Diodes Incorporated 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

DSS4160FDB-7

Diodes Incorporated

NPN

SEPARATE, 2 ELEMENTS

YES

175 MHz

1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

SQUARE

2

6

SMALL OUTLINE

70

SILICON

60 V

NICKEL PALLADIUM GOLD

DUAL

S-PDSO-N6

COLLECTOR

e4

260

DSS5320T-7

Diodes Incorporated

PNP

SINGLE

YES

180 MHz

.6 W

2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

20 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

HIGH RELIABILITY

e3

30

260

FMMT455TA

Diodes Incorporated

NPN

SINGLE

YES

100 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

140 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

FMMT614TA

Diodes Incorporated

NPN

DARLINGTON

YES

100 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

5000

SILICON

100 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

ZDT1053TA

Diodes Incorporated

NPN

SEPARATE, 2 ELEMENTS

YES

140 MHz

5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

10

SMALL OUTLINE

30

SILICON

75 V

MATTE TIN

DUAL

R-PDSO-G10

1

Not Qualified

e3

30

260

ZTX657

Diodes Incorporated

NPN

SINGLE

NO

30 MHz

1 W

.5 A

PLASTIC/EPOXY

WIRE

RECTANGULAR

1

3

IN-LINE

Other Transistors

50

200 Cel

SILICON

300 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

2N4126STOA

Diodes Incorporated

PNP

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

120

SILICON

25 V

MATTE TIN

SINGLE

R-PSIP-T3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

2N4124Q

Diodes Incorporated

NPN

SINGLE

NO

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

120

SILICON

25 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

2N4126STOB

Diodes Incorporated

PNP

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

120

SILICON

25 V

MATTE TIN

SINGLE

R-PSIP-T3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

2N4123STOA

Diodes Incorporated

NPN

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

50

SILICON

30 V

MATTE TIN

SINGLE

R-PSIP-T3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

2N4124STOB

Diodes Incorporated

NPN

SINGLE

NO

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

120

SILICON

25 V

MATTE TIN

SINGLE

R-PSIP-T3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

2N4125K

Diodes Incorporated

PNP

SINGLE

NO

200 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

50

SILICON

30 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

2N4124L

Diodes Incorporated

NPN

SINGLE

NO

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

120

SILICON

25 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

2N4126L

Diodes Incorporated

PNP

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

120

SILICON

25 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

2N4124M1TA

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

120

SILICON

25 V

SINGLE

R-PSSO-G3

Not Qualified

LOW NOISE

NOT SPECIFIED

NOT SPECIFIED

2N4125M1TC

Diodes Incorporated

PNP

SINGLE

YES

200 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

50

SILICON

30 V

SINGLE

R-PSSO-G3

Not Qualified

LOW NOISE

NOT SPECIFIED

NOT SPECIFIED

2N4124STZ

Diodes Incorporated

NPN

SINGLE

NO

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

120

SILICON

25 V

MATTE TIN

SINGLE

R-PSIP-T3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

2N4126M1TC

Diodes Incorporated

PNP

SINGLE

YES

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

120

SILICON

25 V

SINGLE

R-PSSO-G3

Not Qualified

LOW NOISE

NOT SPECIFIED

NOT SPECIFIED

2N4126Q

Diodes Incorporated

PNP

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

120

SILICON

25 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

2N4125STOA

Diodes Incorporated

PNP

SINGLE

NO

200 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

50

SILICON

30 V

MATTE TIN

SINGLE

R-PSIP-T3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

2N4126K

Diodes Incorporated

PNP

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

120

SILICON

25 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

SXTA42-13R

Diodes Incorporated

MATTE TIN

1

e3

260

2N4126STZ

Diodes Incorporated

PNP

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

120

SILICON

25 V

MATTE TIN

SINGLE

R-PSIP-T3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

SXTA92TA

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

25

SILICON

300 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2N4123STOB

Diodes Incorporated

NPN

