NO Small Signal Bipolar Junction Transistors (BJT) 481

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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

ZTX1149ASTOB

Diodes Incorporated

PNP

SINGLE

NO

135 MHz

1 W

3 A

PLASTIC/EPOXY

.3 V

WIRE

RECTANGULAR

1

3

IN-LINE

1 W

115

200 Cel

50 pF

SILICON

25 V

-55 Cel

SINGLE

R-PSIP-W3

ZTX1149ASTZ

Diodes Incorporated

PNP

SINGLE

NO

135 MHz

1 W

3 A

PLASTIC/EPOXY

.3 V

WIRE

RECTANGULAR

1

3

IN-LINE

1 W

115

200 Cel

50 pF

SILICON

25 V

-55 Cel

MATTE TIN

SINGLE

R-PSIP-W3

e3

30

260

ZTX1051ASTOB

Diodes Incorporated

NPN

SINGLE

NO

155 MHz

1 W

4 A

PLASTIC/EPOXY

SWITCHING

.21 V

WIRE

RECTANGULAR

1

3

IN-LINE

1 W

45

200 Cel

40 pF

SILICON

40 V

-55 Cel

MATTE TIN

SINGLE

R-PSIP-W3

LOW NOISE

e3

260

ZTX1051ASTZ

Diodes Incorporated

NPN

SINGLE

NO

155 MHz

1 W

4 A

PLASTIC/EPOXY

SWITCHING

.21 V

WIRE

RECTANGULAR

1

3

IN-LINE

1 W

45

200 Cel

40 pF

SILICON

40 V

-55 Cel

MATTE TIN

SINGLE

R-PSIP-W3

LOW NOISE

e3

260

ZTX1048ASTOB

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

1 W

4 A

PLASTIC/EPOXY

SWITCHING

.245 V

WIRE

RECTANGULAR

1

3

IN-LINE

1 W

50

200 Cel

80 pF

SILICON

17.5 V

-55 Cel

SINGLE

R-PSIP-W3

ZTX1048ASTOA

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

1 W

4 A

PLASTIC/EPOXY

SWITCHING

.245 V

WIRE

RECTANGULAR

1

3

IN-LINE

1 W

50

200 Cel

80 pF

SILICON

17.5 V

-55 Cel

SINGLE

R-PSIP-W3

ZTX1048ASTZ

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

1 W

4 A

PLASTIC/EPOXY

SWITCHING

.245 V

WIRE

RECTANGULAR

1

3

IN-LINE

1 W

50

200 Cel

80 pF

SILICON

17.5 V

-55 Cel

MATTE TIN

SINGLE

R-PSIP-W3

e3

30

260

CE2A3Q-T-AZ

Renesas Electronics

NPN

NO

1 W

2 A

1

BIP General Purpose Small Signal

500

SILICON

2SC2909S-AA

Onsemi

NPN

SINGLE

NO

150 MHz

.6 W

.07 A

PLASTIC/EPOXY

SWITCHING

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.6 W

140

150 Cel

2 pF

SILICON

160 V

Tin/Copper/Silver/Nickel (Sn/Cu/Ag/Ni)

BOTTOM

O-PBCY-T3

TTB1020B,S4X(S

Toshiba

PNP

NO

30 W

7 A

2

BIP General Purpose Small Signal

2000

SILICON

STL73D-AP

STMicroelectronics

NPN

SINGLE WITH BUILT-IN DIODE

NO

1.5 W

1.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

4

150 Cel

SILICON

400 V

4700 ns

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC640-016G

Onsemi

PNP

SINGLE

NO

150 MHz

1.5 W

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

80 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

TO-226AA

e1

260

2SC2655L-Y-AP

Micro Commercial Components

NPN

SINGLE

NO

100 MHz

2 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

120

SILICON

50 V

BOTTOM

O-PBCY-T3

1

TO-92

LP395Z/LFT4

Texas Instruments

NPN

SINGLE

NO

1

Other Transistors

125 Cel

MATTE TIN

e3

BC548CB1G

Taiwan Semiconductor

NPN

SINGLE

NO

.5 W

.1 A

1

Other Transistors

420

150 Cel

MATTE TIN

1

e3

10

260

BC549CB1G

Taiwan Semiconductor

NPN

SINGLE

NO

.5 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

.5 W

420

150 Cel

SILICON

30 V

-65 Cel

MATTE TIN

BOTTOM

O-PBCY-T3

1

TO-92

e3

10

260

2SA608NF-NPA-AT

Onsemi

PNP

SINGLE

NO

200 MHz

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

160

SILICON

50 V

Tin (Sn)

