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

KST2222TI

Samsung

NPN

SINGLE

YES

200 MHz

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

30 V

DUAL

R-PDSO-G3

Not Qualified

KST1623L5TF

Samsung

NPN

SINGLE

YES

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

135

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

KSA1201-Y

Samsung

PNP

SINGLE

YES

120 MHz

.8 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

120

SILICON

120 V

SINGLE

R-PSSO-F3

Not Qualified

HIGH VOLTAGE

KSR2012

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

100

SILICON

40 V

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR

TO-92

KSR1114TI

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

KSR2204

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

68

SILICON

50 V

SINGLE

R-PSIP-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

BC328-C

Samsung

PNP

SINGLE

NO

100 MHz

.8 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

250

SILICON

25 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSR1107TI

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 2.1363

KSR2107TR

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 2.1363

KSR1112TR

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

KSA1182TI

Samsung

PNP

SINGLE

YES

200 MHz

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

70

SILICON

30 V

DUAL

R-PDSO-G3

Not Qualified

KSC2715-O

Samsung

NPN

SINGLE

YES

100 MHz

.05 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

70

SILICON

30 V

DUAL

R-PDSO-G3

Not Qualified

KSC2715TI

Samsung

NPN

SINGLE

YES

100 MHz

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

3.2 pF

SILICON

30 V

DUAL

R-PDSO-G3

Not Qualified

KSR1106TF

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

KSR1214

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 10

KSR2112TF

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

KST812M4TF

Samsung

PNP

SINGLE

YES

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

90

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

KST92TI

Samsung

PNP

SINGLE

YES

50 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

300 V

DUAL

R-PDSO-G3

Not Qualified

HIGH VOLTAGE

KST64TF

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

KSC2859TF

Samsung

NPN

SINGLE

YES

200 MHz

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

70

SILICON

30 V

DUAL

R-PDSO-G3

Not Qualified

KSC2881-O

Samsung

NPN

SINGLE

YES

120 MHz

.8 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

80

SILICON

120 V

SINGLE

R-PSSO-F3

Not Qualified

HIGH VOLTAGE

BC860-A

Samsung

PNP

SINGLE

YES

150 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

110

SILICON

45 V

DUAL

R-PDSO-G3

Not Qualified

LOW NOISE

BCW71TI

Samsung

NPN

SINGLE

YES

300 MHz

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

110

SILICON

45 V

DUAL

R-PDSO-G3

Not Qualified

KSR2104

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

68

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

KST1009F4TR

Samsung

NPN

SINGLE

YES

150 MHz

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

90

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

KSC2787

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

KST5087TR

Samsung

PNP

SINGLE

YES

.05 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

250

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

LOW NOISE

KSR1105

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

30

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 2.127

KSC184-O

Samsung

NPN

SINGLE

NO

100 MHz

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

70

SILICON

25 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSA1174

Samsung

PNP

SINGLE

NO

100 MHz

.3 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

120 V

BOTTOM

O-PBCY-W3

Not Qualified

LOW NOISE

KST56TI

Samsung

PNP

SINGLE

YES

100 MHz

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

50

SILICON

80 V

DUAL

R-PDSO-G3

Not Qualified

KSD5041

Samsung

NPN

SINGLE

NO

150 MHz

.75 W

5 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

150

150 Cel

SILICON

20 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

KSR2113TR

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

KSC2383

Samsung

NPN

SINGLE

NO

100 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

KSR2011

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

100

SILICON

40 V

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR

TO-92

KSA812-Y

Samsung

PNP

SINGLE

YES

180 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

135

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

KSR1104

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

68

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

KST1009F3TI

Samsung

NPN

SINGLE

YES

150 MHz

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

60

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

KSR1103TI

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 1

KST812M5

Samsung

PNP

SINGLE

YES

.35 W

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

135

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

KST5088TI

Samsung

NPN

SINGLE

YES

.05 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

300

SILICON

30 V

DUAL

R-PDSO-G3

Not Qualified

LOW NOISE

KSA1174-E

Samsung

PNP

SINGLE

NO

100 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

KSD794-R

Samsung

NPN

SINGLE

NO

60 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

KSC2710-O

Samsung

NPN

SINGLE

NO

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

70

SILICON

20 V

SINGLE

R-PSIP-T3

Not Qualified

KSR1101TF

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

KSC2752-Y

Samsung

NPN

SINGLE

NO

.5 A

PLASTIC/EPOXY

SWITCHING

1 V

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

10 W

40

150 Cel

SILICON

400 V

1000 ns

3500 ns

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

KSA1174-P

Samsung

PNP

SINGLE

NO

100 MHz

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

200

SILICON

120 V

SINGLE

R-PSIP-T3

Not Qualified

KST06TR

Samsung

NPN

SINGLE

YES

100 MHz

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

50

SILICON

80 V

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