BLF246B

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BLF246B

+Nomenclature

  • FabricantAmpleon

  • Pièce fabricant #BLF246B

  • En stock8524

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Spécifications

Attribut Valeur
Mounting Type SMD/SMT
Package / Case SOT-161A
Technology Si
Brand Ampleon
Product Type RF MOSFET Transistors
Subcategory MOSFETs
Vds - Drain - Source Breakdown Voltage 65 V
Id - Continuous Drain Current 8 A
Configuration Dual
Type RF Power MOSFET
Packaging Tube
Maximum Operating Temperature + 150 C
Minimum Operating Temperature - 65 C
Factory Pack Quantity 20
Transistor Polarity N-Channel
Rds On 750 mOhms
Operating Frequency 175 MHz
Gain 19 dB
Output Power 60 W
Channel Mode Enhancement
Height 7.27 mm
Length 24.97 mm
Vgs - Gate - Source Voltage + 20 V
Vgs th - Gate - Source Threshold Voltage 4.5 V
Width 16.81 mm
Part # Aliases BLF246B,112
Fall Time 40 ns
Rise Time 25 ns
Pd - Power Dissipation 130 W

Présentation

Description

The BLF246B is a high-power RF transistor designed for use in various applications, particularly in RF amplifiers and transmitters. It operates in the VHF/UHF frequency range and is known for its robust performance, high efficiency, and linearity. This N-channel MOSFET is capable of handling high power levels, making it suitable for industrial, scientific, and medical (ISM) applications.
With a maximum output power of around 100 watts, the BLF246B is utilized in communication systems, broadcasting, and radar technologies. Its design includes features like a low thermal resistance, allowing for effective heat dissipation, which enhances reliability and durability.
The transistor is typically packaged in a rugged metal can or plastic housing for improved thermal performance and ease of integration into various circuit configurations. Overall, the BLF246B stands out for its versatility, making it a popular choice among RF engineers and designers.

Equivalent

The BLF246B is a high-power RF transistor. Equivalent products include the BLF247, MRF177, MRF188, and MRFE6S920PT. Additionally, the NXP BLF242 and BLF248 can also be considered similar alternatives. Always check the specifications for compatibility based on frequency, power output, and application requirements.

Features

The BLF246B is a high-power, N-channel MOSFET designed primarily for RF and microwave applications. Here are its key features:
1. High Power Capability: Handles high voltages (up to 60V) and current levels (typically around 20A), making it suitable for power amplification.
2. Low RDS(on): Offers low on-resistance, which minimizes conduction losses and improves efficiency in power applications.
3. High Gain: Provides significant transconductance (gfs), facilitating effective amplification.
4. Wide Frequency Range: Operates efficiently over a broad frequency range, suitable for applications in RF circuits.
5. Thermal Stability: Designed with thermal characteristics that support reliable operation at elevated temperatures.
6. Package Options: Available in various packages, including TO-220, facilitating integration into different circuit designs.
7. Fast Switching Speed: Enables rapid switching capabilities, beneficial for pulsed applications.
These features make the BLF246B an excellent choice for linear and switching applications in RF amplifiers and other high-power circuits.

Pinout

The BLF246B is an N-channel MOSFET designed for RF power applications, particularly in the VHF and UHF frequency ranges. It typically comes in a standard package with a pin count of 4.
Pin Functions:
1. Gate (G): Controls the MOSFET operation; used to switch the device on or off.
2. Drain (D): The terminal through which the output current flows; it connects to the load.
3. Source (S): The terminal that connects to ground or a negative voltage; it serves as the reference for the gate voltage.
4. Case/Heatsink: Often connected to the source for thermal management.
The device is known for its high efficiency and robustness, making it suitable for use in amplifiers and RF transmitters.

Manufacturer

The BLF246B is manufactured by NXP Semiconductors, a global leader in semiconductor solutions. NXP operates in the semiconductor industry, focusing on various markets including automotive, industrial, Internet of Things (IoT), mobile, and communications infrastructure. The company provides a wide range of products, including microcontrollers, sensors, RF power amplifiers, and secure connectivity solutions. Founded in 2006 as a spin-off from Philips, NXP has established itself as a key player in the tech industry, with a strong emphasis on innovation and cutting-edge technology. The BLF246B itself is a high-performance RF power transistor, commonly used in applications such as broadcast transmitters and industrial RF heating.

Application

The BLF246B is a high-power N-channel MOSFET primarily used in RF and microwave applications. Its main application areas include:
1. RF Amplifiers: Utilized in commercial and amateur radio transmitters for signal amplification.
2. Industrial Equipment: Employed in RF heating and plasma generation systems.
3. Communication Systems: Used in base stations and satellite communications.
4. Test Equipment: Serves in RF test setups and measurement devices.
5. Switching Power Supplies: Acts as a switch in high-frequency power converters.
Its high efficiency and robust performance make it suitable for demanding applications in telecommunications and industrial electronics.

Package

The BLF246B is typically packaged in a metal can (TO-220) or a surface-mount package (DPAK). The metal can is designed for effective heat dissipation, making it suitable for high-power applications.

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