BOTTOM

O-PBCY-T3

TO-226AA

e3

2SC536NF-NPA-AT

Onsemi

NPN

SINGLE

NO

200 MHz

.15 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

160

SILICON

50 V

Tin (Sn)

BOTTOM

O-PBCY-T3

TO-226AA

e3

ZTX651QSTZ

Diodes Incorporated

NPN

SINGLE

NO

140 MHz

1.5 W

2 A

1

Other Transistors

100

200 Cel

MATTE TIN

e3

30

260

2SA2205-E

Onsemi

PNP

SINGLE

NO

300 MHz

2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

200

150 Cel

SILICON

100 V

Tin/Bismuth (Sn/Bi)

SINGLE

R-PSIP-T3

TO-251

e6

2SA2127-AE

Onsemi

PNP

SINGLE

NO

420 MHz

1 W

2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

50 V

Tin/Copper/Silver/Nickel (Sn/Cu/Ag/Ni)

BOTTOM

O-PBCY-T3

TO-226AE

2SB1216S-E

Onsemi

PNP

SINGLE

NO

130 MHz

20 W

4 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

140

150 Cel

SILICON

100 V

TIN BISMUTH

SINGLE

R-PSIP-T3

COLLECTOR

TO-251

e6

2SB1216S-H

Onsemi

PNP

SINGLE

NO

130 MHz

20 W

4 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

140

150 Cel

SILICON

100 V

TIN BISMUTH

SINGLE

R-PSIP-T3

COLLECTOR

TO-251

e6

2SB1216T-E

Onsemi

PNP

SINGLE

NO

130 MHz

20 W

4 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

200

150 Cel

SILICON

100 V

TIN BISMUTH

SINGLE

R-PSIP-T3

COLLECTOR

TO-251

e6

2SD1816S-E

Onsemi

NPN

SINGLE

NO

180 MHz

20 W

4 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

140

150 Cel

SILICON

100 V

TIN BISMUTH

SINGLE

R-PSIP-T3

COLLECTOR

TO-251

e6

2SD1816S-H

Onsemi

NPN

SINGLE

NO

180 MHz

20 W

4 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

140

150 Cel

SILICON

100 V

TIN BISMUTH

SINGLE

R-PSIP-T3

COLLECTOR

TO-251

e6

2SD1816T-E

Onsemi

NPN

SINGLE

NO

180 MHz

20 W

4 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

200

150 Cel

SILICON

100 V

TIN BISMUTH

SINGLE

R-PSIP-T3

COLLECTOR

TO-251

e6

2SD1816T-H

Onsemi

NPN

SINGLE

NO

180 MHz

20 W

4 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

200

150 Cel

SILICON

100 V

TIN BISMUTH

SINGLE

R-PSIP-T3

COLLECTOR

TO-251

e6

2SD1815S-H

Onsemi

NPN

SINGLE

NO

20 W

3 A

1

Other Transistors

140

150 Cel

TIN BISMUTH

e6

2SD1815T-H

Onsemi

NPN

SINGLE

NO

20 W

3 A

1

Other Transistors

200

150 Cel

TIN BISMUTH

e6

2N3903/D26Z

National Semiconductor

NPN

SINGLE

NO

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

.2 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

50

SILICON

40 V

70 ns

225 ns

BOTTOM

O-PBCY-T3

Not Qualified

HIGH SPEED SATURATED SWITCHING

TO-92

NTE159

Nte Electronics

PNP

SINGLE

NO

100 MHz

.6 W

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

30

SILICON

80 V

100 ns

400 ns

BOTTOM

O-PBCY-W3

Not Qualified

LOW NOISE

TO-92

NOT SPECIFIED

NOT SPECIFIED

NTE103

Nte Electronics

NPN

SINGLE

NO

2 MHz

.15 W

.15 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

24

GERMANIUM

16 V

BOTTOM

O-MBCY-W3

Not Qualified

TO-5

NOT SPECIFIED

NOT SPECIFIED

ZTX453STOB

Zetex Plc

NPN

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

.7 V

WIRE

RECTANGULAR

1

3

IN-LINE

2 W

10

200 Cel

