50 MHz Small Signal Bipolar Junction Transistors (BJT) 1,434

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

ZTX458STOA

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

NOT SPECIFIED

NOT SPECIFIED

ZTX658STOA

Diodes Incorporated

NPN

SINGLE

NO

50 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

40

SILICON

400 V

MATTE TIN

BOTTOM

O-PBCY-W3

1

Not Qualified

TO-92

e3

260

ZTX558STOA

Diodes Incorporated

PNP

SINGLE

NO

50 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

15

SILICON

400 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

ZTX458SM

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.3 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

15

SILICON

400 V

SINGLE

R-PSSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

UFMMTA42TA

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

300 V

DUAL

R-PDSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

CECC50002-243

FMMT6520TA

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.33 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20

150 Cel

SILICON

350 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

UFMMT558

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.15 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

400 V

95 ns

1600 ns

Matte Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

e3

40

260

FMMT458TC

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.225 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

400 V

DUAL

R-PDSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

FMMT6520

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.33 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20

150 Cel

SILICON

350 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

FMMTA92

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.33 W

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

25

150 Cel

SILICON

300 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

MMSTA55-7-F

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.2 W

.5 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

FMMT6517

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.33 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20

150 Cel

SILICON

350 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

UFMMT593TC

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

ZTX458SMTC

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.3 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

15

SILICON

400 V

SINGLE

R-PSSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

UFMMT558TA

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.15 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

400 V

95 ns

1600 ns

DUAL

R-PDSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

FMMTA93RTC

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

SILICON

200 V

DUAL

R-PDSO-G3

Not Qualified

ZTX658

Diodes Incorporated

NPN

SINGLE

NO

50 MHz

1 W

.5 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

200 Cel

SILICON

400 V

MATTE TIN

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

e3

30

260

UFMMTA42TC

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

300 V

DUAL

R-PDSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

CECC50002-243

MMSTA55-7

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

150 Cel

SILICON

60 V

TIN LEAD

DUAL

R-PDSO-G3

1

Not Qualified

e0

UFMMTA92RTC

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

25

SILICON

300 V

DUAL

R-PDSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

FMMT5089TC

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

400

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

UFMMT458TC

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.225 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

400 V

DUAL

R-PDSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

FMMTA93

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

SILICON

200 V

DUAL

R-PDSO-G3

Not Qualified

CECC50002-245

FMMT5088

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

300

SILICON

30 V

DUAL

R-PDSO-G3

Not Qualified

ZTX658SMTC

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

400 V

SINGLE

R-PSSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

FMMTA42R

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

300 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

FMMT6517TC

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

20

SILICON

350 V

DUAL

R-PDSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

ZTX658SM

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

400 V

SINGLE

R-PSSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

ZXTP558LSTZ

Diodes Incorporated

PNP

SINGLE

NO

50 MHz

1 W

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

400 V

BRIGHT TIN

BOTTOM

O-PBCY-T3

1

Not Qualified

TO-92

e3

30

260

MMBTA42-13

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

150 Cel

SILICON

300 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

e0

MMBTA55-13

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

150 Cel

SILICON

60 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

e0

FMMTA42

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.33 W

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

300 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

FMMTA42TC

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.33 W

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

300 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

CECC50002-243

UFMMTA92TA

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

25

SILICON

300 V

DUAL

R-PDSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

CECC50002-245

MMBTA44

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

150 Cel

SILICON

400 V

DUAL

R-PDSO-G3

FMMT5088TC

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

300

SILICON

30 V

DUAL

R-PDSO-G3

Not Qualified

LOW NOISE

MMBTA55-7

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

60 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

e0

MMBTA92-7

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.3 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

25

150 Cel

SILICON

300 V

TIN LEAD

DUAL

R-PDSO-G3

1

Not Qualified

e0

MMBTA42Q-7-F

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

150 Cel

SILICON

300 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

260

AEC-Q101

UFMMTA42R

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

150 Cel

SILICON

300 V

Matte Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

e3

40

260

MMBTA56-13

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

150 Cel

SILICON

80 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

e0

MMSTA56-7

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

150 Cel

SILICON

80 V

TIN LEAD

DUAL

R-PDSO-G3

1

Not Qualified

e0

FMMTA42RTA

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

300 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

MMSTA55-13

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

150 Cel

SILICON

60 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

e0

UFMMT459TC

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.15 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

50

150 Cel

SILICON

450 V

Matte Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

e3

40

260

FMMT5089

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

400

SILICON

25 V

DUAL

R-PDSO-G3

Not Qualified

UFMMTA92

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

25

SILICON

300 V

Matte Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

e3

40

260

CECC50002-245

MMDTA42-7-F

Diodes Incorporated

NPN

SEPARATE, 2 ELEMENTS

YES

50 MHz

.3 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

300 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