1.5 A Small Signal Bipolar Junction Transistors (BJT) 491

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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

2SD1978RR

Renesas Electronics

NPN

DARLINGTON

NO

1.5 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

2000

SILICON

120 V

BOTTOM

O-PBCY-W3

Not Qualified

2SB1028EMUL

Renesas Electronics

PNP

SINGLE

YES

200 MHz

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

160 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SB1027EJUL

Renesas Electronics

PNP

SINGLE

YES

200 MHz

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

120 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SD1420EATL

Renesas Electronics

NPN

SINGLE

YES

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

60

SILICON

120 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SB1027EK

Renesas Electronics

PNP

SINGLE

YES

1 W

1.5 A

PLASTIC/EPOXY

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

160

150 Cel

SINGLE

R-PSSO-F3

Not Qualified

2SD1978

Renesas Electronics

NPN

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

NO

.9 W

1.5 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

2000

150 Cel

SILICON

120 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

2SD1420EBUR

Renesas Electronics

NPN

SINGLE

YES

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

120 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SD1472CTTL

Renesas Electronics

NPN

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

YES

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

2000

SILICON

120 V

2000 ns

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SD1421EE

Renesas Electronics

NPN

SINGLE

YES

1 W

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

100

150 Cel

SILICON

160 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SB1028EMTL

Renesas Electronics

PNP

SINGLE

YES

200 MHz

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

160 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SB794-AZ

Renesas Electronics

PNP

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

NO

1 W

1.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

Other Transistors

2000

150 Cel

SILICON

60 V

SINGLE

R-PSFM-T3

COLLECTOR

Not Qualified

10

260

2SD1420EBTR

Renesas Electronics

NPN

SINGLE

YES

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

120 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SB794-K-AZ

Renesas Electronics

PNP

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

NO

1.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

8000

SILICON

60 V

SINGLE

R-PSFM-T3

COLLECTOR

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2SD1472CT

Renesas Electronics

NPN

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

YES

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

2000

SILICON

120 V

2000 ns

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SB1093K

Renesas Electronics

PNP

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

NO

80 MHz

1 W

1.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

8000

150 Cel

SILICON

80 V

TIN LEAD

SINGLE

R-PSIP-T3

Not Qualified

e0

2SB1027EJTR

Renesas Electronics

PNP

SINGLE

YES

200 MHz

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

120 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SB795-K

Renesas Electronics

PNP

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

NO

10 W

1.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

Other Transistors

8000

140 Cel

SILICON

80 V

TIN LEAD

SINGLE

R-PSFM-T3

COLLECTOR

Not Qualified

e0

2SB1028ELUR

Renesas Electronics

PNP

SINGLE

YES

200 MHz

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

60

SILICON

160 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SB794-K

Renesas Electronics

PNP

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

NO

10 W

1.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

Other Transistors

8000

140 Cel

SILICON

60 V

TIN LEAD

SINGLE

R-PSFM-T3

COLLECTOR

Not Qualified

e0

2SD1420EAUR

Renesas Electronics

NPN

SINGLE

YES

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

60

SILICON

120 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SB1027EKTL

Renesas Electronics

PNP

SINGLE

YES

200 MHz

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

160

SILICON

120 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SB1027EKUR

Renesas Electronics

PNP

SINGLE

YES

200 MHz

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

160

SILICON

120 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SB1027EHUL

Renesas Electronics

PNP

SINGLE

YES

200 MHz

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

60

SILICON

120 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SB1028ELUL

Renesas Electronics

PNP

SINGLE

YES

200 MHz

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

60

SILICON

160 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SB1027EHTL

Renesas Electronics

PNP

SINGLE

YES

200 MHz

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

60

SILICON

120 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SB1387RF

Renesas Electronics

PNP

DARLINGTON

NO

1.5 A

PLASTIC/EPOXY

SWITCHING

WIRE

ROUND

1

3

CYLINDRICAL

2000

SILICON

120 V

BOTTOM

O-PBCY-W3

Not Qualified

2SB1028

Renesas Electronics

PNP

SINGLE

YES

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

30

150 Cel

SILICON

160 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SD1421EEUR

Renesas Electronics

NPN

SINGLE

YES

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

160 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SD1421EDUL

Renesas Electronics

NPN

SINGLE

YES

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

60

SILICON

160 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SB795-L-AZ

Renesas Electronics

PNP

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

NO

1.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

4000

SILICON

80 V

SINGLE

R-PSFM-T3

COLLECTOR

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2SB1027EHTR

Renesas Electronics

PNP

SINGLE

YES

200 MHz

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

60

SILICON

120 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SB1028EMUR

Renesas Electronics

PNP

SINGLE

YES

200 MHz

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

160 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SD1421

Renesas Electronics

NPN

SINGLE

YES

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

30

150 Cel

SILICON

160 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SD1421EETR

Renesas Electronics

NPN

SINGLE

YES

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

160 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SB1027EH

Renesas Electronics

PNP

SINGLE

YES

1 W

1.5 A

PLASTIC/EPOXY

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

60

150 Cel

SINGLE

R-PSSO-F3

Not Qualified

2SD1420

Renesas Electronics

NPN

SINGLE

YES

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

30

150 Cel

SILICON

120 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SB1093L-AZ

Renesas Electronics

PNP

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

NO

80 MHz

1.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

4000

SILICON

80 V

SINGLE

R-PSIP-T3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2SB1093-AZ

Renesas Electronics

PNP

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

NO

80 MHz

1.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

2000

SILICON

80 V

SINGLE

R-PSIP-T3

Not Qualified

10

260

2SB1093K-AZ

Renesas Electronics

PNP

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

NO

80 MHz

1.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

8000

SILICON

80 V

SINGLE

R-PSIP-T3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2SB1028ELTR

Renesas Electronics

PNP

SINGLE

YES

200 MHz

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

60

SILICON

160 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SD1420EAUL

Renesas Electronics

NPN

SINGLE

YES

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

60

SILICON

120 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SB795-M-AZ

Renesas Electronics

PNP

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

NO

1.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

2000

SILICON

80 V

SINGLE

R-PSFM-T3

COLLECTOR

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2SB1093L

Renesas Electronics

PNP

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

NO

80 MHz

1 W

1.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

IN-LINE

Other Transistors

4000

150 Cel

SILICON

80 V

TIN LEAD

SINGLE

R-PSIP-T3

Not Qualified

e0

2SB795-K-AZ

Renesas Electronics

PNP

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

NO

1.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

8000

SILICON

80 V

SINGLE

R-PSFM-T3

COLLECTOR

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

2SB794-M

Renesas Electronics

PNP

DARLINGTON WITH BUILT-IN DIODE AND RESISTOR

NO

10 W

1.5 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

RECTANGULAR

1

3

FLANGE MOUNT

Other Transistors

2000

140 Cel

SILICON

60 V

TIN LEAD

SINGLE

R-PSFM-T3

COLLECTOR

Not Qualified

e0

2SD1420EBUL

Renesas Electronics

NPN

SINGLE

YES

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

100

SILICON

120 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SD1420ECTR

Renesas Electronics

NPN

SINGLE

YES

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

160

SILICON

120 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

2SB1028EL

Renesas Electronics

PNP

SINGLE

YES

1 W

1.5 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

60

150 Cel

SILICON

160 V

SINGLE

R-PSSO-F3

COLLECTOR

Not Qualified

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