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

FMMT491ATC

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

.5 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

35

150 Cel

SILICON

40 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

ZTX753M1

Diodes Incorporated

PNP

SINGLE

YES

140 MHz

2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

25

SILICON

100 V

SINGLE

R-PSSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

CECC

FMMT491TC

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

.5 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BC847BLP-7

Diodes Incorporated

NPN

SINGLE

YES

100 MHz

.25 W

.1 A

PLASTIC/EPOXY

NO LEAD

RECTANGULAR

1

3

CHIP CARRIER

Other Transistors

200

150 Cel

SILICON

45 V

NICKEL PALLADIUM GOLD

BOTTOM

R-PBCC-N3

1

COLLECTOR

Not Qualified

HIGH RELIABILITY

e4

30

260

FMMT491AQTA

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

35

SILICON

40 V

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

BC848B-7-F

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

30 V

-65 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

HIGH RELIABILITY

e3

30

260

AEC-Q101

FMMT491QTA

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

.5 W

1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

FMMT493ATA

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

.5 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

FMMT558TA

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.5 W

.15 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

400 V

95 ns

-55 Cel

1600 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

UFMMT593TA

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

50

SILICON

100 V

DUAL

R-PDSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

BC857BV-7

Diodes Incorporated

PNP

SEPARATE, 2 ELEMENTS

YES

100 MHz

.15 W

.1 A

PLASTIC/EPOXY

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

220

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-F6

1

Not Qualified

HIGH RELIABILITY

e3

30

260

BCW66HTA

Diodes Incorporated

NPN

SINGLE

YES

100 MHz

.35 W

.8 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

180

150 Cel

SILICON

45 V

100 ns

400 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

CECC50002-233

FMMT560TA

Diodes Incorporated

PNP

SINGLE

YES

60 MHz

.5 W

.15 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

80

150 Cel

SILICON

500 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

DNBT8105-7

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

.6 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

HIGH RELIABILITY

e3

30

260

ZTX601

Diodes Incorporated

NPN

DARLINGTON

NO

250 MHz

1 W

1 A

PLASTIC/EPOXY

WIRE

RECTANGULAR

1

3

IN-LINE

Other Transistors

1000

200 Cel

SILICON

160 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

BC846B-13-F

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.35 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

65 V

-65 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

BC857A-7-F

Diodes Incorporated

PNP

SINGLE

YES

200 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

125

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

MMBT4403-13-F

Diodes Incorporated

PNP

SINGLE

YES

200 MHz

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

20

SILICON

40 V

35 ns

255 ns

Matte Tin (Sn)

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

NOT SPECIFIED

260

AEC-Q101

ZTX550STZ

Diodes Incorporated

PNP

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

15

SILICON

45 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

MMDT5451-7-F

Diodes Incorporated

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

100 MHz

.2 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

30

150 Cel

SILICON

160 V

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

FMMT491

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

.5 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

ZTX601B

Diodes Incorporated

NPN

DARLINGTON

NO

250 MHz

1 A

PLASTIC/EPOXY

WIRE

RECTANGULAR

1

3

IN-LINE

Other Transistors

5000

200 Cel

SILICON

160 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

BC817-25Q-7-F

Diodes Incorporated

NPN

SINGLE

YES

100 MHz

.35 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

FMMT491QTC

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

.5 W

1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

ZTX751Q

Diodes Incorporated

PNP

SINGLE

NO

140 MHz

2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

40

SILICON

60 V

Matte Tin (Sn)

SINGLE

R-PSIP-W3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

CECC

9018

Diodes Incorporated

NPN

SINGLE

YES

UNSPECIFIED

SWITCHING

.3 V

NO LEAD

SQUARE

1

2

UNCASED CHIP

60

SILICON

20 V

UPPER

S-XUUC-N2

MMDT2907A-7-F

Diodes Incorporated

PNP

SEPARATE, 2 ELEMENTS

YES

200 MHz

.2 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

50

150 Cel

SILICON

60 V

45 ns

100 ns

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

ZTX450M1

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

15

SILICON

45 V

SINGLE

R-PSSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

BCW68HTA

Diodes Incorporated

PNP

SINGLE

YES

100 MHz

.35 W

.8 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

180

150 Cel

SILICON

45 V

100 ns

400 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

CECC50002-234

FMMT718TC

Diodes Incorporated

PNP

SINGLE

YES

180 MHz

.625 W

1.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

15

150 Cel

SILICON

20 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

DDTC114ECA-7-F

Diodes Incorporated

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.2 W

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

30

150 Cel

SILICON

50 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

e3

30

260

FMMT417TD

Diodes Incorporated

NPN

SINGLE

YES

40 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

25

SILICON

100 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

ZTX450STOA

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

15

SILICON

45 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

CECC

ZTX751L

Diodes Incorporated

PNP

SINGLE

NO

140 MHz

2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

40

SILICON

60 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

CECC

ZTX450STOB

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

15

SILICON

45 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

CECC

DMMT3904W-7-F

Diodes Incorporated

NPN

SEPARATE, 2 ELEMENTS

YES

300 MHz

.2 W

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

250 ns

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

FMMT493TC

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

.5 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20

150 Cel

SILICON

100 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

FMMT718QTA

Diodes Incorporated

PNP

SINGLE

YES

180 MHz

.625 W

1.5 A

PLASTIC/EPOXY

SWITCHING

.22 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

15

150 Cel

43 pF

SILICON

20 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

e3

30

260

AEC-Q101; IATF 16949

MMBT2222AQ-7-F

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.35 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

HIGH RELIABILITY

e3

30

260

AEC-Q101

ZTX450Q

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

15

SILICON

45 V

Matte Tin (Sn)

SINGLE

R-PSIP-W3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

CECC

BC848CW-7-F

Diodes Incorporated

NPN

SINGLE

YES

300 MHz

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

420

150 Cel

SILICON

30 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

ZTX601BSTZ

Diodes Incorporated

NPN

DARLINGTON

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

5000

SILICON

160 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

CECC

ZTX705

Diodes Incorporated

PNP

DARLINGTON

NO

160 MHz

1 W

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

Other Transistors

2000

200 Cel

SILICON

120 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

MMDT5401-7-F

Diodes Incorporated

PNP

SEPARATE, 2 ELEMENTS

YES

100 MHz

.2 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

50

150 Cel

SILICON

150 V

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

ZTX458STZ

Diodes Incorporated

NPN

SINGLE

NO

50 MHz

.3 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

15

SILICON

400 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

FCX495TA

Diodes Incorporated

NPN

SINGLE

YES

100 MHz

1 W

1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

150 V

MATTE TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e3

30

260

BC858C-7-F

Diodes Incorporated

PNP

SINGLE

YES

200 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

420

150 Cel

SILICON

30 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

MMBT2907AQ-7-F

Diodes Incorporated

PNP

SINGLE

YES

200 MHz

.35 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

SILICON

60 V

45 ns

100 ns

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

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