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

Samsung

PNP

SINGLE

NO

.3 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

20 V

BOTTOM

O-PBCY-W3

Not Qualified

KST2907A

Samsung

PNP

SINGLE

YES

200 MHz

.35 W

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

SILICON

60 V

50 ns

110 ns

DUAL

R-PDSO-G3

Not Qualified

KKSP76

Samsung

PNP

SINGLE

NO

.5 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

10000

SILICON

50 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

KSC2500-D

Samsung

NPN

SINGLE

NO

150 MHz

2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

420

SILICON

10 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSA1244-Y

Samsung

PNP

SINGLE

NO

60 MHz

5 A

PLASTIC/EPOXY

SWITCHING

.5 V

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

20 W

120

150 Cel

SILICON

50 V

SINGLE

R-PSIP-T3

Not Qualified

KSR1109TR

Samsung

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

250 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

KSD261-G

Samsung

NPN

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

KSA811

Samsung

PNP

SINGLE

NO

110 MHz

1 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

70

SILICON

25 V

BOTTOM

O-PBCY-W3

Not Qualified

KSC2669-Y

Samsung

NPN

SINGLE

NO

250 MHz

.03 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

120

SILICON

30 V

SINGLE

R-PSIP-T3

Not Qualified

KSA539-Y

Samsung

PNP

SINGLE

NO

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

SILICON

45 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KST64TR

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

KSA1298-O

Samsung

PNP

SINGLE

YES

120 MHz

.8 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

KSD5041-G

Samsung

NPN

SINGLE

NO

150 MHz

5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

340

SILICON

20 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSC5019-P

Samsung

NPN

SINGLE

NO

150 MHz

2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

420

SILICON

10 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSA1150-R

Samsung

PNP

SINGLE

NO

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

40

SILICON

20 V

SINGLE

R-PSIP-T3

Not Qualified

KSR1104TR

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 1

KSA640

Samsung

PNP

SINGLE

NO

100 MHz

.25 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

250

150 Cel

SILICON

40 V

TIN LEAD

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

e0

KSC2500-A

Samsung

NPN

SINGLE

NO

150 MHz

2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

140

SILICON

10 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSC2784-P

Samsung

NPN

SINGLE

NO

110 MHz

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

200

SILICON

120 V

SINGLE

R-PSIP-T3

Not Qualified

LOW NOISE

KSB906-Y

Samsung

PNP

SINGLE

NO

9 MHz

3 A

PLASTIC/EPOXY

AMPLIFIER

1.7 V

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

20 W

100

150 Cel

SILICON

60 V

SINGLE

R-PSIP-T3

Not Qualified

KSR1111TR

Samsung

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

250 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

KSR2113TF

Samsung

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

200 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

KST1009F4

Samsung

NPN

SINGLE

YES

150 MHz

.35 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

90

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

KSC1675

Samsung

NPN

SINGLE

NO

300 MHz

.25 W

.05 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

30 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

KSR1007

Samsung

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

250 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

BC307-C

Samsung

PNP

SINGLE

NO

130 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

380

SILICON

45 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KST1009F2TF

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

S1P2655A02-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

KSC1506

Samsung

NPN

SINGLE

NO

80 MHz

.7 W

.1 A

PLASTIC/EPOXY

2 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

300 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

HIGH VOLTAGE

TO-92

e0

KST3906TR

Samsung

PNP

SINGLE

YES

300 MHz

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

KSB1116-G

Samsung

PNP

SINGLE

NO

120 MHz

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

SILICON

50 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KST2484TF

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

S1P2655A01-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

KSD986-O

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

4000

150 Cel

SILICON

80 V

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

KSA812-G

Samsung

PNP

SINGLE

YES

180 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

200

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

KSA539

Samsung

PNP

SINGLE

NO

.4 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

45 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

KSR1202

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

30

SILICON

50 V

SINGLE

R-PSIP-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

KSP64

Samsung

PNP

DARLINGTON

NO

125 MHz

.5 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20000

SILICON

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

KSC1222-G

Samsung

NPN

SINGLE

NO

100 MHz

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

SILICON

45 V

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

KSC2752-R

Samsung

NPN

SINGLE

NO

.5 A

PLASTIC/EPOXY

SWITCHING

1 V

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

10 W

20

150 Cel

SILICON

400 V

1000 ns

3500 ns

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

KSA1298TR

Samsung

PNP

SINGLE

YES

120 MHz

.8 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

KSC2328A-O

Samsung

NPN

SINGLE

NO

120 MHz

2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

100

SILICON

30 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSC2787-O

Samsung

NPN

SINGLE

NO

300 MHz

.05 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

70

SILICON

30 V

SINGLE

R-PSIP-T3

Not Qualified

KST2222

Samsung

NPN

SINGLE

YES

250 MHz

.35 W

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

75

SILICON

30 V

35 ns

285 ns

DUAL

R-PDSO-G3

Not Qualified

KSE3055T

Samsung

NPN

SINGLE

NO

2 MHz

75 W

10 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

Other Transistors

5

150 Cel

SILICON

60 V

SINGLE

R-PSFM-T3

Not Qualified

TO-220AB

KSC1008-R

Samsung

NPN

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

KSC3074-O

Samsung

NPN

SINGLE

NO

120 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

KST2222A

Samsung

NPN

SINGLE

YES

300 MHz

.35 W

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

SILICON

40 V

35 ns

285 ns

DUAL

R-PDSO-G3

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