230 MHz Small Signal Bipolar Junction Transistors (BJT) 419

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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

PDTC143EQA

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

30

SILICON

50 V

TIN

DUAL

R-PDSO-N3

1

COLLECTOR

BUILT IN BIAS RESISTANCE RATIO IS 1

e3

30

260

AEC-Q101; IEC-60134

PDTC114EQA

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

30

SILICON

50 V

TIN

DUAL

R-PDSO-N3

1

COLLECTOR

BUILT IN BIAS RESISTANCE RATIO IS 1

e3

30

260

AEC-Q101; IEC-60134

PDTC143ZQA

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

50 V

TIN

DUAL

R-PDSO-N3

1

COLLECTOR

BUILT IN BIAS RESISTANCE RATIO IS 10

e3

30

260

AEC-Q101; IEC-60134

PBSS4240YT/R

NXP Semiconductors

NPN

SINGLE

YES

230 MHz

2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

6

SMALL OUTLINE

150

SILICON

40 V

TIN

DUAL

R-PDSO-G6

Not Qualified

e3

PDTC143XMB

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

1

3

CHIP CARRIER

50

SILICON

50 V

TIN

BOTTOM

R-PBCC-N3

1

COLLECTOR

BUILT IN BIAS RESISTANCE RATIO IS 2.1

e3

AEC-Q101; IEC-60134

PDTC144WMB

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

1

3

CHIP CARRIER

60

SILICON

50 V

TIN

BOTTOM

R-PBCC-N3

1

COLLECTOR

BUILT IN BIAS RESISTANCE RATIO IS 0.47

e3

AEC-Q101; IEC-60134

PBSS4240T,215

NXP Semiconductors

NPN

SINGLE

YES

230 MHz

.3 W

2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

150

150 Cel

SILICON

40 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

PDTC123EMB

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

1

3

CHIP CARRIER

30

SILICON

50 V

TIN

BOTTOM

R-PBCC-N3

1

COLLECTOR

BUILT IN BIAS RESISTANCE RATIO IS 1

e3

AEC-Q101; IEC-60134

PDTC124EQA

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

60

SILICON

50 V

TIN

DUAL

R-PDSO-N3

1

COLLECTOR

BUILT IN BIAS RESISTANCE RATIO IS 1

e3

30

260

AEC-Q101; IEC-60134

PDTC144VMB

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

1

3

CHIP CARRIER

40

SILICON

50 V

TIN

BOTTOM

R-PBCC-N3

1

COLLECTOR

BUILT IN BIAS RESISTANCE RATIO IS 0.21

e3

AEC-Q101; IEC-60134

PUMH11/T2

NXP Semiconductors

NPN

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

30

SILICON

50 V

DUAL

R-PDSO-G6

BUILT IN BIAS RESISTOR RATIO IS 1

AEC-Q101

PDTC143TMB

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

1

3

CHIP CARRIER

200

SILICON

50 V

TIN

BOTTOM

R-PBCC-N3

1

COLLECTOR

BUILT IN BIAS RESISTOR

e3

AEC-Q101; IEC-60134

PDTC143XQA

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

50

SILICON

50 V

TIN

DUAL

R-PDSO-N3

1

COLLECTOR

BUILT IN BIAS RESISTANCE RATIO IS 2.1

e3

30

260

AEC-Q101; IEC-60134

PDTC114YQA

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

50 V

TIN

DUAL

R-PDSO-N3

1

COLLECTOR

BUILT IN BIAS RESISTANCE RATIO IS 4.7

e3

30

260

AEC-Q101; IEC-60134

PUMH11T/R

NXP Semiconductors

NPN

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

30

SILICON

50 V

MATTE TIN

DUAL

R-PDSO-G6

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

e3

260

AEC-Q101

PBSS4240Y,115

NXP Semiconductors

NPN

SINGLE

YES

230 MHz

.27 W

2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

6

SMALL OUTLINE

Other Transistors

150

150 Cel

SILICON

40 V

TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

PDTC123TMB

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

1

3

CHIP CARRIER

30

SILICON

50 V

TIN

BOTTOM

R-PBCC-N3

1

COLLECTOR

BUILT IN BIAS RESISTOR

e3

AEC-Q101; IEC-60134

PUMH11,125

NXP Semiconductors

NPN

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

30

SILICON

50 V

DUAL

R-PDSO-G6

BUILT IN BIAS RESISTOR RATIO IS 1

AEC-Q101

