150 MHz 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

FXT550STOA

Diodes Incorporated

PNP

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

15

SILICON

45 V

SINGLE

R-PSIP-W3

Not Qualified

UZTX553M1TA

Diodes Incorporated

PNP

SINGLE

YES

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

100 V

SINGLE

R-PSSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

FCX591ATA

Diodes Incorporated

PNP

SINGLE

YES

150 MHz

1 W

1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

MATTE TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

HIGH RELIABILITY

e3

30

260

UBST52TA

Diodes Incorporated

NPN

DARLINGTON

YES

150 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

2000

SILICON

80 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

FCX493ATC

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

20

SILICON

60 V

MATTE TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

HIGH RELIABILITY

e3

30

260

AEC-Q101

UZTX601STOB

Diodes Incorporated

NPN

DARLINGTON

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

1000

SILICON

160 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

CECC

FXT56STOF

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

40

SILICON

80 V

MATTE TIN

SINGLE

R-PSIP-T3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

ZUMT858B

Diodes Incorporated

PNP

SINGLE

YES

150 MHz

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

220

SILICON

30 V

DUAL

R-PDSO-G3

Not Qualified

UZTX451STOA

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

10

SILICON

60 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

CECC

FXT550SMTA

Diodes Incorporated

PNP

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

UZTX601M1TC

Diodes Incorporated

NPN

DARLINGTON

YES

150 MHz

1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

2000

SILICON

160 V

SINGLE

R-PSSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

FXT55

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

40

SILICON

60 V

MATTE TIN

SINGLE

R-PSIP-T3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

FXT69STOE

Diodes Incorporated

PNP

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

85

SILICON

20 V

MATTE TIN

SINGLE

R-PSIP-T3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

FXT649STOF

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

2 A

PLASTIC/EPOXY

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

100

SILICON

25 V

SINGLE

R-PSIP-T3

Not Qualified

BFS59STOB

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

40

SILICON

30 V

MATTE TIN

SINGLE

R-PSIP-T3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

FXT52SMTC

Diodes Incorporated

PNP

SINGLE

YES

150 MHz

1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

60 V

SINGLE

R-PSSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

UZTX453STOB

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

10

SILICON

100 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

FXT553SM

Diodes Incorporated

PNP

SINGLE

YES

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

10

SILICON

100 V

SINGLE

R-PSSO-G3

Not Qualified

FXT54SMTC

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

45 V

SINGLE

R-PSSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

BFS96Q

Diodes Incorporated

PNP

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

40

SILICON

30 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

BFS96STOA

Diodes Incorporated

PNP

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

40

SILICON

30 V

MATTE TIN

SINGLE

R-PSIP-T3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

FXT453SMTC

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

10

SILICON

100 V

SINGLE

R-PSSO-G3

Not Qualified

UZTX601ASTOB

Diodes Incorporated

NPN

DARLINGTON

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

1000

SILICON

160 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

CECC

FXT603SMTC

Diodes Incorporated

NPN

DARLINGTON

YES

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

500

SILICON

80 V

SINGLE

R-PSSO-G3

Not Qualified

DSS4140U-7

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

.4 W

1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

40 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

UZTX605STOA

Diodes Incorporated

NPN

DARLINGTON

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

500

SILICON

120 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

CECC

BC239PM1TA

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

.05 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

180

SILICON

20 V

SINGLE

R-PSSO-G3

Not Qualified

LOW NOISE

NOT SPECIFIED

NOT SPECIFIED

CECC

UZTX551M1TC

Diodes Incorporated

PNP

SINGLE

YES

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

50

SILICON

60 V

SINGLE

R-PSSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

FXT69STOF

Diodes Incorporated

PNP

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

85

SILICON

20 V

MATTE TIN

SINGLE

R-PSIP-T3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

UZTX453STOA

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

10

SILICON

100 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

FXT453STOA

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

10

SILICON

100 V

SINGLE

R-PSIP-W3

Not Qualified

FXT54SMTA

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

45 V

SINGLE

R-PSSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

BC237DWP

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

UNSPECIFIED

NO LEAD

SQUARE

1

2

UNCASED CHIP

120

SILICON

45 V

TIN LEAD

UPPER

S-XUUC-N2

Not Qualified

e0

10

235

FXT451SM

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

10

SILICON

60 V

SINGLE

R-PSSO-G3

Not Qualified

BFS61Q

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

1 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

UZTX601M1TA

Diodes Incorporated

NPN

DARLINGTON

YES

150 MHz

1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

2000

SILICON

160 V

SINGLE

R-PSSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

UFCX491TA

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

60 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

BC109BDWP

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

UNSPECIFIED

NO LEAD

SQUARE

1

2

UNCASED CHIP

180

SILICON

20 V

TIN LEAD

UPPER

S-XUUC-N2

Not Qualified

e0

10

235

ZTX239

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

.2 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

RECTANGULAR

1

3

IN-LINE

180

SILICON

30 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

LOW NOISE

e3

NOT SPECIFIED

NOT SPECIFIED

DXT690BP5Q-13

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

3 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

60

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-F3

1

COLLECTOR

HIGH RELIABILITY

e3

30

260

AEC-Q101

BC239DWP

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

UNSPECIFIED

NO LEAD

SQUARE

1

2

UNCASED CHIP

180

SILICON

20 V

TIN LEAD

UPPER

S-XUUC-N2

Not Qualified

e0

10

235

FXT69SMTC

Diodes Incorporated

PNP

SINGLE

YES

150 MHz

1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

85

SILICON

20 V

SINGLE

R-PSSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

UZTX605STOB

Diodes Incorporated

NPN

DARLINGTON

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

500

SILICON

120 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

CECC

UZTX450STOA

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

BC108PSTOA

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

120

SILICON

20 V

MATTE TIN

SINGLE

R-PSIP-T3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

CECC

FXT52

Diodes Incorporated

PNP

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

40

SILICON

60 V

MATTE TIN

SINGLE

R-PSIP-T3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

UZTX689B

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

3 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

150

SILICON

20 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

10

260

ZTX237M1TC

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

120

SILICON

45 V

SINGLE

R-PSSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

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