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

KSR1011

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

100

SILICON

40 V

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR

TO-92

KSC5054

Samsung

NPN

SINGLE

NO

10 W

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

20

150 Cel

SILICON

SINGLE

R-PSIP-T3

Not Qualified

KST5401TF

Samsung

PNP

SINGLE

YES

100 MHz

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

50

SILICON

150 V

DUAL

R-PDSO-G3

Not Qualified

HIGH VOLTAGE

KSR1206

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 4.7

KSC1623-Y

Samsung

NPN

SINGLE

YES

250 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

135

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

KSC3073-Y

Samsung

NPN

SINGLE

NO

100 MHz

3 A

PLASTIC/EPOXY

AMPLIFIER

.8 V

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

15 W

120

150 Cel

SILICON

30 V

SINGLE

R-PSIP-T3

Not Qualified

KSP56

Samsung

PNP

SINGLE

NO

50 MHz

.625 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

.25 V

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

80 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

KSB1121-S

Samsung

PNP

SINGLE

YES

150 MHz

2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

140

SILICON

25 V

SINGLE

R-PSSO-F3

Not Qualified

KSC815-G

Samsung

NPN

SINGLE

NO

200 MHz

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

SILICON

45 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

2N6428

Samsung

NPN

SINGLE

NO

100 MHz

.625 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

250

150 Cel

SILICON

50 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

KSC3076-Y

Samsung

NPN

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

KST2907TR

Samsung

PNP

SINGLE

YES

200 MHz

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

KST1623L7TF

Samsung

NPN

SINGLE

YES

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

300

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

KSR2111TI

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

KSB906-O

Samsung

PNP

SINGLE

NO

9 MHz

3 A

PLASTIC/EPOXY

AMPLIFIER

1.7 V

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

20 W

60

150 Cel

SILICON

60 V

SINGLE

R-PSIP-T3

Not Qualified

KSR1212

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

KSC3265-Y

Samsung

NPN

SINGLE

YES

120 MHz

.8 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

160

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

KSD227-Y

Samsung

NPN

SINGLE

NO

.3 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

SILICON

25 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

S1P2655A04-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

BC239-A

Samsung

NPN

SINGLE

NO

250 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

SILICON

25 V

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

KSC2784-F

Samsung

NPN

SINGLE

NO

110 MHz

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

300

SILICON

120 V

SINGLE

R-PSIP-T3

Not Qualified

LOW NOISE

KSC900-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

LOW NOISE

TO-92

KST63TR

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

KSP12

Samsung

NPN

DARLINGTON

NO

.5 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20000

SILICON

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

2N6518

Samsung

PNP

SINGLE

NO

40 MHz

.625 W

.5 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

250 V

200 ns

3.5 ns

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

BCW60DTI

Samsung

NPN

SINGLE

YES

125 MHz

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

380

SILICON

32 V

DUAL

R-PDSO-G3

Not Qualified

KSD1621-U

Samsung

NPN

SINGLE

YES

150 MHz

2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

280

SILICON

25 V

SINGLE

R-PSSO-F3

Not Qualified

HIGH CURRENT DRIVER

KST4126TF

Samsung

PNP

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

BCX70JTI

Samsung

NPN

SINGLE

YES

125 MHz

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

250

SILICON

45 V

DUAL

R-PDSO-G3

Not Qualified

KSP26

Samsung

NPN

DARLINGTON

NO

.5 A

PLASTIC/EPOXY

1.5 V

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

10000

150 Cel

SILICON

50 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

KSA733-G

Samsung

PNP

SINGLE

NO

180 MHz

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

SILICON

50 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSD1020-G

Samsung

NPN

SINGLE

NO

170 MHz

.7 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

200

SILICON

25 V

SINGLE

R-PSIP-T3

Not Qualified

MMBT5401-T1

Samsung

PNP

SINGLE

YES

100 MHz

.5 A

PLASTIC/EPOXY

.5 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

50

6 pF

SILICON

150 V

DUAL

R-PDSO-G3

Not Qualified

SS8550

Samsung

PNP

SINGLE

NO

200 MHz

1 W

1.5 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

MMBT5551-T1

Samsung

NPN

SINGLE

YES

100 MHz

.6 A

PLASTIC/EPOXY

AMPLIFIER

.2 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

150 Cel

6 pF

SILICON

160 V

DUAL

R-PDSO-G3

Not Qualified

BC850-A

Samsung

NPN

SINGLE

YES

300 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

BCX71HTI

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

BCX71HTR

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

BCW61ATF

Samsung

PNP

SINGLE

YES

125 MHz

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

120

SILICON

32 V

DUAL

R-PDSO-G3

Not Qualified

KST4124TI

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

BCW61BTI

Samsung

PNP

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

BCW61BTF

Samsung

PNP

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

KSD1616-Y

Samsung

NPN

SINGLE

NO

160 MHz

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

135

SILICON

50 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

MMBT4403-T1

Samsung

PNP

SINGLE

YES

200 MHz

.6 A

PLASTIC/EPOXY

SWITCHING

.75 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

20

8.5 pF

SILICON

40 V

35 ns

255 ns

DUAL

R-PDSO-G3

Not Qualified

SS9013-G

Samsung

NPN

SINGLE

NO

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

112

SILICON

20 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KST4125TI

Samsung

PNP

SINGLE

YES

250 MHz

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

50

SILICON

30 V

DUAL

R-PDSO-G3

Not Qualified

KSB795-Y

Samsung

PNP

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

80 V

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

SS9011-E

Samsung

NPN

SINGLE

NO

370 MHz

.03 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

39

SILICON

30 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

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