.8 W Small Signal Bipolar Junction Transistors (BJT) 245

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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

KSC2310R

Onsemi

NPN

SINGLE

NO

100 MHz

.8 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.8 W

40

150 Cel

5 pF

SILICON

150 V

BOTTOM

O-PBCY-T3

TO-92

KSD471ACYBU

Onsemi

NPN

SINGLE

NO

130 MHz

.8 W

1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

150 Cel

SILICON

30 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

JAN2N2219

Onsemi

NPN

SINGLE

NO

250 MHz

.8 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

75

200 Cel

SILICON

30 V

40 ns

250 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

MIL-19500/251L

KSD471A-C

Onsemi

NPN

SINGLE

NO

130 MHz

.8 W

1 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.8 W

120

150 Cel

16 pF

SILICON

30 V

BOTTOM

O-PBCY-T3

TO-92

BF423RL1

Onsemi

PNP

SINGLE

NO

60 MHz

.8 W

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

250 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

KSC2310Y

Onsemi

NPN

SINGLE

NO

100 MHz

.8 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.8 W

120

150 Cel

5 pF

SILICON

150 V

BOTTOM

O-PBCY-T3

TO-92

KSC1009YTA-C

Onsemi

NPN

SINGLE

NO

50 MHz

.8 W

.7 A

PLASTIC/EPOXY

AMPLIFIER

.7 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.8 W

120

150 Cel

SILICON

140 V

BOTTOM

O-PBCY-T3

TO-92

KSD471AYTA

Onsemi

NPN

SINGLE

NO

130 MHz

.8 W

1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

150 Cel

SILICON

30 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

KSD471A-Y

Onsemi

NPN

SINGLE

NO

130 MHz

.8 W

1 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.8 W

120

150 Cel

16 pF

SILICON

30 V

BOTTOM

O-PBCY-T3

TO-92

KSD471A-Y-C

Onsemi

NPN

SINGLE

NO

130 MHz

.8 W

1 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.8 W

120

150 Cel

SILICON

30 V

BOTTOM

O-PBCY-T3

TO-92

NSS3005NZTAG

Onsemi

PNP

SINGLE WITH BUILT-IN FET AND DIODE

YES

.8 W

.5 A

PLASTIC/EPOXY

.4 V

NO LEAD

SQUARE

1

6

SMALL OUTLINE

20

150 Cel

SILICON

30 V

-55 Cel

DUAL

S-PDSO-N6

NOT SPECIFIED

NOT SPECIFIED

BF420RL1

Onsemi

NPN

SINGLE

NO

60 MHz

.8 W

.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

300 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

235

KSC1008GTA

Onsemi

NPN

SINGLE

NO

50 MHz

.8 W

.7 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

60 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BF421ZL1

Onsemi

PNP

SINGLE

NO

60 MHz

.8 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

300 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

235

KSB564A

Onsemi

PNP

SINGLE

NO

110 MHz

.8 W

1 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.8 W

70

150 Cel

SILICON

25 V

BOTTOM

O-PBCY-T3

TO-92

BC369ZL1

Onsemi

PNP

SINGLE

NO

65 MHz

.8 W

1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

85

150 Cel

SILICON

20 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

235

BF423

Onsemi

PNP

SINGLE

NO

60 MHz

.8 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

50

150 Cel

SILICON

250 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

KSC1008OBU

Onsemi

NPN

SINGLE

NO

50 MHz

.8 W

.7 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

70

150 Cel

SILICON

60 V

Tin (Sn)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

PZT651T1

Onsemi

NPN

SINGLE

YES

75 MHz

.8 W

2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

60 V

TIN LEAD

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

TO-261AA

e0

235

PZT651T3G

Onsemi

NPN

SINGLE

YES

75 MHz

.8 W

2 A

PLASTIC/EPOXY

.5 V

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

40

150 Cel

SILICON

60 V

DUAL

R-PDSO-G4

COLLECTOR

Not Qualified

TO-261AA

NOT SPECIFIED

NOT SPECIFIED

KSC2310O

Onsemi

NPN

SINGLE

NO

100 MHz

.8 W

.05 A

PLASTIC/EPOXY

AMPLIFIER

.5 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.8 W

70

150 Cel

5 pF

SILICON

150 V

BOTTOM

O-PBCY-T3

TO-92

KSD471AYBU

Onsemi

NPN

SINGLE

NO

130 MHz

.8 W

1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

150 Cel

SILICON

30 V

Tin (Sn)

