MRF148A

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MRF148A

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FET RF 120V 175MHZ 211-07

  • ПроизводительТехнологические решения MACOM

  • Мфр. Часть #MRF148A

  • Лист данных MRF148A DataSheet

  • Пакет 211-07

  • В наличии3543

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Спецификации

Атрибут Ценность
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

Обзор

Description

The MRF148A is a high-power RF transistor designed for VHF/UHF applications, commonly used in linear and broadband amplifiers. Key features include:
- Frequency Range: 30–512 MHz
- Output Power: Up to 300W (depending on configuration)
- High Gain: ~14 dB (typical)
- Voltage Rating: 50V
- Package: High-reliability TO-270AA (flanged)
It’s optimized for industrial, aerospace, and military applications, including FM, SSB, and radar systems. The MRF148A offers robust thermal performance and is often used in push-pull configurations for enhanced efficiency.
For detailed specs, refer to the datasheet from manufacturers like NXP (formerly Motorola).

Equivalent

The MRF148A is a high-power RF transistor. Equivalent or similar products include:
- BLF177 (NXP)
- BLF278 (NXP)
- MRF151G (NXP)
- PTVA101K02EV (Wolfspeed)
- ARF447 (Microsemi)
These alternatives offer comparable power, frequency, and voltage ratings. Always verify datasheet specs for exact compatibility.

Pinout

The MRF148A is a 4-pin RF power MOSFET designed for VHF/UHF applications.
Pin Functions:
1. Gate (Pin 1) – Input for RF signal and biasing.
2. Drain (Pin 2, 4) – Output and power supply connection (pins 2 and 4 are internally connected).
3. Source (Pin 3) – Ground reference.
Key Features:
- Frequency Range: Up to 500 MHz
- Power Output: ~80W (depends on configuration)
- Voltage Rating: 50V
Used in RF amplifiers, transmitters, and industrial applications. Requires proper heat sinking due to high power dissipation.

Application

The MRF148A is a high-power RF transistor commonly used in:
1. RF Amplification – Boosts signals in transmitters and communication systems.
2. Industrial Heating – Powers RF generators for induction heating and plasma applications.
3. Broadcast Equipment – Used in FM/VHF/UHF transmitters.
4. Aerospace & Defense – Supports radar and military communication systems.
5. Medical Devices – Found in RF-based medical equipment like diathermy machines.
Its high-frequency (up to 500 MHz) and high-power (up to 300W) capabilities make it ideal for demanding RF applications.

Package

The MRF148A is a high-power RF transistor typically packaged in a TO-272AA (Flange Mount) or TO-270AA (Stud Mount) metal-ceramic package. These packages are designed for robust thermal and electrical performance, suitable for applications like RF amplifiers. The exact package type may vary by manufacturer, so always refer to the datasheet for precise details.

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