.25 W Small Signal Bipolar Junction Transistors (BJT) 1,386

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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

2SC1685

Onsemi

NPN

SINGLE

NO

150 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

90

135 Cel

SILICON

50 V

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

e0

NOT SPECIFIED

NOT SPECIFIED

BCX71K

Onsemi

PNP

SINGLE

YES

100 MHz

.25 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

110

150 Cel

SILICON

45 V

150 ns

800 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

KSA733O

Onsemi

PNP

SINGLE

NO

180 MHz

.25 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.25 W

70

150 Cel

SILICON

50 V

BOTTOM

O-PBCY-T3

TO-92

BCW30

Onsemi

PNP

SINGLE

YES

100 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

215

150 Cel

SILICON

32 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

KSA733L-C

Onsemi

PNP

SINGLE

NO

180 MHz

.25 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.25 W

350

150 Cel

SILICON

50 V

BOTTOM

O-PBCY-T3

TO-92

BCW32

Onsemi

NPN

SINGLE

YES

100 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

.25 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

32 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

KSA733O-C

Onsemi

PNP

SINGLE

NO

180 MHz

.25 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.25 W

70

150 Cel

SILICON

50 V

BOTTOM

O-PBCY-T3

TO-92

2SD1012G-SPA-AC

Onsemi

NPN

SINGLE

NO

.25 W

.7 A

1

Other Transistors

280

125 Cel

TIN SILVER COPPER NICKEL

2SD1012F-SPA

Onsemi

NPN

SINGLE

NO

.25 W

.7 A

1

Other Transistors

160

125 Cel

Tin/Copper/Silver/Nickel (Sn/Cu/Ag/Ni)

KSA733

Onsemi

PNP

SINGLE

NO

180 MHz

.25 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.25 W

40

150 Cel

2.8 pF

SILICON

50 V

BOTTOM

O-PBCY-T3

TO-92

2SD1012F-SPA-AC

Onsemi

NPN

SINGLE

NO

.25 W

.7 A

1

Other Transistors

160

125 Cel

Tin/Copper/Silver/Nickel (Sn/Cu/Ag/Ni)

KSA733YTA

Onsemi

PNP

SINGLE

NO

180 MHz

.25 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

150 Cel

SILICON

50 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

SO2222A

STMicroelectronics

NPN

SINGLE

YES

270 MHz

.25 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

Not Qualified

e3

260

SO2907

STMicroelectronics

PNP

SINGLE

YES

200 MHz

.25 W

.8 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

40

140 Cel

SILICON

60 V

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G4

Not Qualified

e0

SO2907A

STMicroelectronics

PNP

SINGLE

YES

200 MHz

.25 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

140 Cel

SILICON

60 V

45 ns

300 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

SO2222

STMicroelectronics

NPN

SINGLE

YES

250 MHz

.25 W

.8 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

30 V

DUAL

R-PDSO-G4

Not Qualified

BC860B,235

NXP Semiconductors

PNP

SINGLE

YES

100 MHz

.25 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.65 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

220

150 Cel

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

TO-236AB

e3

30

260

PMBS3906

NXP Semiconductors

PNP

SINGLE

YES

150 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

.4 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

4.5 pF

SILICON

40 V

100 ns

700 ns

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

PDTD123ET

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.25 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

40

150 Cel

SILICON

50 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

TO-236AB

e3

30

260

PDTD123YT

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.25 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

70

150 Cel

SILICON

50 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 4.55

TO-236AB

e3

30

260

PDTB113ZT

NXP Semiconductors

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.25 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

70

150 Cel

SILICON

50 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 10

TO-236AB

e3

30

260

PDTB123TT,215

NXP Semiconductors

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.25 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

100

150 Cel

SILICON

50 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR

TO-236AB

e3

30

260

BCW70

NXP Semiconductors

PNP

SINGLE

YES

100 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

215

150 Cel

SILICON

45 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

PDTB113ZK

NXP Semiconductors

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.25 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

70

SILICON

50 V

Tin (Sn)

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 10

TO-236

e3

PDTD123EK

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.25 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

40

SILICON

50 V

Tin (Sn)

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

TO-236

e3

PDTB123EK

NXP Semiconductors

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.25 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

40

SILICON

50 V

TIN

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO 1

TO-236

e3

PDTD113EK,115

NXP Semiconductors

NPN

YES

.25 W

.5 A

1

BIP General Purpose Small Signal

33

SILICON

BF820,235

NXP Semiconductors

NPN

SINGLE

YES

60 MHz

.25 W

.05 A

PLASTIC/EPOXY

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

1.6 pF

SILICON

300 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

PDTD123TK

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.25 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

100

SILICON

50 V

Tin (Sn)

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR

TO-236

e3

PDTB123YT,215

NXP Semiconductors

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.25 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

70

150 Cel

SILICON

50 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 4.55

TO-236AB

e3

30

260

2PA1774JS

NXP Semiconductors

PNP

SINGLE

YES

100 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

270

150 Cel

SILICON

50 V

DUAL

R-PDSO-F3

Not Qualified

PDTB113EK

NXP Semiconductors

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.25 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

33

SILICON

50 V

TIN

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTORS RATIO 1

TO-236

e3

BCW70,235

NXP Semiconductors

PNP

SINGLE

YES

100 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

215

150 Cel

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

PMBS3906,235

NXP Semiconductors

PNP

SINGLE

YES

150 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

.4 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

4.5 pF

SILICON

40 V

100 ns

700 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

PDTB123ET

NXP Semiconductors

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.25 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

40

150 Cel

SILICON

50 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

BUILT IN BIAS RESISTANCE RATIO IS 1

TO-236AB

e3

30

260

BF820

NXP Semiconductors

NPN

SINGLE

YES

60 MHz

.25 W

.05 A

PLASTIC/EPOXY

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

1.6 pF

SILICON

300 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

PDTD123TT,215

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.25 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

100

150 Cel

SILICON

50 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR

TO-236AB

e3

30

260

PDTD113EK

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.25 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

33

SILICON

50 V

TIN

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTORS RATIO 1

TO-236

e3

PDTB123TK,115

NXP Semiconductors

PNP

YES

.25 W

.5 A

1

BIP General Purpose Small Signal

100

SILICON

PDTD123ET,215

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.25 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

40

150 Cel

SILICON

50 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

BUILT IN BIAS RESISTOR RATIO 1

TO-236AB

e3

30

260

PMBS3904,235

NXP Semiconductors

NPN

SINGLE

YES

180 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

4 pF

SILICON

40 V

110 ns

1200 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

PDTB123TK

NXP Semiconductors

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.25 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

100

SILICON

50 V

Tin (Sn)

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR

TO-236

e3

PDTD113ZK

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.25 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

70

SILICON

50 V

Tin (Sn)

DUAL

R-PDSO-G3

Not Qualified

BUILT IN BIAS RESISTOR RATIO 10

TO-236

e3

PDTD113ET

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.25 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

33

150 Cel

SILICON

50 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTORS RATIO 1

TO-263AB

e3

30

260

PDTB123YT

NXP Semiconductors

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.25 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

70

150 Cel

SILICON

50 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 4.55

TO-236AB

e3

30

260

PDTD123TT

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.25 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

100

150 Cel

SILICON

50 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR

TO-236AB

e3

30

260

BCW71T/R

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

.25 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

110

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

Not Qualified

e3

260

PDTB113ZT,215

NXP Semiconductors

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.25 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

70

150 Cel

SILICON

50 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 10

TO-236AB

e3

30

260

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