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

BC846BW-QX

Nexperia

NPN

SINGLE

YES

100 MHz

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

.4 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

200

150 Cel

3 pF

SILICON

65 V

-65 Cel

DUAL

R-PDSO-G3

AEC-Q101; IEC-60134

BC848BLT1G

Onsemi

NPN

SINGLE

YES

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

4.5 pF

SILICON

30 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

TO-236

e3

40

260

JANS2N2905A

Microchip Technology

PNP

SINGLE

NO

200 MHz

.6 W

.6 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

200 Cel

SILICON

60 V

45 ns

300 ns

TIN LEAD

BOTTOM

O-MBCY-W3

COLLECTOR

Qualified

TO-205AD

e0

MIL-19500/290

BC848CE6327HTSA1

Infineon Technologies

NPN

SINGLE

YES

250 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

150 Cel

SILICON

30 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

PZT2222AT3G

Onsemi

NPN

SINGLE

YES

300 MHz

1.5 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

40 V

35 ns

285 ns

MATTE TIN

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

TO-261AA

e3

30

260

BC847BPN,125

NXP Semiconductors

NPN AND PNP

YES

100 MHz

.4 W

.1 A

BIP General Purpose Small Signal

200

150 Cel

TIN

1

e3

30

260

BC850CE6327HTSA1

Infineon Technologies

NPN

SINGLE

YES

250 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

e3

ULN2004ADRG4

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

BC847AWT1G

Onsemi

NPN

SINGLE

YES

100 MHz

.0024 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

110

150 Cel

SILICON

45 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BC850CLT1G

Onsemi

NPN

SINGLE

YES

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

420

150 Cel

4.5 pF

SILICON

45 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

TO-236

e3

40

260

BC548BBK

Diotec Semiconductor Ag

NPN

SINGLE

NO

300 MHz

.1 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

200

150 Cel

SILICON

30 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

LBC846BPDW1T1G

Leshan Radio

NPN AND PNP

YES

100 MHz

.38 W

.1 A

BIP General Purpose Small Signal

200

150 Cel

TIN

1

e3

260

MMBT5550LT1G

Onsemi

NPN

SINGLE

YES

200 MHz

.3 W

.6 A

PLASTIC/EPOXY

SWITCHING

.25 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

20

150 Cel

SILICON

140 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

SBC857BDW1T1G

Onsemi

PNP

SEPARATE, 2 ELEMENTS

YES

100 MHz

.38 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

220

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G6

1

e3

30

260

AEC-Q101

MMDT3904-7-F

Diodes Incorporated

NPN

SEPARATE, 2 ELEMENTS

YES

300 MHz

.2 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

250 ns

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

AEC-Q101

BC807-16LT1G

Onsemi

PNP

SINGLE

YES

100 MHz

.3 W

.5 A

PLASTIC/EPOXY

SWITCHING

.7 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

45 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

TO-236

e3

40

260

JANTX2N3700UB

Microchip Technology

NPN

SINGLE

YES

1 A

CERAMIC, METAL-SEALED COFIRED

SWITCHING

NO LEAD

RECTANGULAR

1

3

SMALL OUTLINE

15

200 Cel

SILICON

80 V

-65 Cel

TIN LEAD

DUAL

R-CDSO-N3

Qualified

HIGH RELIABILITY

e0

MIL-19500

SMBT2222A

Infineon Technologies

NPN

SINGLE

YES

300 MHz

.33 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

40 V

35 ns

285 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

40

260

BC847BPN-QH

Nexperia

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

100 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

200

150 Cel

2.2 pF

SILICON

45 V

-65 Cel

DUAL

R-PDSO-G6

AEC-Q101; IEC-60134

FMMT720TA

Diodes Incorporated

PNP

SINGLE

YES

190 MHz

.625 W

1.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

12

150 Cel

SILICON

40 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BC546BBK

Diotec Semiconductor Ag

NPN

SINGLE

NO

300 MHz

.1 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

200

150 Cel

SILICON

65 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

NOT SPECIFIED

NOT SPECIFIED

MMBTA92-7-F

Diodes Incorporated

PNP

SINGLE

YES

50 MHz

.3 W

.5 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

HIGH RELIABILITY

e3

30

260

PDTC114ET,235

NXP Semiconductors

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

100 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

30

150 Cel

3.5 pF

SILICON

50 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

TO-236AB

e3

30

260

BC807-40/A2,215

NXP Semiconductors

PNP

SINGLE

YES

1

Other Transistors

150 Cel

BC856AW,115

NXP Semiconductors

PNP

SINGLE

YES

100 MHz

