150 MHz Small Signal Bipolar Junction Transistors (BJT) 2,400+

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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

KST1009F2TF

Samsung

NPN

SINGLE

YES

150 MHz

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

KST1009F5TR

Samsung

NPN

SINGLE

YES

150 MHz

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

135

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

KST1009F4TF

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

KSC5019-L

Samsung

NPN

SINGLE

NO

150 MHz

2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

140

SILICON

10 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSD5019

Samsung

NPN

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

600

SILICON

2 V

TIN LEAD

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

e0

KSB1121-U

Samsung

PNP

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

KST1009F5TF

Samsung

NPN

SINGLE

YES

150 MHz

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

135

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

KSA1370

Samsung

PNP

SINGLE

NO

150 MHz

1 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

200 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KST1009F5TI

Samsung

NPN

SINGLE

YES

150 MHz

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

135

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

KSC2982-C

Samsung

NPN

SINGLE

YES

150 MHz

2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

300

SILICON

10 V

SINGLE

R-PSSO-F3

Not Qualified

KST1009F4TI

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

KSD5041-Y

Samsung

NPN

SINGLE

NO

150 MHz

5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

230

SILICON

20 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KST1009F2TR

Samsung

NPN

SINGLE

YES

150 MHz

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

KSC5019

Samsung

NPN

SINGLE

NO

150 MHz

.75 W

2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

70

150 Cel

SILICON

10 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

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

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

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

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

KST1009F1TI

Samsung

NPN

SINGLE

YES

150 MHz

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

KST1009F1TR

Samsung

NPN

SINGLE

YES

150 MHz

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

KST1009F5

Samsung

NPN

SINGLE

YES

150 MHz

.35 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

135

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

KSC5019-N

Samsung

NPN

SINGLE

NO

150 MHz

2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

300

SILICON

10 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSC2500-C

Samsung

NPN

SINGLE

NO

150 MHz

2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

300

SILICON

10 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KST1009F3

Samsung

NPN

SINGLE

YES

150 MHz

.35 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

60

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

KSC2982-A

Samsung

NPN

SINGLE

YES

150 MHz

2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

140

SILICON

10 V

SINGLE

R-PSSO-F3

Not Qualified

KSA1370-F

Samsung

PNP

SINGLE

NO

150 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

160

SILICON

200 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KST1009F2TI

Samsung

NPN

SINGLE

YES

150 MHz

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

KSC2982-D

Samsung

NPN

SINGLE

YES

150 MHz

2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

420

SILICON

10 V

SINGLE

R-PSSO-F3

Not Qualified

KSA1370-E

Samsung

PNP

SINGLE

NO

150 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

100

SILICON

200 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSB1121-T

Samsung

PNP

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

KSC2982-B

Samsung

NPN

SINGLE

YES

150 MHz

2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

200

SILICON

10 V

SINGLE

R-PSSO-F3

Not Qualified

KSC5019-M

Samsung

NPN

SINGLE

NO

150 MHz

2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

200

SILICON

10 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

KSC2982

Samsung

NPN

SINGLE

YES

150 MHz

2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

70

SILICON

10 V

SINGLE

R-PSSO-F3

Not Qualified

KSB1121-R

Samsung

PNP

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

KST1009F2

Samsung

NPN

SINGLE

YES

150 MHz

.35 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

KST1009F3TR

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

KST1009F1

Samsung

NPN

SINGLE

YES

150 MHz

.35 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

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

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

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

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

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

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

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

BC856-C

Samsung

PNP

SINGLE

YES

150 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

SILICON

65 V

DUAL

R-PDSO-G3

Not Qualified

KSP8599

Samsung

PNP

SINGLE

NO

150 MHz

.5 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

75

SILICON

80 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

BC859-A

Samsung

PNP

SINGLE

YES

150 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

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