Texas Instruments RF Power Bipolar Junction Transistors (BJT) 4

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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 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 Minimum Operating Temperature 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

2N3632

Texas Instruments

NPN

SINGLE

NO

175 MHz

23 W

3 A

CERAMIC, METAL-SEALED COFIRED

PIN/PEG

ROUND

1

VERY HIGH FREQUENCY BAND

3

POST/STUD MOUNT

Other Transistors

5

200 Cel

25 pF

SILICON

40 V

UPPER

O-CUPM-P3

Not Qualified

TO-60

2N4128

Texas Instruments

NPN

SINGLE

NO

400 MHz

40 W

5 A

UNSPECIFIED

FLAT

RECTANGULAR

1

VERY HIGH FREQUENCY BAND

4

POST/STUD MOUNT

Other Transistors

10

175 Cel

18 pF

SILICON

40 V

RADIAL

R-XRPM-F4

Not Qualified

TO-117

2N4041

Texas Instruments

NPN

SINGLE

YES

400 MHz

18 W

1 A

CERAMIC, METAL-SEALED COFIRED

FLAT

ROUND

1

4

DISK BUTTON

Other Transistors

10

175 Cel

SILICON

40 V

RADIAL

O-CRDB-F4

Not Qualified

TO-117

2N4440

Texas Instruments

NPN

SINGLE

NO

400 MHz

11 W

1.5 A

METAL

WIRE

ROUND

1

3

POST/STUD MOUNT

Other Transistors

10

175 Cel

SILICON

40 V

UPPER

O-MUPM-W3

Not Qualified

TO-60

RF Power Bipolar Junction Transistors (BJT)

RF Power Bipolar Junction Transistors (BJT) are electronic devices used in high-frequency RF (radio frequency) applications to amplify and control high-power signals. They are commonly used in applications such as broadcasting, radar, and satellite communications.

RF Power BJTs are designed to handle high-power levels and operate at high frequencies, typically in the range of a few MHz to several GHz. They have a low on-resistance and high gain, making them suitable for high-power amplification.

The RF Power 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 current flows through the base, allowing a larger current to flow from the emitter to the collector.

RF Power BJTs are available in various types and configurations, including NPN and PNP bipolar transistors, and can handle power levels ranging from a few watts to several kilowatts. 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.

Proper selection and use of RF Power BJTs are critical to ensure optimal performance, reliability, and compatibility with other components in the circuit. RF Power BJTs are often used in conjunction with other components, such as filters and matching networks, to form complete RF power amplification circuits.