PBSS4240TT/R

NXP Semiconductors

NPN

SINGLE

YES

230 MHz

2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

150

SILICON

40 V

TIN

DUAL

R-PDSO-G3

Not Qualified

TO-236AB

e3

PDTC143ZMB

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

1

3

CHIP CARRIER

100

SILICON

50 V

TIN

BOTTOM

R-PBCC-N3

1

COLLECTOR

BUILT IN BIAS RESISTANCE RATIO IS 10

e3

AEC-Q101; IEC-60134

PDTC114YMB

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

1

3

CHIP CARRIER

100

SILICON

50 V

TIN

BOTTOM

R-PBCC-N3

1

COLLECTOR

BUILT IN BIAS RESISTANCE RATIO IS 4.7

e3

AEC-Q101; IEC-60134

PDTC123JQA

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

50 V

TIN

DUAL

R-PDSO-N3

1

COLLECTOR

BUILT IN BIAS RESISTANCE RATIO IS 21

e3

30

260

AEC-Q101; IEC-60134

PDTC123YMB

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

1

3

CHIP CARRIER

35

SILICON

50 V

TIN

BOTTOM

R-PBCC-N3

1

COLLECTOR

BUILT IN BIAS RESISTANCE RATIO IS 4.5

e3

AEC-Q101; IEC-60134

PBSS4240T

NXP Semiconductors

NPN

SINGLE

YES

230 MHz

.3 W

2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

150

150 Cel

SILICON

40 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

PUMD10T/R

NXP Semiconductors

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

100

SILICON

50 V

TIN

DUAL

R-PDSO-G6

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 21

e3

PQMH2,147

Nexperia

NPN

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

2

6

SMALL OUTLINE

80

SILICON

50 V

TIN

DUAL

R-PDSO-N6

1

COLLECTOR

BUILT IN BIAS RESISTANCE RATIO IS 1

e3

30

260

AEC-Q101; IEC-60134

934069749147

Nexperia

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

2

6

SMALL OUTLINE

80

SILICON

50 V

TIN

DUAL

R-PDSO-N6

1

COLLECTOR

BUILT IN BIAS RESISTANCE RATIO IS 2.13

e3

30

260

AEC-Q101; IEC-60134

934069741147

Nexperia

NPN

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

2

6

SMALL OUTLINE

100

SILICON

50 V

TIN

DUAL

R-PDSO-N6

1

COLLECTOR

BUILT IN BIAS RESISTANCE RATIO IS 10

e3

30

260

AEC-Q101; IEC-60134

PQMH2Z

Nexperia

NPN

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

2

6

SMALL OUTLINE

80

SILICON

50 V

TIN

DUAL

R-PDSO-N6

1

COLLECTOR

BUILT IN BIAS RESISTANCE RATIO IS 1

e3

30

260

AEC-Q101; IEC-60134

PQMH9Z

Nexperia

NPN

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

2

6

SMALL OUTLINE

100

SILICON

50 V

TIN

DUAL

R-PDSO-N6

1

COLLECTOR

BUILT IN BIAS RESISTANCE RATIO IS 4.7

e3

30

260

AEC-Q101; IEC-60134

PQMD10Z

Nexperia

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

2

6

SMALL OUTLINE

100

SILICON

50 V

TIN

DUAL

R-PDSO-N6

1

COLLECTOR

BUILT IN BIAS RESISTANCE RATIO IS 21

e3

30

260

AEC-Q101; IEC-60134

PQMH13Z

Nexperia

NPN

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

2

6

SMALL OUTLINE

100

SILICON

50 V

TIN

DUAL

R-PDSO-N6

1

COLLECTOR

BUILT IN BIAS RESISTANCE RATIO IS 10

e3

30

260

AEC-Q101; IEC-60134

934069746147

Nexperia

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

2

6

SMALL OUTLINE

60

SILICON

50 V

TIN

DUAL

R-PDSO-N6

1

COLLECTOR

BUILT IN BIAS RESISTANCE RATIO IS 1

e3

30

260

AEC-Q101; IEC-60134

934056606235

Nexperia

NPN

SINGLE

YES

230 MHz

2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

150

SILICON

40 V

TIN

DUAL

R-PDSO-G3

1

TO-236AB

e3

30

260

934069742147

Nexperia

NPN

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

RECTANGULAR

2

6

SMALL OUTLINE

100

SILICON

50 V

TIN

DUAL

R-PDSO-N6

1

COLLECTOR

BUILT IN BIAS RESISTANCE RATIO IS 4.7

e3

30

260

AEC-Q101; IEC-60134

934663629115

Nexperia

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

.1 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

