MRF/SRF/M Series

Designed primarily for use in high-gain, low-noise amplifier, oscillator, and mixer applications. Can also be used in UHF converter applications.

• High Current-Gain- Bandwidth Product- f_T= 1.2 GHz (Typ) at I_C= 5.0 mAdc
• Low Noise Figure- NF= 4.0 dB (Typ) at f= 200 MHz

New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF502

Designed for 12.5 V UHF large-signal amplifier applications required in industrial equipment.

• Specified 12.5 Volt, 470 MHz Characteristics: Output Power= 0.75 Watts, Minimum Gain= 8.0 dB, Efficiency= 50%
• S Parameter Data from 100 MHz to 1.0 MHz

New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF515

Designed for amplifier, frequency multiplier, or oscillator applications in military, mobile, marine and citizens band equipment. Suitable for use as output driver or pre-driver stages in VHF and UHF equipment.

• Specified 12.5 Volt, 175 MHz Characteristics: Output Power= 1.75 W, Minimum Gain= 11.5 dB, Efficiency= 50%
• Characterized through 225 MHz

New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF607

NPN Silicon High-Frequency Transistor
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF3866-MOT

Designed for high voltage and high current f_T switching applications. These devices are also ideal for CRT drivers.

• High Current Gain–Bandwidth Product — f_T = 800 MHz (Typ) at I_C= 50 mAdc
• High Collector Emitter Breakdown Voltage- V_(BR)CEO= 100 Vdc (Min) at I_C= 10 mAdc
• Characterized with Safe Operating Area (SOA) Curves

New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF531

Designed primarily for wideband large signal predriver stages in the 800 MHz frequency range.

• Specified @ 12.5 V, 870 MHz Characteristics: Output Power = 1.5 W, Minimum Gain = 8.0 dB, Efficiency 60% (Typ)
• Cost Effective PowerMacro Package
• Electroless Tin Plated Leads for Improved Solderability

New Old Stock * No longer available for export
MFR: Motorola 
SKU: MRF557-MOT

• Output Power:  0.5 watt
• Minimum Gain: 8.0 dB
• Efficiency:  50%
• Recommended as driver for MHW808 and MHW820 modules. 806-870 MHz Power Modules.

New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF559-MOT

Designed for high current low power amplifiers up to 1.0 GHz.

• Low Noise
• Low Intermodulation Distortion
• High Gain
• Fully Characterized

New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF581-MOT

Designed for 12.5 Volt UHF large-signal amplifier applications in industrial and commercial FM equipment operating to 512 MHz.

• Specified 12.5 Volt, 470 MHz Characteristics: Output Power= 2.0 W, Minimum Gain= 8.0 dB, Efficiency= 50%
• Characterized with Series Equivalent Large-Signal Impedance Parameters
• Grounded Emitter TO-39 Package for High Gain and Excellent Heat Dissipation
• Replaces Medium-Power Stud Mounted Devices

New Old Stock * No longer available for export
MFR: Motorola 
SKU: MRF629