NO 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

BC639RL1G

Onsemi

NPN

SINGLE

NO

200 MHz

.625 W

1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

80 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-226

e1

260

BCY59-IX

Motorola

NPN

SINGLE

NO

200 MHz

.2 A

METAL

SWITCHING

.7 V

WIRE

ROUND

1

3

CYLINDRICAL

1 W

250

200 Cel

6 pF

SILICON

45 V

150 ns

800 ns

BOTTOM

O-MBCY-W3

Not Qualified

TO-206AA

NOT SPECIFIED

NOT SPECIFIED

BCY59-IXPBFREE

Central Semiconductor

NPN

SINGLE

NO

150 MHz

1 W

.1 A

METAL

SWITCHING

.7 V

WIRE

ROUND

1

3

CYLINDRICAL

.34 W

60

200 Cel

5 pF

SILICON

45 V

150 ns

-65 Cel

800 ns

MATTE TIN OVER NICKEL

BOTTOM

O-MBCY-W3

LOW NOISE

TO-18

e3

BCY59-VIII

Motorola

NPN

SINGLE

NO

200 MHz

.2 A

METAL

SWITCHING

.7 V

WIRE

ROUND

1

3

CYLINDRICAL

1 W

180

200 Cel

6 pF

SILICON

45 V

150 ns

800 ns

BOTTOM

O-MBCY-W3

Not Qualified

TO-206AA

NOT SPECIFIED

NOT SPECIFIED

BCY59-VIIIPBFREE

Central Semiconductor

NPN

SINGLE

NO

150 MHz

1 W

.1 A

METAL

SWITCHING

.7 V

WIRE

ROUND

1

3

CYLINDRICAL

.34 W

45

200 Cel

5 pF

SILICON

45 V

150 ns

-65 Cel

800 ns

MATTE TIN OVER NICKEL

BOTTOM

O-MBCY-W3

LOW NOISE

TO-18

e3

BCY59/IX

NXP Semiconductors

NPN

SINGLE

NO

150 MHz

.1 A

METAL

SWITCHING

.7 V

WIRE

ROUND

1

3

CYLINDRICAL

1 W

250

200 Cel

5 pF

SILICON

45 V

150 ns

800 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-18

BCY59/VIII

NXP Semiconductors

NPN

SINGLE

NO

150 MHz

.1 A

METAL

SWITCHING

.7 V

WIRE

ROUND

1

3

CYLINDRICAL

1 W

180

150 Cel

5 pF

SILICON

45 V

150 ns

-65 Cel

800 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-18

BCY59IX

STMicroelectronics

NPN

SINGLE

NO

100 MHz

.6 W

.2 A

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

175 Cel

SILICON

45 V

150 ns

800 ns

BOTTOM

O-MBCY-W3

Not Qualified

LOW NOISE

TO-18

NOT SPECIFIED

250

BCY59VIII

STMicroelectronics

NPN

SINGLE

NO

100 MHz

.6 W

.2 A

METAL

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

45

175 Cel

SILICON

45 V

150 ns

800 ns

MATTE TIN

BOTTOM

O-MBCY-W3

Not Qualified

LOW NOISE

TO-18

e3

JANTX2N1304

Defense Logistics Agency

NPN

SINGLE

NO

.3 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

40

GERMANIUM

BOTTOM

O-MBCY-W3

BASE

Not Qualified

TO-5

MIL-19500/126C

JANTXV2N3499

Microchip Technology

NPN

SINGLE

NO

5 W

.5 A

METAL

SWITCHING

.6 V

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

1 W

20

200 Cel

10 pF

SILICON

100 V

115 ns

-65 Cel

1150 ns

TIN LEAD OVER NICKEL

BOTTOM

O-MBCY-W3

COLLECTOR

Qualified

HIGH RELIABILITY

TO-205AD

e0

MIL-19500

JANTXV2N5109

Defense Logistics Agency

NPN

SINGLE

NO

.4 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

40

SILICON

20 V

TIN LEAD

BOTTOM

O-MBCY-W3

Not Qualified

TO-39

e0

MIL

KSA733CLTA

Fairchild Semiconductor

PNP

SINGLE

NO

180 MHz

.25 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

350

150 Cel

SILICON

50 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

KSB772YSTU

Onsemi

PNP

SINGLE

NO

80 MHz

10 W

3 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

Other Transistors

160

150 Cel

SILICON

30 V

MATTE TIN

SINGLE

R-PSFM-T3

Not Qualified

TO-126

e3

KSP44TA

Onsemi

NPN

SINGLE

NO

1.5 W

.3 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

400 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

KSP44TF

Onsemi

NPN

SINGLE

NO

1.5 W

.3 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

400 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MPS2222ARLRA

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.6 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

