1 A Small Signal Bipolar Junction Transistors (BJT) 2,400+

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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

JANTX2N3439UA

Microchip Technology

NPN

SINGLE

YES

5 W

1 A

CERAMIC, METAL-SEALED COFIRED

NO LEAD

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

40

200 Cel

SILICON

350 V

1000 ns

10000 ns

GOLD OVER NICKEL

DUAL

R-CDSO-N4

COLLECTOR

Qualified

e4

MIL-19500

MMBT489LT1G

Onsemi

NPN

SINGLE

YES

100 MHz

.71 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

30 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

PBSS5140T/ZLR

Nexperia

PNP

SINGLE

YES

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

160

SILICON

40 V

DUAL

R-PDSO-G3

TO-236AB

NOT SPECIFIED

NOT SPECIFIED

PMMT591A

NXP Semiconductors

PNP

SINGLE

YES

150 MHz

.25 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

160

150 Cel

SILICON

40 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

ZTX451L

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

10

SILICON

60 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

NOT SPECIFIED

NOT SPECIFIED

CECC

ZTX451M1

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

10

SILICON

60 V

SINGLE

R-PSSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

ZTX451STOA

Diodes Incorporated

NPN

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

10

SILICON

60 V

MATTE TIN

SINGLE

R-PSIP-W3

1

Not Qualified

e3

260

CECC

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

BCX55,115

NXP Semiconductors

NPN

SINGLE

YES

130 MHz

1 W

1 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

60 V

TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

TO-243AA

e3

30

260

DSS4160U-7

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

.4 W

1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

DSS4160V-7

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

.6 W

1 A

PLASTIC/EPOXY

FLAT

RECTANGULAR

1

6

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-F6

1

Not Qualified

e3

30

260

FMMT549ATA

Diodes Incorporated

PNP

SINGLE

YES

100 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

150

SILICON

30 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

FMMT591A

Diodes Incorporated

PNP

SINGLE

YES

150 MHz

.5 W

1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

FMMT591TA

Diodes Incorporated

PNP

SINGLE

YES

150 MHz

.5 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

15

150 Cel

SILICON

60 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

JANSR2N3439UA

Microchip Technology

NPN

SINGLE

YES

.8 W

1 A

CERAMIC, METAL-SEALED COFIRED

NO LEAD

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

40

200 Cel

SILICON

350 V

1000 ns

10000 ns

DUAL

R-CDSO-N4

COLLECTOR

Qualified

MIL-19500; RH - 100K Rad(Si)

UFMMT591TA

Diodes Incorporated

PNP

SINGLE

YES

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

15

SILICON

60 V

DUAL

R-PDSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

ZTX455

Diodes Incorporated

NPN

SINGLE

NO

100 MHz

1 W

1 A

PLASTIC/EPOXY

WIRE

RECTANGULAR

1

3

IN-LINE

Other Transistors

100

200 Cel

SILICON

140 V

MATTE TIN

SINGLE

R-PSIP-W3

1

Not Qualified

e3

30

260

BCP51-16

NXP Semiconductors

PNP

SINGLE

YES

115 MHz

1.5 W

1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

1.5 W

100

150 Cel

SILICON

45 V

Tin (Sn)

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

e3

30

260

BCX52-10,115

NXP Semiconductors

PNP

SINGLE

YES

145 MHz

1 W

1 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

63

150 Cel

SILICON

60 V

TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

TO-243

e3

30

260

BCX55-16

NXP Semiconductors

NPN

SINGLE

YES

130 MHz

1 W

1 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

60 V

Tin (Sn)

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

TO-243

e3

30

260

BSP62

NXP Semiconductors

PNP

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

YES

200 MHz

1.5 W

1 A

PLASTIC/EPOXY

SWITCHING

1.3 V

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

1.5 W

2000

150 Cel

SILICON

80 V

Tin (Sn)

