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

KSD1020-O

Samsung

NPN

SINGLE

NO

170 MHz

.7 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

70

SILICON

25 V

SINGLE

R-PSIP-T3

Not Qualified

SS9012-G

Samsung

PNP

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

BCX70JTR

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

KSB772-O

Samsung

PNP

SINGLE

NO

80 MHz

3 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

10 W

100

150 Cel

SILICON

30 V

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

BCX71JTF

Samsung

PNP

SINGLE

YES

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

250

SILICON

45 V

DUAL

R-PDSO-G3

Not Qualified

KSA733-O

Samsung

PNP

SINGLE

NO

180 MHz

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

70

SILICON

50 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

BCW60BTR

Samsung

NPN

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

BCW60ATR

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

BCX70KTF

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

MMBT4401-T1

Samsung

NPN

SINGLE

YES

250 MHz

.6 A

PLASTIC/EPOXY

SWITCHING

.75 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

6.5 pF

SILICON

40 V

35 ns

255 ns

DUAL

R-PDSO-G3

Not Qualified

BCX71GTF

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

KSD1221-G

Samsung

NPN

SINGLE

NO

3 MHz

3 A

PLASTIC/EPOXY

AMPLIFIER

1 V

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

20 W

150

150 Cel

SILICON

60 V

SINGLE

R-PSIP-T3

Not Qualified

KSB795-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

80 V

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

KST42TR

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

KSD882-O

Samsung

NPN

SINGLE

NO

90 MHz

3 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

10 W

100

150 Cel

SILICON

30 V

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

SS9013-H

Samsung

NPN

SINGLE

NO

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

144

SILICON

20 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSA708-O

Samsung

PNP

SINGLE

NO

50 MHz

.7 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

70

SILICON

60 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KST42

Samsung

NPN

SINGLE

YES

50 MHz

350 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

300 V

DUAL

R-PDSO-G3

Not Qualified

KSD1021

Samsung

NPN

SINGLE

NO

130 MHz

.35 W

1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

70

150 Cel

SILICON

30 V

BOTTOM

O-PBCY-W3

Not Qualified

BCW31TR

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

BCW60CTR

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

BCW60BTF

Samsung

NPN

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

SS9011-F

Samsung

NPN

SINGLE

NO

370 MHz

.03 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

54

SILICON

30 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSD1020

Samsung

NPN

SINGLE

NO

170 MHz

.35 W

.7 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-W3

Not Qualified

SS8550-B

Samsung

PNP

SINGLE

NO

200 MHz

1.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

85

SILICON

25 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSB772-G

Samsung

PNP

SINGLE

NO

80 MHz

3 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

10 W

200

150 Cel

SILICON

30 V

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

SS8050-B

Samsung

NPN

SINGLE

NO

190 MHz

1.5 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

85

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSD1021-Y

Samsung

NPN

SINGLE

NO

130 MHz

1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

120

SILICON

30 V

SINGLE

R-PSIP-T3

Not Qualified

BCX71KTR

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

SS9012-H

Samsung

PNP

SINGLE

NO

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

144

SILICON

20 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

BCW61CTF

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

KSD1021-O

Samsung

NPN

SINGLE

NO

130 MHz

1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

70

SILICON

30 V

SINGLE

R-PSIP-T3

Not Qualified

KST4125

Samsung

PNP

SINGLE

YES

200 MHz

.35 W

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

25

SILICON

30 V

DUAL

R-PDSO-G3

Not Qualified

KSD1221-Y

Samsung

NPN

SINGLE

NO

3 MHz

3 A

PLASTIC/EPOXY

AMPLIFIER

1 V

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

20 W

100

150 Cel

SILICON

60 V

SINGLE

R-PSIP-T3

Not Qualified

SS9011-I

Samsung

NPN

SINGLE

NO

370 MHz

.03 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

132

SILICON

30 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSP2907A

Samsung

PNP

SINGLE

NO

200 MHz

.625 W

.6 A

PLASTIC/EPOXY

1.6 V

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

8 pF

SILICON

60 V

45 ns

100 ns

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

KSD1621-R

Samsung

NPN

SINGLE

YES

150 MHz

2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

25 V

SINGLE

R-PSSO-F3

Not Qualified

HIGH CURRENT DRIVER

KST4125TR

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

KST4123TI

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

SS9013-E

Samsung

NPN

SINGLE

NO

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

78

SILICON

20 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

SS9015-C

Samsung

PNP

SINGLE

NO

190 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

SILICON

45 V

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

KSA709-R

Samsung

PNP

SINGLE

NO

50 MHz

.7 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

40

SILICON

150 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

BC550-A

Samsung

NPN

SINGLE

NO

300 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

110

SILICON

45 V

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

BCW61DTR

Samsung

PNP

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

BCW60DTF

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

BCX70KTR

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

BC556-C

Samsung

PNP

SINGLE

NO

150 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

420

SILICON

65 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSD1221

Samsung

NPN

SINGLE

NO

3 MHz

20 W

3 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

60

150 Cel

SILICON

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