MRF500 Series
MRF500 Series
The MRF500 Series are high-performance RF power transistors that are widely used in various RF applications. With their ability to handle high frequencies and power levels, they are a reliable choice for demanding environments. Explore the range to find the right solution for your project.

MRF544 APT NPN Silicon RF and Microwave Discrete Low Power Transistor (NOS)
In Stock
Designed primarily for use in high frequency and medium and high resolution color video display monitors as well as other applications requiring high breakdown characteristics.
- Silicon NPN, high Frequency, high breakdown Transistor
- Maximum Unilateral Gain = 13.5 dB (typ) @ f = 200 MHz
- High Collector Base Breakdown Voltage - BVCBO = 100 V (min)
- High FT - 1400 MHz
New Old Stock * No longer available for export
MFR: APT

MRF557 APT RF and Microwave Discrete Low Power Transistor 12.5 V 870 MHz 1.5 W (NOS)
In Stock
Designed primarily for wideband large signal stages in the UHF frequency range.
- Specified @ 12.5 V, 870 MHz Characteristics: Output Power = 1.5 W, Minimum Gain = 8 dB, Efficiency 60% (Typ)
- Cost Effective PowerMacro Packa
- Electroless Tin Plated Leads for Improved Solderability
New Old Stock * No longer available for export
MRF: APT
SKU: MRF557-APT