A

PLASTIC/EPOXY

1 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

8 pF

SILICON

40 V

35 ns

285 ns

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSB795

Samsung

PNP

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

NO

10 W

1.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

Other Transistors

2000

150 Cel

SILICON

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

BCX71JTI

Samsung

PNP

SINGLE

YES

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

250

SILICON

45 V

DUAL

R-PDSO-G3

Not Qualified

BCX71HTF

Samsung

PNP

SINGLE

YES

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

180

SILICON

45 V

DUAL

R-PDSO-G3

Not Qualified

SS9011-G

Samsung

NPN

SINGLE

NO

370 MHz

.03 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

72

SILICON

30 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSB744-Y

Samsung

PNP

SINGLE

NO

45 MHz

3 A

PLASTIC/EPOXY

AMPLIFIER

2 V

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

10 W

160

150 Cel

SILICON

45 V

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

BC859-A

Samsung

PNP

SINGLE

YES

150 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

110

SILICON

30 V

DUAL

R-PDSO-G3

Not Qualified

LOW NOISE

KSA733-L

Samsung

PNP

SINGLE

NO

180 MHz

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

350

SILICON

50 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSD882-G

Samsung

NPN

SINGLE

NO

90 MHz

3 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

10 W

200

150 Cel

SILICON

30 V

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

KSB744-R

Samsung

PNP

SINGLE

NO

45 MHz

3 A

PLASTIC/EPOXY

AMPLIFIER

2 V

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

10 W

60

150 Cel

SILICON

45 V

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

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