Samsung Small Signal Bipolar Junction Transistors (BJT) 949

Reset All
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

KSC945-O

Samsung

NPN

SINGLE

NO

300 MHz

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

70

SILICON

50 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSC2316

Samsung

NPN

SINGLE

NO

120 MHz

.9 W

.8 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

80

150 Cel

SILICON

120 V

BOTTOM

O-PBCY-W3

Not Qualified

KST2907ATI

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

BC327-C

Samsung

PNP

SINGLE

NO

100 MHz

.8 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

250

SILICON

45 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSA539-R

Samsung

PNP

SINGLE

NO

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

40

SILICON

45 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSC2883-O

Samsung

NPN

SINGLE

YES

120 MHz

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

30 V

SINGLE

R-PSSO-F3

Not Qualified

KSA928A-Y

Samsung

PNP

SINGLE

NO

120 MHz

2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

160

SILICON

30 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSC839-O

Samsung

NPN

SINGLE

NO

200 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

70

SILICON

30 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSA1244-O

Samsung

PNP

SINGLE

NO

60 MHz

5 A

PLASTIC/EPOXY

SWITCHING

.5 V

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

20 W

70

150 Cel

SILICON

50 V

SINGLE

R-PSIP-T3

Not Qualified

KSD227

Samsung

NPN

SINGLE

NO

.4 W

.3 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

70

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

KSC184-Y

Samsung

NPN

SINGLE

NO

100 MHz

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

SILICON

25 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KST1009F5TF

Samsung

NPN

SINGLE

YES

150 MHz

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

135

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

KST5551-TF

Samsung

NPN

SINGLE

YES

100 MHz

.6 A

PLASTIC/EPOXY

AMPLIFIER

.2 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

6 pF

SILICON

160 V

DUAL

R-PDSO-G3

Not Qualified

KSA643-R

Samsung

PNP

SINGLE

NO

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

40

SILICON

20 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KST63TI

Samsung

PNP

DARLINGTON

YES

.3 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

10000

SILICON

30 V

DUAL

R-PDSO-G3

Not Qualified

KSR1114TR

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 10

KSR1108TI

Samsung

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

56

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

DIGITAL, BUILT-IN BIAS RESISTOR RATIO IS 0.468

KSR2112

Samsung

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

200 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

KSR2110

Samsung

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

200 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

KSC1009

Samsung

NPN

SINGLE

NO

50 MHz

.8 W

.7 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

140 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

KSB810-G

Samsung

PNP

SINGLE

NO

160 MHz

.7 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

200

SILICON

25 V

SINGLE

R-PSIP-T3

Not Qualified

KSR1210

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

KSC900-V

Samsung

NPN

SINGLE

NO

100 MHz

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

600

SILICON

25 V

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

KSA910-Y

Samsung

PNP

SINGLE

NO

100 MHz

.05 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

SILICON

150 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSC2784-E

Samsung

NPN

SINGLE

NO

110 MHz

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

400

SILICON

120 V

SINGLE

R-PSIP-T3

Not Qualified

LOW NOISE

KSR1113TF

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 21.3636

KSA1625-K

Samsung

PNP

SINGLE

NO

10 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

100

SILICON

400 V

1000 ns

6000 ns

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSA1242-O

Samsung

PNP

SINGLE

NO

180 MHz

5 A

PLASTIC/EPOXY

AMPLIFIER

1 V

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

10 W

100

150 Cel

SILICON

20 V

SINGLE

R-PSIP-T3

Not Qualified

KSC2787-Y

Samsung

NPN

SINGLE

NO

300 MHz

.05 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

120

SILICON

30 V

SINGLE

R-PSIP-T3

Not Qualified

KST70TI

Samsung

PNP

SINGLE

YES

125 MHz

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

KSR2201

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

20

SILICON

50 V

SINGLE

R-PSIP-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

S1P2655A03-S0B0

Samsung

NPN

COMPLEX

YES

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

7

16

SMALL OUTLINE

1000

SILICON

50 V

250 ns

250 ns

DUAL

R-PDSO-G16

Not Qualified

KSD471A-O

Samsung

NPN

SINGLE

NO

130 MHz

1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

70

SILICON

30 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSC900-L

Samsung

NPN

SINGLE

NO

100 MHz

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

350

SILICON

25 V

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

KSR2112TI

Samsung

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

200 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

DIGITAL, BUILT-IN BIAS RESISTOR

KSA954-G

Samsung

PNP

SINGLE

NO

100 MHz

.3 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

SILICON

80 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSR1211

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

KSB1116-Y

Samsung

PNP

SINGLE

NO

120 MHz

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

135

SILICON

50 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSC1623-L

Samsung

NPN

SINGLE

YES

250 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

300

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

KSC1815

Samsung

NPN

SINGLE

NO

80 MHz

.4 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

125 Cel

SILICON

50 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

KSC2785-Y

Samsung

NPN

SINGLE

NO

300 MHz

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

120

SILICON

50 V

SINGLE

R-PSIP-T3

Not Qualified

KSR2108TF

Samsung

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

200 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

56

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

DIGITAL, BUILT-IN BIAS RESISTOR RATIO IS 0.468

KSC2002

Samsung

NPN

SINGLE

NO

100 MHz

.6 W

.3 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

90

150 Cel

SILICON

60 V

TIN LEAD

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

e0

KSC184-V

Samsung

NPN

SINGLE

NO

100 MHz

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

600

SILICON

25 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSC184-G

Samsung

NPN

SINGLE

NO

100 MHz

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

SILICON

25 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSC1222-L

Samsung

NPN

SINGLE

NO

100 MHz

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

350

SILICON

45 V

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

KST5401TI

Samsung

PNP

SINGLE

YES

100 MHz

.5 A

PLASTIC/EPOXY

.5 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

60

SILICON

150 V

DUAL

R-PDSO-G3

Not Qualified

HIGH VOLTAGE

KSC3073-I

Samsung

NPN

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

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