.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

DTA124ERLRP

Onsemi

PNP

SINGLE WITH BUILT-IN RESISTOR

NO

.35 W

.1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

60

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

TO-92

e0

235

DTA114TRLRA

Onsemi

PNP

SINGLE WITH BUILT-IN RESISTOR

NO

.35 W

.1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

160

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

MPS6511

Onsemi

NPN

SINGLE

NO

.35 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

20 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

2N4403RL

Onsemi

PNP

SINGLE

NO

200 MHz

.35 W

.6 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

40 V

35 ns

255 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

235

MMBT4355

Onsemi

PNP

SINGLE

YES

.35 W

.8 A

PLASTIC/EPOXY

SWITCHING

1 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

75

150 Cel

30 pF

SILICON

60 V

100 ns

-55 Cel

400 ns

DUAL

R-PDSO-G3

TO-236AB

DTA144ERLRM

Onsemi

PNP

SINGLE WITH BUILT-IN RESISTOR

NO

.35 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

80

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

TO-92

e0

235

BCW61A

Onsemi

PNP

SINGLE

YES

.35 W

.1 A

PLASTIC/EPOXY

.55 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

.35 W

60

6 pF

SILICON

32 V

150 ns

800 ns

DUAL

R-PDSO-G3

BC182BRL1

Onsemi

NPN

SINGLE

NO

200 MHz

.35 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

180

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

235

DTC114YRLRA

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

.35 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

80

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 4.7

TO-92

e0

235

DTC143ZRLRP

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

.35 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

80

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 10

TO-92

e0

235

DTA114T

Onsemi

PNP

SINGLE WITH BUILT-IN RESISTOR

NO

.35 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

160

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

DTA114YRLRM

Onsemi

PNP

SINGLE WITH BUILT-IN RESISTOR

NO

.35 W

.1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

80

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 4.76

TO-92

e0

235

BSR15

Onsemi

PNP

SINGLE

YES

200 MHz

.35 W

.8 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

45 ns

100 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

DTC114E

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

.35 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

35

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

TO-92

e0

235

BC182BG

Onsemi

NPN

SINGLE

NO

200 MHz

.35 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

180

150 Cel

SILICON

50 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

DTC143ZRLRA

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

.35 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

80

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 10

TO-92

e0

235

DTC144ERLRM

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

.35 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

80

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

TO-92

e0

235

MMBT2222

Onsemi

NPN

SINGLE

YES

250 MHz

.35 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

1.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

.35 W

75

150 Cel

8 pF

SILICON

30 V

35 ns

-55 Cel

285 ns

DUAL

R-PDSO-G3

MMBTA65

Onsemi

PNP

DARLINGTON

YES

100 MHz

.35 W

1.2 A

PLASTIC/EPOXY

1.5 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

20000

150 Cel

SILICON

-55 Cel

DUAL

R-PDSO-G3

MMBTA13

Onsemi

NPN

DARLINGTON

YES

125 MHz

.35 W

1.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

10000

150 Cel

SILICON

30 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

2N4401RLRA

Onsemi

NPN

SINGLE

NO

250 MHz

.35 W

.6 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

40 V

35 ns

255 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

SOA56

STMicroelectronics

PNP

SINGLE

YES

50 MHz

.35 W

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

SILICON

80 V

MATTE TIN

DUAL

R-PDSO-G3

Not Qualified

e3

SOA06

STMicroelectronics

NPN

SINGLE

YES

100 MHz

.35 W

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

SILICON

80 V

MATTE TIN

DUAL

R-PDSO-G3

Not Qualified

e3

BCW68R

STMicroelectronics

PNP

SINGLE

YES

100 MHz

.35 W

.8 A

1

Other Transistors

150 Cel

TIN LEAD

e0

BCW66F

STMicroelectronics

NPN

SINGLE

YES

100 MHz

.35 W

.8 A

PLASTIC/EPOXY

SWITCHING

.7 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

.36 W

100

150 Cel

12 pF

SILICON

45 V

100 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

BCW65C

STMicroelectronics

NPN

SINGLE

YES

100 MHz

.35 W

.8 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

32 V

100 ns

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

Not Qualified

e0

BCW65B

STMicroelectronics

NPN

SINGLE

YES

100 MHz

.35 W

.8 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

60

150 Cel

SILICON

32 V

100 ns

Matte Tin (Sn)

DUAL

R-PDSO-G3

Not Qualified

e3

BCW68H

STMicroelectronics

PNP

SINGLE

YES

100 MHz

.35 W

.8 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

45 V

Matte Tin (Sn)

