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

Reset All
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

DTC143ZRLRM

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

DTC143TRLRM

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

160

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

DTC124ERLRM

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

60

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

TO-92

e0

235

DTC114T

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

160

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR

TO-92

e0

235

BCW61B

Onsemi

PNP

SINGLE

YES

.35 W

.1 A

PLASTIC/EPOXY

.55 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

.35 W

80

6 pF

SILICON

32 V

150 ns

800 ns

DUAL

R-PDSO-G3

DTC123ERLRM

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

8

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

TO-92

e0

235

DTC114ERLRP

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

DTA114ERLRA

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

35

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

TO-92

e0

235

DTA114YRLRP

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

DTA114Y

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 4.7

TO-92

e0

235

DTC123ERLRP

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

8

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

TO-92

e0

235

DTC124ERLRP

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

60

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

TO-92

e0

235

DTA114ERLRP

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

35

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

TO-92

e0

235

DTD113E

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

3

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

TO-92

e0

235

DTC114ERLRM

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

PZTA28

Onsemi

NPN

DARLINGTON

YES

125 MHz

.35 W

.8 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

10000

150 Cel

SILICON

80 V

MATTE TIN

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

e3

30

260

2N4403RLRE

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

TO-92

e0

2N4403RLRP

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

TO-92

e0

235

DTC143TRLRA

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

160

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

DTA114TRLRM

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

DTA144ERLRP

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

DTC143ERLRM

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

15

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

TO-92

e0

235

MMBT4400

Onsemi

NPN

SINGLE

YES

.35 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20

150 Cel

SILICON

40 V

35 ns

255 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

DTC143ERLRP

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

15

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

TO-92

e0

235

2N4403ZL1

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

2N4401RLRP

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 (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

30

235

DTD113ERLRP

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

3

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

TO-92

e0

235

BSS63

Onsemi

PNP

SINGLE

YES

50 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

100 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

DTA143ZRLRP

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 10

TO-92

e0

235

DTA123ERLRP

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

8

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

TO-92

e0

235

DTA124ERLRA

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

DTC114TRLRP

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

160

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

DTC114YRLRP

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

BCW61D

Onsemi

PNP

SINGLE

YES

.35 W

.1 A

PLASTIC/EPOXY

.55 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

.35 W

100

6 pF

SILICON

32 V

150 ns

800 ns

DUAL

R-PDSO-G3

DTD113ERLRA

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

3

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

TO-92

e0

235

2N4403RLRM

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

TO-92

e0

235

DTA123ERLRM

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

8

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

TO-92

e0

235

DTC143TRLRP

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

160

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

DTA113E

Onsemi

PNP

NO

.35 W

.1 A

1

BIP General Purpose Small Signal

3

SILICON

DTC143E

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

15

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

TO-92

e0

235

DTA143TRLRA

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

DTA143ERLRP

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

15

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

TO-92

e0

235

BSR18A

Onsemi

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

350 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

DTD113ERLRM

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

3

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

TO-92

e0

235

DTA143TRLRM

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

DTA143E

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

15

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

TO-92

e0

235

MMBT4354

Onsemi

PNP

SINGLE

YES

.35 W

.8 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

60 V

100 ns

400 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

DTA143ZRLRA

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 10

TO-92

e0

235

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