150 Cel

SILICON

40 V

35 ns

285 ns

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

30

235

MPS2222ARLRMG

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.6 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

150 Cel

SILICON

40 V

35 ns

285 ns

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

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

40

260

MPS2222ARLRPG

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.6 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

150 Cel

SILICON

40 V

35 ns

285 ns

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

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

40

260

MPS3827

Onsemi

NPN

SINGLE

NO

200 MHz

.31 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

45 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

MPSA06BK

Diotec Semiconductor Ag

NPN

SINGLE

NO

100 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

100

SILICON

80 V

BOTTOM

O-PBCY-W3

TO-92

NOT SPECIFIED

NOT SPECIFIED

MPSA13RLRMG

Onsemi

NPN

DARLINGTON

NO

125 MHz

1.5 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

10000

150 Cel

SILICON

30 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

MPSA13RLRP

Onsemi

NPN

DARLINGTON

NO

125 MHz

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

10000

150 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

MPSA14PBFREE

Central Semiconductor

NPN

DARLINGTON

NO

125 MHz

.625 W

.5 A

PLASTIC/EPOXY

1.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.625 W

20000

150 Cel

SILICON

30 V

-65 Cel

MATTE TIN OVER NICKEL

BOTTOM

O-PBCY-T3

TO-92

e3

MPSA14RLRA

Onsemi

NPN

DARLINGTON

NO

125 MHz

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

20000

150 Cel

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

MPSA14RLRAG

Onsemi

NPN

DARLINGTON

NO

125 MHz

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

20000

150 Cel

SILICON

30 V

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

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

40

260

MPSA42ZL1G

Onsemi

NPN

SINGLE

NO

50 MHz

1.5 W

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

300 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

MPSA43,116

NXP Semiconductors

NPN

SINGLE

NO

50 MHz

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

4 pF

SILICON

200 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

MPSA43G

Onsemi

NPN

SINGLE

NO

50 MHz

1.5 W

.05 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

200 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

MPSA43ZL1G

Onsemi

NPN

SINGLE

NO

50 MHz

.625 W

.05 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

200 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e1

260

MPSA55G

Onsemi

PNP

SINGLE

NO

50 MHz

.625 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

60 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

P2N2222AZL1

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.6 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

75

150 Cel

SILICON

40 V

35 ns

285 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

235

PN2222ARLRP

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.6 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

75

150 Cel

SILICON

40 V

35 ns

285 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

PN2222TF

Onsemi

NPN

SINGLE

NO

300 MHz

.625 W

.6 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

PN2907A-AP

STMicroelectronics

PNP

SINGLE

NO

200 MHz

.5 W

.6 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

60 V

45 ns

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

PN2907BU

Onsemi

PNP

SINGLE

NO

200 MHz

.625 W

.8 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

40 V

45 ns

100 ns

TIN

BOTTOM

O-PBCY-T3

1

Not Qualified

TO-92

e3

RN1206

Toshiba

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

250 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

BIP General Purpose Small Signal

80

150 Cel

6 pF

SILICON

50 V

TIN LEAD

SINGLE

R-PSIP-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 10

e0

RN1206(TPE4)

Toshiba

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

250 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

80

150 Cel

6 pF

SILICON

50 V

SINGLE

R-PSIP-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 10

STX13003G-AP

STMicroelectronics

NPN

SINGLE

NO

1.5 W

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

5

150 Cel

SILICON

400 V

4700 ns

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

TN6725AD74Z

National Semiconductor

NPN

DARLINGTON

NO

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

10000

SILICON

BOTTOM

O-PBCY-T3

Not Qualified

TO-226AE

ZTX795ASTOA

Zetex Plc

PNP

SINGLE

NO

100 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

.3 V

WIRE

RECTANGULAR

1

3

IN-LINE

100

200 Cel

SILICON

140 V

MATTE TIN

SINGLE

R-PSIP-W3

1

Not Qualified

e3

10

260

2N2222AE3

Microchip Technology

NPN

SINGLE

NO

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

30

SILICON

50 V

35 ns

300 ns

MATTE TIN

BOTTOM

O-MBCY-W3

1

COLLECTOR

TO-206AA

e3

10

260

2N3906RLRPG

Onsemi

PNP

SINGLE

NO

250 MHz

.35 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

300 ns

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

2N3906ZL1

Onsemi

PNP

SINGLE

NO

250 MHz

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

300 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

235

2N4125BU

Fairchild Semiconductor

PNP

SINGLE

NO

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

1

Not Qualified

TO-92

e3

40

260

2N4125RLRM

Onsemi

PNP

SINGLE

NO

200 MHz

.2 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

25

SILICON

30 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

2N4125TA

Fairchild Semiconductor

PNP

SINGLE

NO

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

2N4125TF

Fairchild Semiconductor

PNP

SINGLE

NO

.35 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

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