Small Signal Bipolar Junction Transistors (BJT)

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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

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

BCX70KT216

ROHM

NPN

SINGLE

YES

125 MHz

.2 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

380

150 Cel

4.5 pF

SILICON

45 V

DUAL

R-PDSO-G3

Not Qualified

LOW NOISE

DTD143ECT216

ROHM

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

200 MHz

.5 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

47

150 Cel

SILICON

50 V

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

DUAL

R-PDSO-G3

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

e1

10

260

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

BCW72T116

ROHM

NPN

SINGLE

YES

300 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

200

150 Cel

4 pF

SILICON

45 V

DUAL

R-PDSO-G3

Not Qualified

LOW NOISE

BCW60CT116

ROHM

NPN

SINGLE

YES

125 MHz

.2 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

260

150 Cel

4.5 pF

SILICON

32 V

DUAL

R-PDSO-G3

Not Qualified

LOW NOISE

BCX70JT116

ROHM

NPN

SINGLE

YES

125 MHz

.2 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

250

150 Cel

4.5 pF

SILICON

45 V

TIN SILVER COPPER

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

e1

10

260

BCX70KT116

ROHM

NPN

SINGLE

YES

125 MHz

.2 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

380

150 Cel

4.5 pF

SILICON

45 V

TIN SILVER COPPER

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

e1

10

260

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

MMDT2907AQ-7-F

Diodes Incorporated

PNP

SEPARATE, 2 ELEMENTS

YES

200 MHz

.2 W

.6 A

PLASTIC/EPOXY

SWITCHING

1.6 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

50

150 Cel

8 pF

SILICON

60 V

45 ns

-55 Cel

100 ns

MATTE TIN

DUAL

R-PDSO-G6

1

e3

30

260

AEC-Q101; IATF 16949

NSVMUN5113DW1T3G

Onsemi

PNP

YES

.385 W

.1 A

2

BIP General Purpose Small Signal

80

SILICON

MATTE TIN

1

e3

30

260

NSVMMBT5088LT3G

Onsemi

NPN

SINGLE

YES

50 MHz

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

300

SILICON

30 V

MATTE TIN

DUAL

R-PDSO-G3

1

TO-236AB

e3

30

260

AEC-Q101

ZXTN04120HP5TC

Diodes Incorporated

NPN

DARLINGTON

YES

150 MHz

1.5 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

500

SILICON

120 V

MATTE TIN

DUAL

R-PDSO-F3

1

COLLECTOR

HIGH RELIABILITY

e3

30

260

AEC-Q101

CPH3121-TL-E

Onsemi

PNP

SINGLE

YES

.9 W

3 A

1

Other Transistors

200

150 Cel

TIN BISMUTH

1

e6

30

260

RN6002

Toshiba

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

120 MHz

.5 W

2 A

PLASTIC/EPOXY

SWITCHING

.5 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

1 W

50

150 Cel

SILICON

30 V

TIN LEAD

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

BUILT IN BIAS RESISTOR

e0

RN2502

Toshiba

PNP

COMMON EMITTER, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

200 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

2

5

SMALL OUTLINE

BIP General Purpose Small Signal

50

150 Cel

6 pF

SILICON

50 V

DUAL

R-PDSO-G5

Not Qualified

BUILT-IN RESISTOR RATIO IS 1

NOT SPECIFIED

NOT SPECIFIED

BC807-16-7

Diodes Incorporated

PNP

SINGLE

YES

100 MHz

.31 W

.5 A

PLASTIC/EPOXY

SWITCHING

.7 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

60

150 Cel

12 pF

SILICON

45 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

e0

BC807-25-7

Diodes Incorporated

PNP

SINGLE

YES

100 MHz

.31 W

.5 A

PLASTIC/EPOXY

SWITCHING

.7 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

12 pF

SILICON

45 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

e0

BC807-40-7

Diodes Incorporated

PNP

SINGLE

YES

100 MHz

.31 W

.5 A

PLASTIC/EPOXY

SWITCHING

.7 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

170

150 Cel

12 pF

SILICON

45 V

TIN LEAD

DUAL

R-PDSO-G3

Not Qualified

e0

2SD2143TL

