.31 W Small Signal Bipolar Junction Transistors (BJT) 145

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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

BC817-40-7-F

Diodes Incorporated

NPN

SINGLE

YES

100 MHz

.31 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

170

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

HIGH RELIABILITY

e3

30

260

BC817-25-7-F

Diodes Incorporated

NPN

SINGLE

YES

100 MHz

.31 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

HIGH RELIABILITY

e3

30

260

BC807-40-7-F

Diodes Incorporated

PNP

SINGLE

YES

100 MHz

.31 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

170

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

HIGH RELIABILITY

e3

30

260

BC857BMTF

Onsemi

PNP

SINGLE

YES

150 MHz

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

.65 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

6 pF

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BC807-25-7-F

Diodes Incorporated

PNP

SINGLE

YES

100 MHz

.31 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

HIGH RELIABILITY

e3

30

260

BC817-16-7-F

Diodes Incorporated

NPN

SINGLE

YES

100 MHz

.31 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

60

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

HIGH RELIABILITY

e3

30

260

BC856BMTF

Onsemi

PNP

SINGLE

YES

150 MHz

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

.65 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

6 pF

SILICON

65 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

SMUN5211T1G

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

35

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

BUILT IN BIAS RESISTOR RATIO IS 1

e3

NOT SPECIFIED

NOT SPECIFIED

AEC-Q101

BC856CMTF

Onsemi

PNP

SINGLE

YES

150 MHz

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

.65 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

420

150 Cel

6 pF

SILICON

65 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

MUN5211T1G

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

35

150 Cel

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

e3

40

260

BC846CMTF

Onsemi

NPN

SINGLE

YES

300 MHz

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

420

150 Cel

SILICON

65 V

Tin (Sn)

