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

KSA1150-G

Samsung

PNP

SINGLE

NO

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

200

SILICON

20 V

SINGLE

R-PSIP-T3

Not Qualified

KSR2102TR

Samsung

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

200 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

DIGITAL, BUILT-IN BIAS RESISTOR RATIO IS 1

KST812M7

Samsung

PNP

SINGLE

YES

.35 W

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

300

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

KSC1815-Y

Samsung

NPN

SINGLE

NO

80 MHz

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

SILICON

50 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSR2101TI

Samsung

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

200 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

20

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

DIGITAL, BUILT-IN BIAS RESISTOR RATIO IS 1

KST540TR

Samsung

PNP

SINGLE

YES

100 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

60

SILICON

150 V

DUAL

R-PDSO-G3

Not Qualified

KSR1209

Samsung

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

250 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

BIP General Purpose Small Signal

100

SILICON

40 V

SINGLE

R-PSIP-T3

Not Qualified

BUILT-IN BIAS RESISTOR

KSC1008-G

Samsung

NPN

SINGLE

NO

50 MHz

.7 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

SILICON

60 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSC815-R

Samsung

NPN

SINGLE

NO

200 MHz

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

40

SILICON

45 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSA1370-F

Samsung

PNP

SINGLE

NO

150 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

160

SILICON

200 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSR1111

Samsung

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

100

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR

KSR1106TR

Samsung

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

68

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

DIGITAL, BUILT-IN BIAS RESISTOR RATIO IS 4.7

KST1009F2TI

Samsung

NPN

SINGLE

YES

150 MHz

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

KSR1213

Samsung

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

250 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

BIP General Purpose Small Signal

68

SILICON

50 V

SINGLE

R-PSIP-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 21.3636

KSA1241-Y

Samsung

PNP

SINGLE

NO

100 MHz

2 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

10 W

120

150 Cel

SILICON

50 V

SINGLE

R-PSIP-T3

Not Qualified

KSA1156-Y

Samsung

PNP

SINGLE

NO

.5 A

PLASTIC/EPOXY

SWITCHING

1 V

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

10 W

100

150 Cel

SILICON

400 V

1000 ns

5000 ns

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

KSC2784-U

Samsung

NPN

SINGLE

NO

110 MHz

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

600

SILICON

120 V

SINGLE

R-PSIP-T3

Not Qualified

LOW NOISE

KSC1675-Y

Samsung

NPN

SINGLE

NO

300 MHz

.05 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

SILICON

30 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSC3076

Samsung

NPN

SINGLE

NO

10 W

2 A

PLASTIC/EPOXY

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

70

150 Cel

SILICON

SINGLE

R-PSIP-T3

Not Qualified

KSR1105TF

Samsung

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

DIGITAL, BUILT-IN BIAS RESISTOR RATIO IS 2.127

KSC945

Samsung

NPN

SINGLE

NO

300 MHz

.25 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

50 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

S1P2655A02-D0B0

Samsung

NPN

COMPLEX

NO

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

7

16

IN-LINE

1000

SILICON

50 V

250 ns

250 ns

DUAL

R-PDIP-T16

Not Qualified

KSC1815-L

Samsung

NPN

SINGLE

NO

80 MHz

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

350

SILICON

50 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSC5054-R

Samsung

NPN

SINGLE

NO

10 W

.5 A

PLASTIC/EPOXY

SWITCHING

1 V

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

10 W

20

150 Cel

SILICON

400 V

1000 ns

3500 ns

Tin/Lead (Sn/Pb)

SINGLE

R-PSIP-T3

Not Qualified

e0

KSC2785

Samsung

NPN

SINGLE

NO

300 MHz

.25 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

70

150 Cel

SILICON

50 V

BOTTOM

O-PBCY-W3

Not Qualified

KST1623L4TI

Samsung

NPN

SINGLE

YES

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

90

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

KSR2014

Samsung

PNP

SINGLE WITH BUILT-IN RESISTOR

NO

200 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

68

SILICON

50 V

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 10

TO-92

KSR1101TI

Samsung

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

20

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

DIGITAL, BUILT-IN BIAS RESISTOR RATIO IS 1

KSC1008-O

Samsung

NPN

SINGLE

NO

50 MHz

.7 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

70

SILICON

60 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KST2484TR

Samsung

NPN

SINGLE

YES

.05 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

250

SILICON

60 V

DUAL

R-PDSO-G3

Not Qualified

LOW NOISE

KSD985-Y

Samsung

NPN

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

NO

1.5 A

PLASTIC/EPOXY

AMPLIFIER

1.5 V

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

10 W

8000

150 Cel

SILICON

60 V

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

KSC2710-R

Samsung

NPN

SINGLE

NO

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

40

SILICON

20 V

SINGLE

R-PSIP-T3

Not Qualified

KSA1243-I

Samsung

PNP

SINGLE

NO

100 MHz

3 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

25

SILICON

30 V

SINGLE

R-PSIP-T3

Not Qualified

KSR1113

Samsung

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

68

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 21.3636

KSC2982-D

Samsung

NPN

SINGLE

YES

150 MHz

2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

420

SILICON

10 V

SINGLE

R-PSSO-F3

Not Qualified

KST12TR

Samsung

NPN

SINGLE

YES

.3 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

10000

SILICON

30 V

DUAL

R-PDSO-G3

Not Qualified

KST05TI

Samsung

NPN

SINGLE

YES

100 MHz

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

50

SILICON

60 V

DUAL

R-PDSO-G3

Not Qualified

KSR2205

Samsung

PNP

SINGLE WITH BUILT-IN RESISTOR

NO

200 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

BIP General Purpose Small Signal

30

SILICON

50 V

SINGLE

R-PSIP-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 2.127

KSC838-O

Samsung

NPN

SINGLE

NO

250 MHz

.03 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

70

SILICON

30 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSC2715-Y

Samsung

NPN

SINGLE

YES

100 MHz

.05 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

120

SILICON

30 V

DUAL

R-PDSO-G3

Not Qualified

KSA1013

Samsung

PNP

SINGLE

NO

50 MHz

.9 W

1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

150 Cel

SILICON

160 V

BOTTOM

O-PBCY-W3

Not Qualified

KSA954-O

Samsung

PNP

SINGLE

NO

100 MHz

.3 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

90

SILICON

80 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KST2907ATF

Samsung

PNP

SINGLE

YES

200 MHz

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

60 V

DUAL

R-PDSO-G3

Not Qualified

KSA643-G

Samsung

PNP

SINGLE

NO

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

SILICON

20 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSR2007

Samsung

PNP

SINGLE WITH BUILT-IN RESISTOR

NO

200 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

68

SILICON

50 V

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 2.1363

TO-92

KSR2102TF

Samsung

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

200 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

DIGITAL, BUILT-IN BIAS RESISTOR RATIO IS 1

KSA1243

Samsung

PNP

SINGLE

NO

10 W

3 A

PLASTIC/EPOXY

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

70

SILICON

SINGLE

R-PSIP-T3

Not Qualified

KST6428TF

Samsung

NPN

SINGLE

YES

.2 A

PLASTIC/EPOXY

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

250

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

LOW NOISE

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