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MRF148A

Name: MRF148A
Rating: 4.7 (12 reviews)

FET RF 120V 175MHZ 211-07

제조업체
Mfr.부분 #MRF148A
패키지 211-07
데이터시트 MRF148A DataSheet
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사양

Package	Tray
ProductStatus	Active
TransistorType	N-Channel
Frequency	30MHz ~ 175MHz
Gain	15dB ~ 18dB
Voltage-Test	50 V
CurrentRating(Amps)	6A
Current-Test	100 mA
Power-Output	30W
Voltage-Rated	120 V
Package/Case	211-07

개요

Description

The MRF148A is a high-power RF transistor primarily used in RF amplification applications. It is designed for operation in the VHF and UHF frequency ranges, typically 130 to 150 MHz, making it suitable for various communication systems, including amateur radio, broadcast transmitters, and industrial equipment.
This transistor is a silicon NPN device known for its high efficiency and robust performance. It features a maximum output power of around 150 watts, with a high gain and low intermodulation distortion, contributing to improved signal clarity and quality. The MRF148A is packaged in a metal can, which aids in effective heat dissipation, crucial for high-power applications.
Key specifications include a maximum collector-base voltage (Vce) of 50 volts and a maximum collector current (Ic) of 20 amps. Proper thermal management and biasing are essential for optimal operation. Overall, the MRF148A is valued for its reliability and performance in demanding RF applications.

Features

The MRF148A is a high-power RF transistor designed for use in various RF applications, particularly in amplifiers for cellular and other communication systems. Key features include:
1. Type: N-channel MOSFET.
2. Frequency Range: Operates effectively up to 1 GHz.
3. Power Output: Delivers high output power, typically around 30-50 Watts.
4. Gain: High power gain, typically around 14-20 dB, enhancing signal amplification.
5. Operating Voltage: Rated for a maximum drain-source voltage (V_DS) of 50V.
6. Efficiency: Designed for high efficiency in linear and class C operation.
7. Thermal Stability: Features good thermal stability and ruggedness, allowing for reliable long-term operation.
8. Package: Available in a convenient metal can package, facilitating heat dissipation.
These features make the MRF148A suitable for applications in RF amplification, commercial radio, and other high-frequency communication systems.

Package

The MRF148A is typically packaged in a metal can (TO-39 package) or as a surface-mount device (SMD). The metal can package provides good thermal performance and shielding, making it suitable for RF applications.

Pinout

The MRF148A is a high-power RF transistor designed for use in various RF applications, particularly in the UHF frequency range. It has a total of 3 pins. The pin configuration and their functions are as follows:
1. Pin 1 (Base): This pin is used to apply the input signal to the transistor, allowing it to amplify the RF signal.
2. Pin 2 (Collector): This pin connects to the high-voltage supply and is responsible for collecting the amplified output signal.
3. Pin 3 (Emitter): This pin is connected to the ground or negative voltage supply and allows for the flow of current out of the transistor.
The MRF148A is commonly used in commercial and amateur radio applications, including linear amplifiers and other RF amplification circuits. Its design enables efficient operation at higher frequencies, making it suitable for various transmission needs.

Manufacturer

The MRF148A is manufactured by NXP Semiconductors, a global semiconductor company. NXP is known for its expertise in various electronic components, including RF power transistors, microcontrollers, and integrated circuits. The company serves diverse markets such as automotive, industrial, and consumer electronics, focusing on innovation in secure connectivity and embedded applications. NXP operates in multiple regions worldwide and is recognized for its commitment to quality and technological advancement in semiconductor solutions.

Application

The MRF148A is a high-power RF transistor primarily used in applications such as RF amplifiers, linear amplifiers for radios, and microwave transmitters. It is suitable for industrial, scientific, and medical (ISM) applications and is often employed in two-way radios, cellular base stations, and other communication devices requiring high-frequency performance. Its robustness makes it ideal for high-power and high-efficiency applications.

Equivalent

The MRF148A chip is a high-power RF transistor primarily used in amplifiers. Equivalent products include the MRF148, MRFE6VP61K25, and MRF6VP61K25. Other alternatives may include devices from manufacturers like NXP and Infineon, which offer similar performance characteristics for RF applications. Always check specific datasheets for compatible specifications.