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

KSD1616A-L

Samsung

NPN

SINGLE

NO

160 MHz

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

300

SILICON

60 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

SS8550-D

Samsung

PNP

SINGLE

NO

200 MHz

1.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

160

SILICON

25 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

SS8050-D

Samsung

NPN

SINGLE

NO

190 MHz

1.5 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

160

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

SS8050-C

Samsung

NPN

SINGLE

NO

190 MHz

1.5 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

MMBT2484-T1

Samsung

NPN

SINGLE

YES

.05 A

PLASTIC/EPOXY

.35 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

250

6 pF

SILICON

60 V

DUAL

R-PDSO-G3

Not Qualified

LOW NOISE

SS9014-D

Samsung

NPN

SINGLE

NO

270 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

400

SILICON

45 V

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

BCW61ATR

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

KSP2907

Samsung

PNP

SINGLE

NO

250 MHz

.6 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

75

SILICON

40 V

45 ns

100 ns

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

BCW60DTR

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

SS9011

Samsung

NPN

SINGLE

NO

370 MHz

.4 W

.03 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

28

150 Cel

SILICON

30 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

BCX70GTR

Samsung

NPN

SINGLE

YES

125 MHz

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

120

SILICON

45 V

DUAL

R-PDSO-G3

Not Qualified

KSD1621-S

Samsung

NPN

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

HIGH CURRENT DRIVER

KST4123

Samsung

NPN

SINGLE

YES

250 MHz

.35 W

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

25

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

KST4401TR

Samsung

NPN

SINGLE

YES

250 MHz

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

BCX71GTI

Samsung

PNP

SINGLE

YES

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

120

SILICON

45 V

DUAL

R-PDSO-G3

Not Qualified

BCX70KTI

Samsung

NPN

SINGLE

YES

125 MHz

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

380

SILICON

45 V

DUAL

R-PDSO-G3

Not Qualified

KSA709-G

Samsung

PNP

SINGLE

NO

50 MHz

.7 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

SILICON

150 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

BCX71KTI

Samsung

PNP

SINGLE

YES

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

380

SILICON

45 V

DUAL

R-PDSO-G3

Not Qualified

SS9013-F

Samsung

NPN

SINGLE

NO

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

96

SILICON

20 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

BCW61CTI

Samsung

PNP

SINGLE

YES

125 MHz

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

250

SILICON

32 V

DUAL

R-PDSO-G3

Not Qualified

BCW61BTR

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-G

Samsung

NPN

SINGLE

NO

160 MHz

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

SILICON

50 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSB794-O

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

4000

150 Cel

SILICON

60 V

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

SS9015

Samsung

PNP

SINGLE

NO

190 MHz

.45 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

150 Cel

SILICON

45 V

BOTTOM

O-PBCY-W3

Not Qualified

LOW NOISE

TO-92

KST4123TR

Samsung

NPN

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

BCX70GTF

Samsung

NPN

SINGLE

YES

125 MHz

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

120

SILICON

45 V

DUAL

R-PDSO-G3

Not Qualified

BCW60ATI

Samsung

NPN

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

KSB744-O

Samsung

PNP

SINGLE

NO

45 MHz

3 A

PLASTIC/EPOXY

AMPLIFIER

2 V

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

10 W

100

150 Cel

SILICON

45 V

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

KSP4250A

Samsung

PNP

SINGLE

NO

PLASTIC/EPOXY

.25 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

250

SILICON

60 V

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e0

KST43TF

Samsung

NPN

SINGLE

YES

50 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

200 V

DUAL

R-PDSO-G3

Not Qualified

HIGH VOLTAGE

BCX70JTF

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

KSP8097

Samsung

NPN

SINGLE

NO

.2 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

250

SILICON

40 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

BCW31TF

Samsung

NPN

SINGLE

YES

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

110

SILICON

20 V

DUAL

R-PDSO-G3

Not Qualified

BCX70HTF

Samsung

NPN

SINGLE

YES

125 MHz

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

180

SILICON

45 V

DUAL

R-PDSO-G3

Not Qualified

KSA709-Y

Samsung

PNP

SINGLE

NO

50 MHz

.7 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

SILICON

150 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSD882

Samsung

NPN

SINGLE

NO

90 MHz

10 W

3 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

Other Transistors

60

150 Cel

SILICON

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

KSP27

Samsung

NPN

DARLINGTON

NO

.5 A

PLASTIC/EPOXY

1.5 V

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

10000

150 Cel

SILICON

60 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

BCW60CTF

Samsung

NPN

SINGLE

YES

125 MHz

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

250

SILICON

32 V

DUAL

R-PDSO-G3

Not Qualified

BCW31TI

Samsung

NPN

SINGLE

YES

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

110

SILICON

20 V

DUAL

R-PDSO-G3

Not Qualified

KSD1616A

Samsung

NPN

SINGLE

NO

160 MHz

.75 W

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

81

150 Cel

SILICON

60 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

SS9012-F

Samsung

PNP

SINGLE

NO

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

96

SILICON

20 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KST42TI

Samsung

NPN

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

KST4125TF

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

KST4401TF

Samsung

NPN

SINGLE

YES

250 MHz

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

BC849-A

Samsung

NPN

SINGLE

YES

300 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

110

SILICON

30 V

DUAL

R-PDSO-G3

Not Qualified

LOW NOISE

SS9011-H

Samsung

NPN

SINGLE

NO

370 MHz

.03 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

97

SILICON

30 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSB794-R

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

2000

150 Cel

SILICON

60 V

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

KST4126

Samsung

PNP

SINGLE

YES

250 MHz

.35 W

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

60

SILICON

25 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