ROHM

NPN

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

YES

80 MHz

10 W

2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

2

SMALL OUTLINE

Other Transistors

10 W

1000

150 Cel

SILICON

70 V

TIN COPPER

SINGLE

R-PSSO-G2

1

COLLECTOR

Not Qualified

BUILT IN BIAS RESISTANCE RATIO IS 0.0857

e2

10

260

IMD3AT108

ROHM

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

250 MHz

.3 W

.05 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

30

150 Cel

SILICON

50 V

TIN SILVER COPPER

DUAL

R-PDSO-G6

1

Not Qualified

DIGITAL, BUILT-IN BIAS RESISTOR RATIO IS 1

e1

10

260

UMH6NTR

ROHM

NPN

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

250 MHz

.15 W

.03 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signals

68

150 Cel

SILICON

50 V

TIN COPPER

DUAL

R-PDSO-G6

1

Not Qualified

BUILT IN BIAS RESISTANCE RATIO IS 1.2

e2

10

260

IMX2T108

ROHM

NPN

SEPARATE, 2 ELEMENTS

YES

180 MHz

.3 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.4 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

120

150 Cel

SILICON

50 V

TIN SILVER COPPER

DUAL

R-PDSO-G6

1

Not Qualified

e1

10

260

IMX3T108

ROHM

NPN

SEPARATE, 2 ELEMENTS

YES

180 MHz

.3 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.4 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

120

150 Cel

SILICON

50 V

TIN SILVER COPPER

DUAL

R-PDSO-G6

1

Not Qualified

e1

10

260

UMX2NTR

ROHM

NPN

SEPARATE, 2 ELEMENTS

YES

180 MHz

.15 W

.15 A

PLASTIC/EPOXY

AMPLIFIER

.4 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

120

150 Cel

SILICON

50 V

TIN COPPER

DUAL

R-PDSO-G6

1

Not Qualified

e2

10

260

2SC4098T106P

ROHM

NPN

SINGLE

YES

300 MHz

.2 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

82

150 Cel

2.2 pF

SILICON

25 V

DUAL

R-PDSO-G3

1

Not Qualified

10

260

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

IMZ4T108

ROHM

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

250 MHz

.3 W

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

120

150 Cel

SILICON

32 V

TIN SILVER COPPER

DUAL

R-PDSO-G6

1

Not Qualified

e1

10

260

SO642

STMicroelectronics

NPN

SINGLE

YES

50 MHz

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

300 V

DUAL

R-PDSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

SO692

STMicroelectronics

PNP

SINGLE

YES

50 MHz

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

25

150 Cel

SILICON

300 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

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

2SA1797T100/Q

ROHM

PNP

SINGLE

YES

200 MHz

2 W

3 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

120

150 Cel

SILICON

50 V

Tin/Copper (Sn/Cu)

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

e2

10

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

2SB1181TL/Q

ROHM

PNP

SINGLE

YES

100 MHz

10 W

1 A

PLASTIC/EPOXY

SWITCHING

.4 V

GULL WING

RECTANGULAR

1

2

SMALL OUTLINE

Other Transistors

10 W

120

150 Cel

SILICON

80 V

TIN COPPER

SINGLE

R-PSSO-G2

COLLECTOR

Not Qualified

e2

10

260

DTA114YCAT116

ROHM

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.07 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

.2 W

68

150 Cel

SILICON

50 V

DUAL

R-PDSO-G3

1

Not Qualified

DIGITAL, BUILT-IN BIAS RESISTOR RATIO IS 4.7

10

260

DTA123ECAT116

ROHM

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

20

150 Cel

SILICON

50 V

DUAL

R-PDSO-G3

1

Not Qualified

DIGITAL, BUILT-IN BIAS RESISTOR RATIO IS 1

10

260

ULQ2003ADR

Texas Instruments

NPN

COMPLEX

YES

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

7

16

SMALL OUTLINE

SILICON

50 V

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

R-PDSO-G16

1

Not Qualified

LOGIC LEVEL COMPATIBLE

MS-012AC

e4

NOT SPECIFIED

260

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

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