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

.65 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

125

150 Cel

5 pF

SILICON

65 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

SPZT2907AT1G

Onsemi

PNP

SINGLE

YES

200 MHz

1.5 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

50

150 Cel

SILICON

60 V

45 ns

100 ns

MATTE TIN

DUAL

R-PDSO-G4

1

COLLECTOR

TO-261AA

e3

30

260

AEC-Q101

DTC114EKAT146

ROHM

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

.2 W

30

150 Cel

SILICON

50 V

TIN SILVER COPPER

DUAL

R-PDSO-G3

1

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

e1

10

260

JANTXV2N2905A

Texas Instruments

PNP

SINGLE

NO

.6 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

50

SILICON

60 V

45 ns

300 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-39

MMPQ2907A

Onsemi

PNP

SEPARATE, 4 ELEMENTS

YES

250 MHz

1 W

.6 A

PLASTIC/EPOXY

SWITCHING

1.6 V

GULL WING

RECTANGULAR

4

16

SMALL OUTLINE

Other Transistors

1 W

50

150 Cel

6 pF

SILICON

60 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G16

3

Not Qualified

MS-012AC

e3

30

260

PMBT2222AMB

Nexperia

TIN

1

e3

30

260

UFMMT458TA

Diodes Incorporated

NPN

SINGLE

YES

50 MHz

.225 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

400 V

DUAL

R-PDSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

BCP56TX

Nexperia

NPN

SINGLE

YES

155 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

63

SILICON

80 V

TIN

DUAL

R-PDSO-G4

1

COLLECTOR

e3

30

260

AEC-Q101; IEC-60134

NSVBC817-40WT1G

Onsemi

NPN

SINGLE

YES

100 MHz

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

40

SILICON

45 V

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

1

e3

30

260

AEC-Q101

BC32740TA

Onsemi

PNP

SINGLE

NO

100 MHz

.625 W

.8 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

170

150 Cel

SILICON

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC327-40T&A

Continental Device India

PNP

SINGLE

NO

100 MHz

.625 W

.8 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

170

150 Cel

SILICON

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

MMBT4401-13-F

Diodes Incorporated

NPN

SINGLE

YES

250 MHz

.35 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

40 V

35 ns

255 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

HIGH RELIABILITY

e3

30

260

MPSA06RA

Onsemi

NPN

SINGLE

NO

100 MHz

.625 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

80 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

LBC807-25LT1G

Leshan Radio

PNP

SINGLE

YES

100 MHz

.3 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

160

150 Cel

SILICON

45 V

Tin (Sn)

DUAL

R-PDSO-G3

e3

NOT SPECIFIED

NOT SPECIFIED

MUN5311DW1T1G

Onsemi

NPN AND PNP

SEPARATE, 2 ELEMENTS WITH BUILT-IN RESISTOR

YES

.385 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signal

35

150 Cel

SILICON

50 V

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO 1

e3

30

260

SBC857CLT1G

Onsemi

PNP

SINGLE

YES

100 MHz

.3 W

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

420

150 Cel

SILICON

45 V

-55 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

TO-236AB

e3

NOT SPECIFIED

NOT SPECIFIED

AEC-Q101

BC807-40/DG,215

NXP Semiconductors

PNP

SINGLE

YES

1

Other Transistors

150 Cel

BC847BPN-QF

Nexperia

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

100 MHz

.4 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

200

150 Cel

2.2 pF

SILICON

45 V

-65 Cel

DUAL

R-PDSO-G6

AEC-Q101; IEC-60134

BC846BW

NXP Semiconductors

NPN

SINGLE

YES

100 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

3 pF

SILICON

65 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

MMBTA06Q-7-F

Diodes Incorporated

NPN

SINGLE

YES

100 MHz

.35 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

80 V

MATTE TIN

DUAL

R-PDSO-G3

1

HIGH RELIABILITY

e3

30

260

AEC-Q101

STR2550

STMicroelectronics

PNP

SINGLE

YES

.5 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

10

150 Cel

SILICON

500 V

MATTE TIN

DUAL

R-PDSO-G3

1

e3

30

260

BCM857BS,115

NXP Semiconductors

PNP

SEPARATE, 2 ELEMENTS

YES

175 MHz

.3 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

45 V

TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

2N4401TFR

Onsemi

NPN

SINGLE

NO

250 MHz

.35 W

.6 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

40 V

35 ns

255 ns

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

NSVMMBT5401LT3G

Onsemi

PNP

SINGLE

YES

100 MHz

.5 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

50

SILICON

150 V

MATTE TIN

DUAL

R-PDSO-G3

1

TO-236AB

e3

30

260

AEC-Q101

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