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

JANTX2N2219

Onsemi

NPN

SINGLE

NO

250 MHz

.8 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

75

200 Cel

SILICON

30 V

40 ns

250 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

MIL-19500/251L

BC636ZL1

Onsemi

PNP

SINGLE

NO

150 MHz

.8 W

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

45 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

235

KSA708Y

Onsemi

PNP

SINGLE

NO

50 MHz

.8 W

.7 A

PLASTIC/EPOXY

SWITCHING

.7 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.8 W

120

150 Cel

13 pF

SILICON

60 V

BOTTOM

O-PBCY-T3

TO-92

KSA708O

Onsemi

PNP

SINGLE

NO

50 MHz

.8 W

.7 A

PLASTIC/EPOXY

SWITCHING

.7 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.8 W

70

150 Cel

13 pF

SILICON

60 V

BOTTOM

O-PBCY-T3

TO-92

2N2925

Onsemi

NPN

SINGLE

NO

160 MHz

.8 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

.3 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

235

150 Cel

10 pF

SILICON

25 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

KSA708YBU

Onsemi

PNP

SINGLE

NO

50 MHz

.8 W

.7 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

150 Cel

SILICON

60 V

TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

JANTXV2N2219A

Onsemi

NPN

SINGLE

NO

300 MHz

.8 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

200 Cel

SILICON

50 V

35 ns

300 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

MIL-19500/251L

BC637

Onsemi

NPN

SINGLE

NO

200 MHz

.8 W

1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

60 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

KSA708-C

Onsemi

PNP

SINGLE

NO

50 MHz

.8 W

.7 A

PLASTIC/EPOXY

SWITCHING

.7 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.8 W

40

150 Cel

SILICON

60 V

BOTTOM

O-PBCY-T3

TO-92

JANTXV2N2219

Onsemi

NPN

SINGLE

NO

250 MHz

.8 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

75

200 Cel

SILICON

30 V

40 ns

250 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

MIL-19500/251L

JANTXV2N2219AL

Onsemi

NPN

SINGLE

NO

.8 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

200 Cel

SILICON

50 V

35 ns

300 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

MIL-19500/251L

BC639-16ZL1

Onsemi

NPN

SINGLE

NO

200 MHz

.8 W

1 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

150 Cel

SILICON

80 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

235

JANTXV2N4033

Onsemi

PNP

SINGLE

NO

150 MHz

.8 W

1 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

175 Cel

SILICON

80 V

15 ns

25 ns

BOTTOM

O-MBCY-W3

Not Qualified

TO-205AD

MIL

KSA708R

Onsemi

PNP

SINGLE

NO

50 MHz

.8 W

.7 A

PLASTIC/EPOXY

SWITCHING

.7 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.8 W

40

150 Cel

13 pF

SILICON

60 V

BOTTOM

O-PBCY-T3

TO-92

PZT751T1

Onsemi

PNP

SINGLE

YES

75 MHz

.8 W

2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

60 V

TIN LEAD

DUAL

R-PDSO-G4

1

COLLECTOR

Not Qualified

TO-261AA

e0

235

BC638

Onsemi

PNP

SINGLE

NO

150 MHz

.8 W

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

60 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e0

235

KSA708

Onsemi

PNP

SINGLE

NO

50 MHz

.8 W

.7 A

PLASTIC/EPOXY

SWITCHING

.7 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.8 W

40

150 Cel

13 pF

SILICON

60 V

BOTTOM

O-PBCY-T3

TO-92

PZT751T3

Onsemi

PNP

SINGLE

YES

75 MHz

.8 W

2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

4

SMALL OUTLINE

Other Transistors

40

150 Cel

SILICON

60 V

TIN LEAD

DUAL

R-PDSO-G4

COLLECTOR

Not Qualified

TO-261AA

e0

JANTX2N2219AL

Onsemi

NPN

SINGLE

NO

.8 W

.8 A

METAL

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

Other Transistors

100

200 Cel

SILICON

50 V

35 ns

300 ns

BOTTOM

O-MBCY-W3

COLLECTOR

Not Qualified

TO-5

MIL-19500/251L

KSA708Y-C

Onsemi

PNP

SINGLE

NO

50 MHz

.8 W

.7 A

PLASTIC/EPOXY

SWITCHING

.7 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.8 W

120

150 Cel

SILICON

60 V

BOTTOM

O-PBCY-T3

TO-92

KSA708O-C

Onsemi

PNP

SINGLE

NO

50 MHz

.8 W

.7 A

PLASTIC/EPOXY

SWITCHING

.7 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.8 W

70

150 Cel

SILICON

60 V

BOTTOM

O-PBCY-T3

TO-92

KSA708R-C

Onsemi

PNP

SINGLE

NO

50 MHz

.8 W

.7 A

PLASTIC/EPOXY

SWITCHING

.7 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

.8 W

40

150 Cel

SILICON

60 V

BOTTOM

O-PBCY-T3

TO-92

BC638ZL1

Onsemi

PNP

SINGLE

NO

150 MHz

.8 W

.5 A

PLASTIC/EPOXY

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

60 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

EUROPEAN PART NUMBER

TO-92

e0

235

KSA708CYTA

Onsemi

PNP

SINGLE

NO

50 MHz

.8 W

.7 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

150 Cel

SILICON

60 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

BC636TA

Onsemi

PNP

SINGLE

NO

100 MHz

.8 W

1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

25

150 Cel

SILICON

45 V

MATTE TIN

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e3

KSA708YTA

Onsemi

PNP

SINGLE

NO

50 MHz

.8 W

.7 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

120

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