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

50

SILICON

30 V

MATTE TIN

SINGLE

R-PSIP-T3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

2N4125STZ

Diodes Incorporated

PNP

SINGLE

NO

200 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

50

SILICON

30 V

MATTE TIN

SINGLE

R-PSIP-T3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

2N4123L

Diodes Incorporated

NPN

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

50

SILICON

30 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

SXTA42TC

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

300 V

MATTE TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e3

30

260

2N4123Q

Diodes Incorporated

NPN

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

50

SILICON

30 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

2N4125STOB

Diodes Incorporated

PNP

SINGLE

NO

200 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

50

SILICON

30 V

MATTE TIN

SINGLE

R-PSIP-T3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

SXTA42TA

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

300 V

MATTE TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e3

30

260

2N4125M1TA

Diodes Incorporated

PNP

SINGLE

YES

200 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

50

SILICON

30 V

SINGLE

R-PSSO-G3

Not Qualified

LOW NOISE

NOT SPECIFIED

NOT SPECIFIED

2N4123M1TC

Diodes Incorporated

NPN

SINGLE

YES

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

50

SILICON

30 V

SINGLE

R-PSSO-G3

Not Qualified

LOW NOISE

NOT SPECIFIED

NOT SPECIFIED

2N4123STZ

Diodes Incorporated

NPN

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

50

SILICON

30 V

MATTE TIN

SINGLE

R-PSIP-T3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

2N4123M1TA

Diodes Incorporated

NPN

SINGLE

YES

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

50

SILICON

30 V

SINGLE

R-PSSO-G3

Not Qualified

LOW NOISE

NOT SPECIFIED

NOT SPECIFIED

2N4123K

Diodes Incorporated

NPN

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

50

SILICON

30 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

2N4125L

Diodes Incorporated

PNP

SINGLE

NO

200 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

50

SILICON

30 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

2N4124M1TC

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

120

SILICON

25 V

SINGLE

R-PSSO-G3

Not Qualified

LOW NOISE

NOT SPECIFIED

NOT SPECIFIED

2N4125Q

Diodes Incorporated

PNP

SINGLE

NO

200 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

50

SILICON

30 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

2N4124K

Diodes Incorporated

NPN

SINGLE

NO

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

120

SILICON

25 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

2N4124STOA

Diodes Incorporated

NPN

SINGLE

NO

300 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

120

SILICON

25 V

MATTE TIN

SINGLE

R-PSIP-T3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

2N4126M1TA

Diodes Incorporated

PNP

SINGLE

YES

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

120

SILICON

25 V

SINGLE

R-PSSO-G3

Not Qualified

LOW NOISE

NOT SPECIFIED

NOT SPECIFIED

DCX53-13

Diodes Incorporated

PNP

SINGLE

YES

200 MHz

1 W

.001 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

63

150 Cel

SILICON

80 V

MATTE TIN

DUAL

R-PDSO-F4

1

COLLECTOR

Not Qualified

e3

260

BC414PSTZ

Diodes Incorporated

NPN

SINGLE

NO

250 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

200

SILICON

45 V

MATTE TIN

SINGLE

R-PSIP-T3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

CECC

BCY79PM1TC

Diodes Incorporated

PNP

SINGLE

YES

180 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

120

SILICON

45 V

85 ns

150 ns

SINGLE

R-PSSO-G3

Not Qualified

LOW NOISE

NOT SPECIFIED

NOT SPECIFIED

CECC

PO39PSTOE

Diodes Incorporated

NPN

SINGLE

NO

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

25

SILICON

300 V

MATTE TIN

SINGLE

R-PSIP-T3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

UBCV26

Diodes Incorporated

PNP

DARLINGTON

YES

200 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

4000

SILICON

30 V

DUAL

R-PDSO-G3

Not Qualified

DRDN010W-7

Diodes Incorporated

NPN

SINGLE

YES

100 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

6

SMALL OUTLINE

150

150 Cel

SILICON

18 V

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

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