MRF100 Series

Designed for power amplifier applications in industrial,  commercial and amateur radio equipment to 175MHz.

New Old Stock * No longer available for export
MFR: M/A-COM
SKU: MRF148A-MA

Designed primarily for wideband large–signal output and driver stages up to 200 MHz frequency range, N–Channel enhancement mode MOSFET

• Guaranteed performance at 150 MHz, 28 Vdc, Output power = 125 W, Minimum gain = 9.0 dB, Efficiency = 50% (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 noise figure — 3.0 dB typ. at 2.0 A, 150 MHz

MFR: M/A-COM
SKU: MRF174-MA

Designed for wideband large signal output and drive stages up to 400 MHz range.  N–Channel enhancement mode

New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF137-MOT

Designed for wideband large signal amplifier and oscillator applications  Up to 400 MHz range, in single-ended configuration  N–Channel enhancement mode

New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF136-MOT

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 wideband large signal output and drive stages Product Image  up to 400 MHz range.  N–Channel enhancement mode

• Guaranteed 28 V, 150 MHz performance  Output power = 30 W  Minimum gain = 13 dB  Efficiency — 60% (Typical)
• Small– and large–signal characterization
• Typical performance at 400 MHz, 28 Vdc, 30 W output = 7.7 dB gain
• 100% tested for load mismatch at all phase angles with 30:1 VSWR
• Low noise figure — 1.5 dB (typ.) at 1.0 A, 150 MHz
• Excellent thermal stability, ideally suited for Class A operation
• Facilitates manual gain control, ALC and modulation techniques

Limit, 10 per customer.

MFR: M/A-COM

 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 12.5 volt large–signal power amplifiers in commercial and industrial equipment.

• High Common Emitter Power Gain
• Specified 12.5 V, 175 MHz Performance: Output Power = 30 Watts, Power Gain = 10 dB, Efficiency = 60%
• Diffused Emitter Resistor Ballasting
• Characterized to 220 MHz
• Load Mismatch at High Line and Overdrive Conditions

New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF1946

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