MRF/SRF/M Series

Designed for broadband commercial and military applications up to 200 MHz frequency range. The high–power, high–gain and broadband performance of this device make possible solid state transmitters for FM broadcast or TV channel frequency bands. N–Channel enhancement mode MOSFET.

MFR: M/A-COM
SKU: MRF173-MA

Designed primarily for wideband large–signal output and driver stages from 30–200 MHz, N–Channel enhancement mode MOSFET

• Guaranteed performance at 150 MHz, 28 Vdc, Output power = 45 W, Power gain = 17 dB (min), Efficiency = 60% (min)
• Excellent thermal stability, ideally suited for Class A operation
• Facilitates manual gain control, ALC and modulation techniques
• 100% tested for load mismatch at all phase angles with 30:1 VSWR
• Low Crss – 8 pF @ VDS = 28 V
• Gold top metal, Typical data for power amplifier applications in industrial, commercial and amateur radio equipment
• Typical performance at 30 MHz, 28 Vdc, Output power = 30 W (PEP), Power gain = 20 dB (typ.), Efficiency = 50% (typ.), IMD(d3) (30 W PEP) –32 dB (typ.)

Parts we have available are early version just after Motorola sold to M/A-COM.  All parts in stock are produced with original Motorola die. 

New Old Stock * No longer available for export
MFR: M/A-COM
SKU: MRF171A-MA

Designed for broadband commercial and military applications using push pull circuits at frequencies to 500 MHz. The high power, high gain and broadband performance of these devices makes possible solid state transmitters for FM broadcast or TV channel frequency bands, N–Channel enhancement mode

• Guaranteed performance: MRF175GV @ 28 V, 225 MHz (“V” Suffix), Output power — 200 W, Power gain — 14 dB typ, Efficiency — 65% typ`
• 100% ruggedness tested at rated output power
• Low thermal resistance
• Low Crss — 20 pF typ @ VDS = 28 V

MRF: M/A-COM
SKU: MRF175GU-MA

Designed for broadband commercial and military applications using single ended circuits at frequencies to 400 MHz. The high power, high gain and broadband performance of each device makes possible solid state transmitters for FM broadcast or TV channel frequency bands, N-Channel enhancement mode

New Old Stock * No longer available for export
MFR: M/A-COM
SKU: MRF175LU-MA

Designed for broadband commercial and military applications using push pull circuits at frequencies to 500 MHz. The high power, high gain and broadband performance of these devices makes possible solid state transmitters for FM broadcast or TV channel frequency bands, N–Channel enhancement mode

MFR: M/A-COM
SKU: MRF176GU-MA

Designed primarily for wideband large–signal output and driver stages to 30 – 500 MHz, N–Channel enhancement mode MOSFET

MFR: M/A-COM
SKU: MRF166W-MA

Designed for broadband commercial and military applications using push pull circuits at frequencies to 500 MHz. The high power, high gain and broadband performance of these devices makes possible solid state transmitters for FM broadcast or TV channel frequency bands, N–Channel enhancement mode

MFR: M/A-COM
SKU: MRF176GV-MA

 Designed primarily for wideband large–signal output and driver from 30–500MHz, N–Channel enhancement mode MOSFET

• MRF166C — Guaranteed performance at 500 MHz, 28 Vdc, Output power = 20 W, Gain = 13.5 dB, Efficiency = 50%
• Replacement for industry standards such as MRF136, V2820, BLF244, SD1902, and ST1001
• 100% tested for load mismatch at all phase angles with 30:1 VSWR
• Facilitates manual gain control, ALC and modulation techniques
• Excellent thermal stability, ideally suited for Class A operation
• Low Crss — 4.0 pF @ VDS = 28 V

MFR: M/A-COM
SKU: MRF166C-MA

Designed for broadband commercial and military applications up to 400 MHz frequency range. Primarily used as a driver or output amplifier in push–pull configurations. Can be used in manual gain control, ALC and modulation circuits. N–Channel enhancement mode MOSFET.

• Typical performance at 400 MHz, 28 V: Output power — 100 W, Gain — 12 dB, Efficiency — 60%
• Low thermal resistance
• Low Crss — 10 pF typ. @ VDS = 28 V
• Ruggedness tested at rated output power
• Nitride passivated die for enhanced reliability
• Excellent thermal stability; suited for Class A operation

MRF:  M/A-COM
SKU: MRF177-MA