.3 A Small Signal Bipolar Junction Transistors (BJT) 19

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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

MCH6542-TL-E

Onsemi

NPN AND PNP

YES

.55 W

.3 A

BIP General Purpose Small Signal

300

150 Cel

Tin/Bismuth (Sn/Bi)

1

e6

SMMBTA14LT3G

Onsemi

NPN

SINGLE

YES

125 MHz

.3 W

.3 A

1

Other Transistors

5000

150 Cel

MATTE TIN

1

e3

30

260

MMSTA28T146

ROHM

NPN

SINGLE

YES

200 MHz

.2 W

.3 A

PLASTIC/EPOXY

AMPLIFIER

1.5 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

10000

150 Cel

8 pF

SILICON

80 V

DUAL

R-PDSO-G3

1

Not Qualified

10

260

2N5401,116

NXP Semiconductors

PNP

SINGLE

NO

100 MHz

.63 W

.3 A

PLASTIC/EPOXY

SWITCHING

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

6 pF

SILICON

150 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

2N5401,412

NXP Semiconductors

PNP

SINGLE

NO

100 MHz

.63 W

.3 A

PLASTIC/EPOXY

SWITCHING

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

6 pF

SILICON

150 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

2N5551,116

NXP Semiconductors

NPN

SINGLE

NO

100 MHz

.35 W

.3 A

PLASTIC/EPOXY

SWITCHING

.2 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

150 Cel

6 pF

SILICON

160 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

PMBT5401,215

NXP Semiconductors

PNP

SINGLE

YES

100 MHz

.35 W

.3 A

PLASTIC/EPOXY

SWITCHING

.5 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

6 pF

SILICON

150 V

MATTE TIN

DUAL

R-PDSO-G3

Not Qualified

TO-236AB

e3

260

PMBT5401,235

NXP Semiconductors

PNP

SINGLE

YES

100 MHz

.3 A

PLASTIC/EPOXY

SWITCHING

.5 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

50

150 Cel

6 pF

SILICON

150 V

TIN

DUAL

R-PDSO-G3

Not Qualified

TO-236AB

e3

MPSA92-AP

Micro Commercial Components

PNP

SINGLE

NO

50 MHz

.3 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

80

SILICON

300 V

Matte Tin (Sn)

BOTTOM

O-PBCY-W3

1

Not Qualified

TO-92

e3

10

260

KSD227YBU

Fairchild Semiconductor

NPN

SINGLE

NO

.4 W

.3 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

150 Cel

SILICON

25 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MMBTA13-7

Diodes Incorporated

NPN

DARLINGTON

YES

125 MHz

.3 W

.3 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

10000

150 Cel

SILICON

30 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

e0

MMBTA14-7

Diodes Incorporated

NPN

DARLINGTON

YES

125 MHz

.3 W

.3 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20000

150 Cel

SILICON

30 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

e0

MPSA12RLRA

Onsemi

NPN

DARLINGTON

NO

100 MHz

.3 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

20000

150 Cel

SILICON

20 V

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

30

235

MPS3646G

Onsemi

NPN

SINGLE

NO

350 MHz

.625 W

.3 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

15

150 Cel

SILICON

15 V

18 ns

28 ns

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

MPSA44RLRAG

Onsemi

NPN

SINGLE

NO

20 MHz

.625 W

.3 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

400 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

MPSA44RL1G

Onsemi

NPN

SINGLE

NO

.625 W

.3 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

400 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e1

260

BC447G

Onsemi

NPN

SINGLE

NO

200 MHz

1.5 W

.3 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

80 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-226AA

e1

260

MPS3646RLRAG

Onsemi

NPN

SINGLE

NO

350 MHz

.625 W

.3 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

15

150 Cel

SILICON

15 V

18 ns

28 ns

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

2SD2705STP

ROHM

NPN

SINGLE

NO

35 MHz

.3 W

.3 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

820

150 Cel

SILICON

20 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

e1

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