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

KSB794

Samsung

PNP

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

NO

10 W

1.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

Other Transistors

2000

150 Cel

SILICON

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

KSD1020-Y

Samsung

NPN

SINGLE

NO

170 MHz

.7 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

120

SILICON

25 V

SINGLE

R-PSIP-T3

Not Qualified

MMBT3904-T1

Samsung

NPN

SINGLE

YES

300 MHz

.2 A

PLASTIC/EPOXY

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

4 pF

SILICON

40 V

70 ns

250 ns

DUAL

R-PDSO-G3

Not Qualified

BCW61ATI

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

BCX70HTR

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

MMBT3906-T1

Samsung

PNP

SINGLE

YES

250 MHz

.2 A

PLASTIC/EPOXY

.4 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

4.5 pF

SILICON

40 V

70 ns

300 ns

DUAL

R-PDSO-G3

Not Qualified

KST4124

Samsung

NPN

SINGLE

YES

300 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

BCW61DTF

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

KSD1221-O

Samsung

NPN

SINGLE

NO

3 MHz

3 A

PLASTIC/EPOXY

AMPLIFIER

1 V

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

20 W

60

150 Cel

SILICON

60 V

SINGLE

R-PSIP-T3

Not Qualified

KSD1222

Samsung

NPN

DARLINGTON WITH BUILT-IN DIODE

NO

15 W

3 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

2000

150 Cel

SILICON

SINGLE

R-PSIP-T3

Not Qualified

SS9014-B

Samsung

NPN

SINGLE

NO

270 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

100

SILICON

45 V

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

KST43TI

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

KST43TR

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

KSP2222

Samsung

NPN

SINGLE

NO

250 MHz

.625 W

.6 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

75

150 Cel

SILICON

30 V

35 ns

285 ns

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

SS9013-D

Samsung

NPN

SINGLE

NO

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

64

SILICON

20 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSD1021-G

Samsung

NPN

SINGLE

NO

130 MHz

1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

200

SILICON

30 V

SINGLE

R-PSIP-T3

Not Qualified

BCW60ATF

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

KSD882-Y

Samsung

NPN

SINGLE

NO

90 MHz

3 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

10 W

160

150 Cel

SILICON

30 V

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

KSA733-R

Samsung

PNP

SINGLE

NO

180 MHz

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

40

SILICON

50 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KST4123TF

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

KSD1616A-Y

Samsung

NPN

SINGLE

NO

160 MHz

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

135

SILICON

60 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

SS9015-B

Samsung

PNP

SINGLE

NO

190 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

100

SILICON

45 V

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

BCX71KTF

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

KST42TF

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

KSB795-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

80 V

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

MMBTA42-T1

Samsung

NPN

SINGLE

YES

50 MHz

.5 A

PLASTIC/EPOXY

.5 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

3 pF

SILICON

300 V

DUAL

R-PDSO-G3

Not Qualified

KSP8598

Samsung

PNP

SINGLE

NO

150 MHz

.5 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

75

SILICON

60 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

SS9014-C

Samsung

NPN

SINGLE

NO

270 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

MMBTA92-T1

Samsung

PNP

SINGLE

YES

50 MHz

.5 A

PLASTIC/EPOXY

.5 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

25

6 pF

SILICON

300 V

DUAL

R-PDSO-G3

Not Qualified

KSD882-R

Samsung

NPN

SINGLE

NO

90 MHz

3 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

10 W

60

150 Cel

SILICON

30 V

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

SS9015-A

Samsung

PNP

SINGLE

NO

190 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

60

SILICON

45 V

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

MMBT2222A-T1

Samsung

NPN

SINGLE

YES

300 MHz

.6 A

PLASTIC/EPOXY

1 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

8 pF

SILICON

40 V

35 ns

285 ns

DUAL

R-PDSO-G3

Not Qualified

KST4403TF

Samsung

PNP

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

BCW61DTI

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

KST4124TF

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

SS9011-D

Samsung

NPN

SINGLE

NO

370 MHz

.03 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

28

SILICON

30 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KST4126TR

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

SS9012-E

Samsung

PNP

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

KSB794-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

60 V

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

KST4126TI

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

2N6516

Samsung

NPN

SINGLE

NO

40 MHz

.625 W

.5 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

150 Cel

SILICON

300 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

KST4403TR

Samsung

PNP

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

BCX71JTR

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

KSP45

Samsung

NPN

SINGLE

NO

.3 A

PLASTIC/EPOXY

.75 V

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

1.5 W

40

150 Cel

7 pF

SILICON

350 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

KSB772-Y

Samsung

PNP

SINGLE

NO

80 MHz

3 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

10 W

160

150 Cel

SILICON

30 V

SINGLE

R-PSFM-T3

ISOLATED

Not Qualified

TO-126

KSA733-Y

Samsung

PNP

SINGLE

NO

180 MHz

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

SILICON

50 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSD1621

Samsung

NPN

SINGLE

YES

150 MHz

2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

65

SILICON

25 V

SINGLE

R-PSSO-F3

Not Qualified

HIGH CURRENT DRIVER

KSD1621-T

Samsung

NPN

SINGLE

YES

150 MHz

2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

200

SILICON

25 V

SINGLE

R-PSSO-F3

Not Qualified

HIGH CURRENT DRIVER

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