15 pF

SILICON

100 V

MATTE TIN

SINGLE

R-PSIP-W3

1

Not Qualified

e3

ZTX451STOB

Zetex Plc

NPN

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

.35 V

WIRE

RECTANGULAR

1

3

IN-LINE

2 W

10

200 Cel

15 pF

SILICON

60 V

MATTE TIN

SINGLE

R-PSIP-W3

1

Not Qualified

e3

CECC

ZTX753STOA

Zetex Plc

PNP

SINGLE

NO

100 MHz

2 A

PLASTIC/EPOXY

SWITCHING

.5 V

WIRE

RECTANGULAR

1

3

IN-LINE

2.5 W

25

200 Cel

30 pF

SILICON

100 V

MATTE TIN

SINGLE

R-PSIP-W3

1

Not Qualified

e3

10

260

CECC

ZTX753STOB

Zetex Plc

PNP

SINGLE

NO

100 MHz

2 A

PLASTIC/EPOXY

SWITCHING

.5 V

WIRE

RECTANGULAR

1

3

IN-LINE

2.5 W

25

200 Cel

30 pF

SILICON

100 V

MATTE TIN

SINGLE

R-PSIP-W3

1

Not Qualified

e3

10

260

CECC

ZTX758STOB

Zetex Plc

PNP

SINGLE

NO

50 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

.5 V

WIRE

RECTANGULAR

1

3

IN-LINE

40

200 Cel

SILICON

400 V

MATTE TIN

SINGLE

R-PSIP-W3

1

Not Qualified

e3

10

260

ZTX795ASTOA

Zetex Plc

PNP

SINGLE

NO

100 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

.3 V

WIRE

RECTANGULAR

1

3

IN-LINE

100

200 Cel

SILICON

140 V

MATTE TIN

SINGLE

R-PSIP-W3

1

Not Qualified

e3

10

260

BCX38CSTOB

Zetex Plc

NPN

DARLINGTON

NO

.8 A

PLASTIC/EPOXY

SWITCHING

1.25 V

WIRE

RECTANGULAR

1

3

IN-LINE

2 W

10000

200 Cel

SILICON

60 V

MATTE TIN

SINGLE

R-PSIP-W3

1

Not Qualified

e3

2SC1741ASTPQ

ROHM

NPN

SINGLE

NO

250 MHz

.3 W

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

120

150 Cel

SILICON

50 V

TIN SILVER COPPER

SINGLE

R-PSIP-T3

Not Qualified

e1

BF494D27Z

National Semiconductor

NPN

SINGLE

NO

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

65

SILICON

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

BF494D74Z

National Semiconductor

NPN

SINGLE

NO

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

65

SILICON

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

2N3859AD75Z

Fairchild Semiconductor

NPN

SINGLE

NO

90 MHz

.2 W

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

60 V

Matte Tin (Sn)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

ZTX1053ASTZ

Zetex Plc

NPN

SINGLE

NO

140 MHz

3 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

100

SILICON

75 V

MATTE TIN

BOTTOM

O-PBCY-W3

1

Not Qualified

e3

10

260

PN4249D74Z

Fairchild Semiconductor

PNP

SINGLE

NO

.6 W

.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

60 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MAT12AHZ

Analog Devices

NPN

SEPARATE, 2 ELEMENTS WITH BUILT-IN DIODE

NO

200 MHz

.02 A

METAL

AMPLIFIER

WIRE

ROUND

2

6

CYLINDRICAL

Other Transistors

300

150 Cel

SILICON

40 V

BOTTOM

O-MBCY-W6

SUBSTRATE

Not Qualified

LOW NOISE

NOT SPECIFIED

NOT SPECIFIED

DTC114ESATP

ROHM

NPN

SINGLE WITH BUILT-IN RESISTOR

NO

250 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

BIP General Purpose Small Signal

30

150 Cel

SILICON

50 V

SINGLE

R-PSIP-T3

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

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