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

MUN5214T1G

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

80

150 Cel

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 4.7

e3

40

260

SMUN5214T1G

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

80

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

BUILT IN BIAS RESISTANCE RATIO IS 4.7

e3

NOT SPECIFIED

NOT SPECIFIED

AEC-Q101

SMUN5233T1G

Onsemi

NPN

YES

.31 W

.1 A

1

BIP General Purpose Small Signal

80

SILICON

MATTE TIN

1

e3

30

260

MUN5233T1G

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

80

150 Cel

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 10

e3

40

260

LMUN5211T1G

Leshan Radio

NPN

YES

.31 W

.1 A

1

BIP General Purpose Small Signal

35

SILICON

NOT SPECIFIED

NOT SPECIFIED

BC807-16-7-F

Diodes Incorporated

PNP

SINGLE

YES

100 MHz

.31 W

.5 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

60

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

HIGH RELIABILITY

e3

30

260

LMUN5214T1G

Leshan Radio

NPN

YES

.31 W

.1 A

1

BIP General Purpose Small Signal

80

SILICON

MUN5111T1G

Onsemi

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

35

150 Cel

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

e3

40

260

BC860BMTF

Onsemi

PNP

SINGLE

YES

150 MHz

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

.65 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

200

150 Cel

6 pF

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

e3

30

260

LMUN5233T1G

Leshan Radio

NPN

YES

.31 W

.1 A

1

BIP General Purpose Small Signal

80

SILICON

NOT SPECIFIED

NOT SPECIFIED

SMUN5111T1G

Onsemi

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

35

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

BUILT IN BIAS RESISTANCE RATIO IS 1

e3

NOT SPECIFIED

NOT SPECIFIED

AEC-Q101

BC857AMTF

Onsemi

PNP

SINGLE

YES

150 MHz

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

.65 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

110

150 Cel

6 pF

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

LMUN5111T1G

Leshan Radio

PNP

YES

.31 W

.1 A

1

BIP General Purpose Small Signal

35

SILICON

NOT SPECIFIED

NOT SPECIFIED

SMUN5211T3G

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

35

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

BUILT IN BIAS RESISTOR RATIO IS 1

e3

NOT SPECIFIED

NOT SPECIFIED

AEC-Q101

MUN5112T1G

Onsemi

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

60

150 Cel

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

e3

40

260

MMBT589LT1G

Onsemi

PNP

SINGLE

YES

100 MHz

.31 W

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

30 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e3

30

260

BC850AMTF

Onsemi

NPN

SINGLE

YES

300 MHz

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

110

150 Cel

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

e3

30

260

BC857B-T

Micro Commercial Components

SINGLE

YES

200 MHz

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

220

150 Cel

3 pF

SILICON

45 V

-55 Cel

TIN LEAD

DUAL

R-PDSO-G3

1

e0

30

240

MIL-STD-202

BF820,215

NXP Semiconductors

NPN

SINGLE

YES

60 MHz

.31 W

.05 A

PLASTIC/EPOXY

.6 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

50

150 Cel

1.6 pF

SILICON

300 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

MPS3827

Onsemi

NPN

SINGLE

NO

200 MHz

.31 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

45 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

SMUN5212T1G

Onsemi

NPN

YES

.31 W

.1 A

1

BIP General Purpose Small Signal

60

SILICON

MATTE TIN

1

e3

30

260

MUN5215T1G

Onsemi

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

160

150 Cel

SILICON

50 V

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR

e3

40

260

ADTA124ECAQ-7

Diodes Incorporated

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.31 W

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

56

150 Cel

SILICON

-55 Cel

MATTE TIN

DUAL

R-PDSO-G3

HIGH RELIABILITY

e3

260

AEC-Q101

A5T4124

Texas Instruments

NPN

SINGLE

NO

300 MHz

.31 W

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

135 Cel

SILICON

25 V

22 ns

32 ns

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

A5T4125

Texas Instruments

PNP

SINGLE

NO

200 MHz

.31 W

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

135 Cel

SILICON

30 V

26 ns

82 ns

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

A5T4123

Texas Instruments

NPN

SINGLE

NO

250 MHz

.31 W

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

135 Cel

SILICON

30 V

22 ns

32 ns

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

A5T4126

Texas Instruments

PNP

SINGLE

NO

250 MHz

.31 W

.2 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

135 Cel

SILICON

25 V

26 ns

82 ns

BOTTOM

O-PBCY-W3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

MPS2716

Onsemi

NPN

SINGLE

NO

100 MHz

.31 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

75

150 Cel

SILICON

18 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

BF368

Onsemi

NPN

SINGLE

NO

250 MHz

.31 W

.05 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

35

135 Cel

SILICON

15 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

2N4264

Onsemi

NPN

SINGLE

NO

300 MHz

.31 W

.2 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

135 Cel

SILICON

15 V

25 ns

35 ns

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

BC860AMTF

Onsemi

PNP

SINGLE

YES

150 MHz

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

.65 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

110

150 Cel

6 pF

SILICON

45 V

DUAL

R-PDSO-G3

LOW NOISE

MPS9624

Onsemi

NPN

SINGLE

NO

100 MHz

.31 W

.05 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

SILICON

30 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

BC860CMTF

Onsemi

PNP

SINGLE

YES

150 MHz

.31 W

.1 A

PLASTIC/EPOXY

SWITCHING

.65 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

150 Cel

6 pF

SILICON

45 V

DUAL

R-PDSO-G3

LOW NOISE

MPS9625

Onsemi

NPN

SINGLE

NO

250 MHz

.31 W

.05 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

SILICON

12 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

MPS3721

Onsemi

NPN

SINGLE

NO

300 MHz

.31 W

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

60

150 Cel

SILICON

18 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e0

BF369

Onsemi

NPN

SINGLE

NO

400 MHz

.31 W

.05 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

70

135 Cel

SILICON

20 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

MPS9623

Onsemi

NPN

SINGLE

NO

100 MHz

.31 W

.1 A

PLASTIC/EPOXY

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

SILICON

18 V

BOTTOM

O-PBCY-W3

Not Qualified

TO-92

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