.35 W Small Signal Bipolar Junction Transistors (BJT) 542

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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

BC848B-13-F

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.35 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

30 V

-65 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

FMMT38C

Diodes Incorporated

NPN

DARLINGTON

YES

.35 W

.3 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

10000

150 Cel

SILICON

60 V

DUAL

R-PDSO-G3

Not Qualified

30

260

BC847A-13-F

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.35 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

110

150 Cel

SILICON

45 V

-65 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

BC846BQ-13-F

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.35 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

65 V

-65 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

ZXTP2041FTC

Diodes Incorporated

PNP

SINGLE

YES

150 MHz

.35 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

MMBT3904Q-13-F

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

150 Cel

4 pF

SILICON

40 V

70 ns

-55 Cel

250 ns

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

BC848CQ-7-F

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.35 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

420

150 Cel

SILICON

30 V

-65 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

e3

30

260

ZXTN2038FTC

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

.35 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

60 V

Matte Tin (Sn)

DUAL

R-PDSO-G3

Not Qualified

e3

30

260

ZXTP2041FTA

Diodes Incorporated

PNP

SINGLE

YES

300 MHz

.35 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

ZXTN2040FTA

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

.35 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

35

150 Cel

SILICON

40 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BC847AQ-7-F

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.35 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

110

150 Cel

SILICON

45 V

-65 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

e3

30

260

BC847BQ-7-F

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.35 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

45 V

-65 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

e3

30

260

MMBT2222A-13-F

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.35 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

40 V

35 ns

285 ns

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

ZXTP5401FLQTA

Diodes Incorporated

PNP

SINGLE

YES

100 MHz

.35 W

.6 A

PLASTIC/EPOXY

.5 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

50

150 Cel

10 pF

SILICON

150 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

e3

30

260

AEC-Q101; IATF 16949, MIL-STD-202

BCV46TA

Diodes Incorporated

PNP

DARLINGTON

YES

200 MHz

.35 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

2000

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

MMBT2907A-13-F

Diodes Incorporated

PNP

SINGLE

YES

200 MHz

.35 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

SILICON

60 V

45 ns

100 ns

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

BCV47TC

Diodes Incorporated

NPN

DARLINGTON

YES

170 MHz

.35 W

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

2

3

SMALL OUTLINE

Other Transistors

2000

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

BCV46QTA

Diodes Incorporated

PNP

DARLINGTON

YES

200 MHz

.35 W

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

2000

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

BC847CDLP-7

Diodes Incorporated

NPN

SEPARATE, 2 ELEMENTS

YES

100 MHz

.35 W

.1 A

PLASTIC/EPOXY

NO LEAD

RECTANGULAR

2

6

CHIP CARRIER

Other Transistors

420

150 Cel

SILICON

45 V

NICKEL PALLADIUM GOLD

BOTTOM

R-PBCC-N6

1

COLLECTOR

Not Qualified

e4

30

260

MMBT3906-13-F

Diodes Incorporated

PNP

SINGLE

YES

250 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

-55 Cel

300 ns

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

BC807-40Q-13-F

Diodes Incorporated

PNP

SINGLE

YES

100 MHz

.35 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

170

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

2SD1020-M

Renesas Electronics

NPN

SINGLE

NO

170 MHz

.35 W

.7 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

110

150 Cel

SILICON

25 V

TIN LEAD

SINGLE

R-PSIP-T3

Not Qualified

e0

2SD1020-E

Renesas Electronics

NPN

SINGLE

NO

170 MHz

.35 W

.7 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

250

150 Cel

SILICON

25 V

TIN LEAD

SINGLE

R-PSIP-T3

Not Qualified

e0

2SD1020-A

Renesas Electronics

NPN

SINGLE

NO

170 MHz

.35 W

.7 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

50

150 Cel

SILICON

25 V

SINGLE

R-PSIP-T3

Not Qualified

10

260

2SD1020-J

Renesas Electronics

NPN

SINGLE

NO

170 MHz

.35 W

.7 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

135

150 Cel

SILICON

25 V

TIN LEAD

SINGLE

R-PSIP-T3

Not Qualified

e0

2SD1020

Renesas Electronics

NPN

SINGLE

NO

170 MHz

.35 W

.7 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

50

150 Cel

SILICON

25 V

TIN LEAD

SINGLE

R-PSIP-T3

Not Qualified

e0

2SD1020-H

Renesas Electronics

NPN

SINGLE

NO

170 MHz

.35 W

.7 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

170

150 Cel

SILICON

25 V

TIN LEAD

SINGLE

R-PSIP-T3

Not Qualified

e0

2SD1020-F

Renesas Electronics

NPN

SINGLE

NO

170 MHz

.35 W

.7 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

200

150 Cel

SILICON

25 V

TIN LEAD

SINGLE

R-PSIP-T3

Not Qualified

e0

KST812M6

Samsung

PNP

SINGLE

YES

.35 W

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

KST5088

Samsung

NPN

SINGLE

YES

50 MHz

.35 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

300

150 Cel

SILICON

30 V

DUAL

R-PDSO-G3

Not Qualified

LOW NOISE

KST3903

Samsung

NPN

SINGLE

YES

250 MHz

.35 W

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

15

SILICON

40 V

70 ns

225 ns

DUAL

R-PDSO-G3

Not Qualified

KST1623L5

Samsung

NPN

SINGLE

YES

200 MHz

.35 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

135

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

KST2907A

Samsung

PNP

SINGLE

YES

200 MHz

.35 W

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

SILICON

60 V

50 ns

110 ns

DUAL

R-PDSO-G3

Not Qualified

KST1009F4

Samsung

NPN

SINGLE

YES

150 MHz

.35 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

90

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

KST2222

Samsung

NPN

SINGLE

YES

250 MHz

.35 W

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

75

SILICON

30 V

35 ns

285 ns

DUAL

R-PDSO-G3

Not Qualified

KST2222A

Samsung

NPN

SINGLE

YES

300 MHz

.35 W

.6 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

SILICON

40 V

35 ns

285 ns

DUAL

R-PDSO-G3

Not Qualified

KST93

Samsung

PNP

SINGLE

YES

50 MHz

.35 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

25

150 Cel

SILICON

200 V

DUAL

R-PDSO-G3

Not Qualified

KST1623L6

Samsung

NPN

SINGLE

YES

200 MHz

.35 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

KST20

Samsung

NPN

SINGLE

YES

125 MHz

.35 W

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

KST1623L4

Samsung

NPN

SINGLE

YES

200 MHz

.35 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

90

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

KST92

Samsung

PNP

SINGLE

YES

50 MHz

.35 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

25

150 Cel

SILICON

300 V

DUAL

R-PDSO-G3

Not Qualified

KST812M5

Samsung

PNP

SINGLE

YES

.35 W

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

135

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

KST5089

Samsung

NPN

SINGLE

YES

50 MHz

.35 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

400

150 Cel

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

LOW NOISE

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

KSB811

Samsung

PNP

SINGLE

NO

110 MHz

.35 W

1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

70

150 Cel

SILICON

25 V

SINGLE

R-PSIP-T3

Not Qualified

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

KST812M4

Samsung

PNP

SINGLE

YES

.35 W

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

90

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

KST812M7

Samsung

PNP

SINGLE

YES

.35 W

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

300

SILICON

40 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