100

150 Cel

2.5 pF

SILICON

50 V

-65 Cel

TIN

DUAL

R-PDSO-G6

1

BUILT IN BIAS RESISTANCE RATIO IS 4.7

e3

30

260

AEC-Q101; IEC-60134

934663630215

Nexperia

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

230 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

.1 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

150 Cel

2.5 pF

SILICON

50 V

-65 Cel

Tin (Sn)

DUAL

R-PDSO-G3

1

BUILT IN BIAS RESISTANCE RATIO IS 1

e3

AEC-Q101; IEC-60134

934663777135

Nexperia

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

.1 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

80

150 Cel

2.5 pF

SILICON

50 V

-65 Cel

TIN

DUAL

R-PDSO-G6

1

BUILT-IN BIAS RESISTOR RATIO IS 1

e3

30

260

AEC-Q101; IEC-60134

934663834135

Nexperia

NPN

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

.15 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

30

150 Cel

2.5 pF

SILICON

50 V

-65 Cel

Tin (Sn)

DUAL

R-PDSO-G6

1

BUILT IN BIAS RESISTOR RATIO IS 1

e3

AEC-Q101; IEC-60134

934663629165

Nexperia

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

.1 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

100

150 Cel

2.5 pF

SILICON

50 V

-65 Cel

Tin (Sn)

DUAL

R-PDSO-G6

1

BUILT IN BIAS RESISTANCE RATIO IS 4.7

e3

AEC-Q101; IEC-60134

934663777115

Nexperia

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

.1 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

80

150 Cel

2.5 pF

SILICON

50 V

-65 Cel

TIN

DUAL

R-PDSO-G6

1

BUILT-IN BIAS RESISTOR RATIO IS 1

e3

30

260

AEC-Q101; IEC-60134

934663842135

Nexperia

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

.1 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

100

150 Cel

2.5 pF

SILICON

50 V

-65 Cel

Tin (Sn)

DUAL

R-PDSO-G6

1

BUILT-IN BIAS RESISTOR RATIO IS 21

e3

AEC-Q101; IEC-60134

934663630235

Nexperia

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

230 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

.1 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

30

150 Cel

2.5 pF

SILICON

50 V

-65 Cel

Tin (Sn)

DUAL

R-PDSO-G3

1

BUILT IN BIAS RESISTANCE RATIO IS 1

e3

AEC-Q101; IEC-60134

934663840115

Nexperia

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

.1 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

100

150 Cel

2.5 pF

SILICON

50 V

-65 Cel

DUAL

R-PDSO-G6

BUILT IN BIAS RESISTANCE RATIO IS 10

AEC-Q101; IEC-60134

934663836115

Nexperia

NPN

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

.15 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

80

150 Cel

2.5 pF

SILICON

50 V

-65 Cel

DUAL

R-PDSO-G6

BUILT-IN BIAS RESISTOR RATIO IS 1

AEC-Q101; IEC-60134

934663635125

Nexperia

NPN

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

.1 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

100

150 Cel

2.5 pF

SILICON

50 V

-55 Cel

Tin (Sn)

DUAL

R-PDSO-G6

BUILT-IN BIAS RESISTOR RATIO IS 4.7

e3

AEC-Q101; IEC-60134

934663886235

Nexperia

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

230 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

.1 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

60

150 Cel

2.5 pF

SILICON

50 V

-65 Cel

TIN

DUAL

R-PDSO-G3

1

BUILT IN BIAS RESISTANCE RATIO IS 1

TO-236AB

e3

30

260

AEC-Q101; IEC-60134

934663626115

Nexperia

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

230 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

.1 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

30

150 Cel

2.5 pF

SILICON

50 V

-65 Cel

Tin (Sn)

DUAL

R-PDSO-G6

BUILT IN BIAS RESISTOR RATIO IS 1

e3

AEC-Q101; IEC-60134

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