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

e3

30

260

BSP62H6327XTSA1

Infineon Technologies

PNP

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

YES

200 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

2000

SILICON

80 V

400 ns

1500 ns

TIN

DUAL

R-PDSO-G4

1

COLLECTOR

e3

DTDG14GPT100

ROHM

NPN

SINGLE

YES

80 MHz

2 W

1 A

PLASTIC/EPOXY

SWITCHING

.4 V

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signals

2 W

300

150 Cel

SILICON

70 V

TIN COPPER

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

BUILT-IN BIAS RESISTOR

e2

10

260

FMMT494TA

Diodes Incorporated

NPN

SINGLE

YES

100 MHz

.5 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20

150 Cel

SILICON

120 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

JAN2N3440UA

Microchip Technology

NPN

SINGLE

YES

5 W

1 A

CERAMIC, METAL-SEALED COFIRED

NO LEAD

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

40

200 Cel

SILICON

250 V

1000 ns

10000 ns

GOLD OVER NICKEL

DUAL

R-CDSO-N4

COLLECTOR

Qualified

e4

MIL-19500

PBHV8115T,215

NXP Semiconductors

NPN

SINGLE

YES

30 MHz

.3 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

10

150 Cel

SILICON

150 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

ZTX603

Diodes Incorporated

NPN

DARLINGTON

NO

150 MHz

1 W

1 A

PLASTIC/EPOXY

WIRE

RECTANGULAR

1

3

IN-LINE

Other Transistors

2000

200 Cel

SILICON

80 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

ZTX705STOA

Diodes Incorporated

PNP

DARLINGTON

NO

160 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

2000

SILICON

120 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

10

260

CECC

2N3439PBFREE

Central Semiconductor

NPN

SINGLE

NO

15 MHz

1 W

1 A

METAL

.5 V

WIRE

ROUND

1

3

CYLINDRICAL

1 W

30

200 Cel

10 pF

SILICON

350 V

-65 Cel

MATTE TIN OVER NICKEL

BOTTOM

O-MBCY-W3

TO-39

e3

FMMT493

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

.5 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

20

150 Cel

SILICON

100 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

KSD1616YTA

Fairchild Semiconductor

NPN

SINGLE

NO

160 MHz

.75 W

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

135

150 Cel

SILICON

50 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

PBHV8115TLH,215

Nexperia

NPN

SINGLE

YES

30 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

60

SILICON

150 V

Tin (Sn)

DUAL

R-PDSO-G3

1

TO-236AB

e3

30

260

AEC-Q101; IEC-60134

BC53-16PASX

Nexperia

PNP

SINGLE

YES

145 MHz

1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

SQUARE

1

3

SMALL OUTLINE

100

SILICON

80 V

TIN

DUAL

S-PDSO-N3

1

COLLECTOR

e3

30

260

AEC-Q101; IEC-60134

BSP50H6327XTSA1

Infineon Technologies

NPN

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

YES

200 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

2000

SILICON

45 V

400 ns

1500 ns

TIN

DUAL

R-PDSO-G4

1

COLLECTOR

e3

FCX491TA

Diodes Incorporated

NPN

SINGLE

YES

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

100

150 Cel

SILICON

60 V

MATTE TIN

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e3

30

260

2SC2314E

Onsemi

NPN

SINGLE

NO

250 MHz

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

100

SILICON

45 V

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

SINGLE

R-PSFM-T3

Not Qualified

TO-126

e2

2SD2656T106

ROHM

NPN

SINGLE

YES

400 MHz

.2 W

1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

270

150 Cel

SILICON

30 V

TIN SILVER COPPER

DUAL

R-PDSO-G3

1

Not Qualified

e1

10

260

BCX56-10

NXP Semiconductors

NPN

SINGLE

YES

130 MHz

1 W

1 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

63

150 Cel

SILICON

80 V

Tin (Sn)

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

TO-243

e3

30

260

BCX56-10R1

Onsemi

NPN

SINGLE

YES

130 MHz

1.56 W

1 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

25

150 Cel

SILICON

80 V

TIN LEAD

SINGLE

R-PSSO-F3

1

Not Qualified

e0

JANSM2N3440

Microchip Technology

NPN

SINGLE

NO

1 A

METAL

WIRE

ROUND

1

3

CYLINDRICAL

40

SILICON

250 V

1000 ns

10000 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Qualified

TO-205AD

MIL-19500; RH - 3K Rad(Si)

KSD1616GBU

Fairchild Semiconductor

NPN

SINGLE

NO

160 MHz

.75 W

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

50 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

KSD1616GTA

Fairchild Semiconductor

NPN

SINGLE

NO

160 MHz

.75 W

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

50 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

UFMMT591ATA

Diodes Incorporated

PNP

SINGLE

YES

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

300

SILICON

40 V

DUAL

R-PDSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

ZTX551STZ

Diodes Incorporated

PNP

SINGLE

NO

150 MHz

1 A

PLASTIC/EPOXY

SWITCHING

WIRE

RECTANGULAR

1

3

IN-LINE

10

SILICON

60 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

30

260

BC53PA,115

NXP Semiconductors

PNP

SINGLE

YES

145 MHz

1.65 W

1 A

PLASTIC/EPOXY

SWITCHING

NO LEAD

SQUARE

1

3

SMALL OUTLINE

Other Transistors

63

150 Cel

SILICON

80 V

TIN

DUAL

S-PDSO-N3

1

COLLECTOR

e3

30

260

AEC-Q101; IEC-60134

BCX56-16E6327

Infineon Technologies

NPN

SINGLE

YES

100 MHz

1 W

1 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

80 V

Matte Tin (Sn)

SINGLE

R-PSSO-F3

1

COLLECTOR

Not Qualified

e3

40

260

MPSW45AG

Onsemi

NPN

DARLINGTON

NO

100 MHz

1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

4000

150 Cel

SILICON

50 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

BC517RL1G

Onsemi

NPN

DARLINGTON

NO

200 MHz

1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

30000

150 Cel

SILICON

30 V

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e1

260

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