DUAL

R-PDSO-G3

e3

PQMD12Z

NXP Semiconductors

NPN AND PNP

YES

.35 W

.1 A

2

BIP General Purpose Small Signal

80

SILICON

BCW89T/R

NXP Semiconductors

PNP

SINGLE

YES

150 MHz

.35 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

120

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G3

Not Qualified

e3

260

2N5551,116

NXP Semiconductors

NPN

SINGLE

NO

100 MHz

.35 W

.3 A

PLASTIC/EPOXY

SWITCHING

.2 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

6 pF

SILICON

160 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BF240,112

NXP Semiconductors

NPN

SINGLE

NO

150 MHz

.35 W

.025 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

67

150 Cel

SILICON

40 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BCF29T/R

NXP Semiconductors

PNP

SINGLE

YES

100 MHz

.35 W

.1 A

PLASTIC/EPOXY

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

120

150 Cel

SILICON

32 V

DUAL

R-PDSO-G3

Not Qualified

LOW NOISE

BF240-T/R

NXP Semiconductors

NPN

SINGLE

NO

.35 W

.025 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

65

150 Cel

SILICON

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

BCF30T/R

NXP Semiconductors

PNP

SINGLE

YES

100 MHz

.35 W

.1 A

PLASTIC/EPOXY

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

215

150 Cel

SILICON

32 V

DUAL

R-PDSO-G3

Not Qualified

LOW NOISE

BCW89,215

NXP Semiconductors

PNP

SINGLE

YES

150 MHz

.35 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

120

150 Cel

SILICON

60 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BCF81T/R

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.35 W

.1 A

PLASTIC/EPOXY

.25 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

420

150 Cel

SILICON

45 V

DUAL

R-PDSO-G3

Not Qualified

LOW NOISE

2N5551,412

NXP Semiconductors

NPN

SINGLE

NO

100 MHz

.35 W

.6 A

PLASTIC/EPOXY

SWITCHING

.2 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

6 pF

SILICON

160 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

2N4126T/R

NXP Semiconductors

PNP

SINGLE

NO

250 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

PMBT5401,215

NXP Semiconductors

PNP

SINGLE

YES

100 MHz

.35 W

.3 A

PLASTIC/EPOXY

SWITCHING

.5 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

6 pF

SILICON

150 V

MATTE TIN

DUAL

R-PDSO-G3

Not Qualified

TO-236AB

e3

260

BC807-16T/R

NXP Semiconductors

PNP

SINGLE

YES

100 MHz

.35 W

.5 A

PLASTIC/EPOXY

SWITCHING

.7 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

Not Qualified

TO-236AB

e3

260

BCW32T/R

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.35 W

.1 A

PLASTIC/EPOXY

SWITCHING

.25 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

32 V

MATTE TIN

DUAL

R-PDSO-G3

Not Qualified

TO-236AB

e3

260

BCV47T/R

NXP Semiconductors

NPN

DARLINGTON

YES

220 MHz

.35 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

1 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

10000

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G3

Not Qualified

TO-236AB

e3

260

2N4401,116

NXP Semiconductors

NPN

SINGLE

NO

250 MHz

.35 W

.6 A

PLASTIC/EPOXY

SWITCHING

.75 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

80

150 Cel

6.5 pF

SILICON

40 V

35 ns

250 ns

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

PMBT5401

NXP Semiconductors

PNP

SINGLE

YES

100 MHz

.35 W

.3 A

PLASTIC/EPOXY

SWITCHING

.5 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

6 pF

SILICON

150 V

Matte Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

40

260

BC807-40T/R

NXP Semiconductors

PNP

SINGLE

YES

100 MHz

.35 W

.5 A

PLASTIC/EPOXY

SWITCHING

.7 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

250

150 Cel

SILICON

45 V

TIN

DUAL

R-PDSO-G3

Not Qualified

TO-236AB

e3

260

PMBT5401T/R

NXP Semiconductors

PNP

SINGLE

YES

100 MHz

.35 W

.3 A

PLASTIC/EPOXY

SWITCHING

.5 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

6 pF

SILICON

150 V

-65 Cel

MATTE TIN

DUAL

R-PDSO-G3

Not Qualified

TO-236AB

e3

260

2N4401AMO

NXP Semiconductors

NPN

SINGLE

NO

250 MHz

.35 W

.6 A

PLASTIC/EPOXY

.75 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

6.5 pF

SILICON

40 V

35 ns

255 ns

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

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