National Semiconductor RF Small Signal Bipolar Junction Transistors (BJT) 7

Reset All
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 VCEsat Minimum Power Gain (Gp) Terminal Form Package Shape No. of Elements Highest Frequency Band No. of Terminals Package Style (Meter) Sub-Category 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 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) Reference Standard

MMBTH81D87Z

National Semiconductor

PNP

SINGLE

YES

600 MHz

.05 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

VERY HIGH FREQUENCY BAND

3

SMALL OUTLINE

.85 pF

SILICON

20 V

DUAL

R-PDSO-G3

Not Qualified

TO-236AB

BFR92ALT1

National Semiconductor

NPN

YES

.273 W

.025 A

1

BIP RF Small Signal

40

SILICON

Tin/Lead (Sn/Pb)

e0

LM3146N

National Semiconductor

NPN

COMPLEX

NO

500 MHz

.05 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

RECTANGULAR

5

VERY HIGH FREQUENCY BAND

14

IN-LINE

30

85 Cel

SILICON

30 V

TIN LEAD

DUAL

R-PDIP-T14

Not Qualified

e0

LM3086M

National Semiconductor

NPN

COMPLEX

YES

550 MHz

.05 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

5

VERY HIGH FREQUENCY BAND

14

SMALL OUTLINE

40

85 Cel

SILICON

15 V

TIN LEAD

DUAL

R-PDSO-G14

Not Qualified

LOW NOISE

e0

LM3146M

National Semiconductor

NPN

COMPLEX

YES

500 MHz

.05 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

5

VERY HIGH FREQUENCY BAND

14

SMALL OUTLINE

30

85 Cel

SILICON

30 V

TIN LEAD

DUAL

R-PDSO-G14

Not Qualified

LOW NOISE

e0

PN5179/D26Z

National Semiconductor

NPN

SINGLE

NO

900 MHz

PLASTIC/EPOXY

AMPLIFIER

.4 V

15 dB

THROUGH-HOLE

ROUND

1

VERY HIGH FREQUENCY BAND

3

CYLINDRICAL

25

1 pF

SILICON

12 V

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

2N5771

National Semiconductor

PNP

SINGLE

NO

700 MHz

.625 W

.2 A

PLASTIC/EPOXY

SWITCHING

.6 V

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

3 pF

SILICON

15 V

15 ns

20 ns

Tin/Lead (Sn/Pb)

BOTTOM

O-PBCY-T3

Not Qualified

HIGH SPEED SATURATED SWITCHING

TO-92

e0

RF Small Signal Bipolar Junction Transistors (BJT)

RF Small Signal Bipolar Junction Transistors (BJT) are electronic devices used in low-power RF (radio frequency) applications to amplify and control small signals. They are commonly used in applications such as wireless communication, GPS, and radio broadcasting.

RF Small Signal BJTs are designed to handle low-power levels and operate at high frequencies, typically in the range of a few MHz to several GHz. They have a high gain and low noise figure, making them suitable for small signal amplification.

The RF 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.

RF Small Signal BJTs are available in various types and configurations, including NPN and PNP bipolar transistors, and can handle power levels ranging from a few milliwatts to a few watts. They are subject to various standards and regulations, such as JEDEC (Joint Electron Device Engineering Council) and RoHS (Restriction of Hazardous Substances), to ensure their safety and performance.