.4 W Small Signal Bipolar Junction Transistors (BJT) 340

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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

RN2404

Toshiba

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

200 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

80

150 Cel

6 pF

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

TO-236AB

NOT SPECIFIED

NOT SPECIFIED

RN1403

Toshiba

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

70

150 Cel

6 pF

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

TO-236AB

NOT SPECIFIED

NOT SPECIFIED

RN2006

Toshiba

PNP

SINGLE WITH BUILT-IN RESISTOR

NO

200 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

80

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 10

TO-92

e0

RN2402

Toshiba

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

200 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

50

150 Cel

6 pF

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

TO-236AB

NOT SPECIFIED

NOT SPECIFIED

2SC941TM-O

Toshiba

NPN

SINGLE

NO

120 MHz

.4 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.4 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

70

125 Cel

3 pF

SILICON

30 V

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

2SC752(G)TM

Toshiba

NPN

SINGLE

NO

400 MHz

.4 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

20

SILICON

15 V

100 ns

100 ns

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

2SC732TM

Toshiba

NPN

SINGLE

NO

150 MHz

.4 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

125 Cel

SILICON

50 V

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e0

2SC941TM

Toshiba

NPN

SINGLE

NO

120 MHz

.4 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.4 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

125 Cel

3 pF

SILICON

30 V

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

RN1011

Toshiba

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

250 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

120

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR

TO-92

e0

RN1402

Toshiba

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

50

150 Cel

6 pF

SILICON

50 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

TO-236AB

e0

RN2401

Toshiba

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

200 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

30

150 Cel

6 pF

SILICON

50 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

TO-236AB

e0

RN2405

Toshiba

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

200 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

80

150 Cel

6 pF

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 21.36

TO-236AB

NOT SPECIFIED

NOT SPECIFIED

RN2009

Toshiba

PNP

SINGLE WITH BUILT-IN RESISTOR

NO

200 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

70

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 0.47

TO-92

e0

RN2003

Toshiba

PNP

SINGLE WITH BUILT-IN RESISTOR

NO

200 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

70

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

TO-92

e0

2SC941TM-Y

Toshiba

NPN

SINGLE

NO

120 MHz

.4 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.4 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

125 Cel

3 pF

SILICON

30 V

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

RN2005

Toshiba

PNP

SINGLE WITH BUILT-IN RESISTOR

NO

200 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

80

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 21.36

TO-92

e0

2SC752(G)TM-R

Toshiba

NPN

SINGLE

NO

400 MHz

.4 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

125 Cel

SILICON

15 V

100 ns

100 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

RN2008

Toshiba

PNP

SINGLE WITH BUILT-IN RESISTOR

NO

200 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

80

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 2.14

TO-92

e0

RN1006

Toshiba

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

250 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

80

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 10

TO-92

e0

RN1001

Toshiba

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

250 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

30

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

TO-92

e0

RN1405

Toshiba

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

80

150 Cel

6 pF

SILICON

50 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 21.36

TO-236AB

e0

RN2403

Toshiba

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

200 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

70

150 Cel

6 pF

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

TO-236AB

NOT SPECIFIED

NOT SPECIFIED

RN2011

Toshiba

PNP

SINGLE WITH BUILT-IN RESISTOR

NO

200 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

120

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR

TO-92

e0

RN1004

Toshiba

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

250 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

80

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

TO-92

e0

RN1005

Toshiba

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

250 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

80

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 21.36

TO-92

e0

RN1404

Toshiba

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

80

150 Cel

6 pF

SILICON

50 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

TO-236AB

e0

RN2002

Toshiba

PNP

SINGLE WITH BUILT-IN RESISTOR

NO

200 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

50

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

TO-92

e0

RN2010

Toshiba

PNP

SINGLE WITH BUILT-IN RESISTOR

NO

200 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

120

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR

TO-92

e0

RN1010

Toshiba

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

250 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

120

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR

TO-92

e0

2SC752(G)TM-Y

Toshiba

NPN

SINGLE

NO

400 MHz

.4 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

125 Cel

SILICON

15 V

100 ns

100 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

RN2406

Toshiba

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

200 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

80

150 Cel

6 pF

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 10

TO-236AB

NOT SPECIFIED

NOT SPECIFIED

2SC732TM-BL

Toshiba

NPN

SINGLE

NO

150 MHz

.4 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

350

125 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e0

2SC732TM-GR

Toshiba

NPN

SINGLE

NO

150 MHz

.4 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

125 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e0

RN2004

Toshiba

PNP

SINGLE WITH BUILT-IN RESISTOR

NO

200 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

80

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

TO-92

e0

2SC941TM-R

Toshiba

NPN

SINGLE

NO

120 MHz

.4 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

.4 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

125 Cel

3 pF

SILICON

30 V

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

RN2007

Toshiba

PNP

SINGLE WITH BUILT-IN RESISTOR

NO

200 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

80

150 Cel

SILICON

50 V

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 4.7

TO-92

e0

RN1406

Toshiba

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

80

150 Cel

6 pF

SILICON

50 V

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 10

TO-236AB

NOT SPECIFIED

NOT SPECIFIED

RN1009

Toshiba

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

250 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

70

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 0.47

TO-92

e0

RN1007

Toshiba

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

250 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

80

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 4.7

TO-92

e0

RN1003

Toshiba

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

250 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

70

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

TO-92

e0

2SC752(G)TM-O

Toshiba

NPN

SINGLE

NO

400 MHz

.4 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

70

125 Cel

SILICON

15 V

100 ns

100 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

RN1008

Toshiba

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

250 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

80

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 2.14

TO-92

e0

RN2001

Toshiba

PNP

SINGLE WITH BUILT-IN RESISTOR

NO

200 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

BIP General Purpose Small Signal

30

150 Cel

SILICON

50 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

TO-92

e0

2SC3112-A

Toshiba

NPN

SINGLE

NO

250 MHz

.4 W

.15 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

600

SILICON

50 V

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

2SC3267-BL

Toshiba

NPN

SINGLE

NO

120 MHz

.4 W

2 A

PLASTIC/EPOXY

SWITCHING

.5 V

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

350

150 Cel

SILICON

20 V

TIN LEAD

SINGLE

R-PSIP-T3

Not Qualified

e0

2SC3329

Toshiba

NPN

SINGLE

NO

42 MHz

.4 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

125 Cel

SILICON

80 V

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e0

2SA1015(L)-O

Toshiba

PNP

SINGLE

NO

80 MHz

.4 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

70

125 Cel

SILICON

50 V

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e0

2SC3267-Y

Toshiba

NPN

SINGLE

NO

120 MHz

.4 W

2 A

PLASTIC/EPOXY

SWITCHING

.5 V

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

120

150 Cel

SILICON

20 V

TIN LEAD

SINGLE

R-PSIP-T3

Not Qualified

e0

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