Transistors - RF, Mosfets, Misc.
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MRF275G Motorola Mosfet Transistor 150W 500MHz 28V (NOS)
In Stock
Designed primarily for wideband large–signal output and driver stages from 100 – 500 MHz. N-Channel enhancement mode
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF275G-MOT

MRF227 Microsemi NPN Silicon RF Power Transistor 12.5 V 225 MHz 3W
In Stock
Designed for 12.5 Volt VHF large-signal power amplifier applications in communication equipment operating at 225 MHz. Ideally suited for Class E citizens band radio.
- Specified 12.5 Volt, 225 MHz Characteristics- Output Power= 3.0 W, Minimum Gain= 13.5 dB, efficiency= 60%
New Old Stock * No longer available for export
MFR: Microsemi
SKU: MRF227-MSC

MRF237 Microsemi NPN Silicon RF Power Transistor 12.5 V/90 MHz/15 W (NOS)
In Stock
Specified 12.5 Volt,175 MHz Characteristics- Output Power= 4.0 W, Minimum Gain= 12 dB, efficiency= 50%
New Old Stock * No longer available for export
MFR: Microsemi
SKU: MRF237-MSC

MRF245 Motorola Transistor NPN Silicon RF Power Transistor 80 Watt 12 Volt 175 MHz (NOS)
In Stock
Transistor NPN Silicon RF Power Transistor 80 Watt 12 Volt 175 MHz
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF245

MRF240 Motorola NPN Silicon Power Transistor 40W 160 MHz 13.6V (NOS)
In Stock
Designed for 13.6 V VHF large-signal Class C and Class AB linear power amplifier applications in industrial and commercial equipment.
- Specified 13.6 V, 160 MHz characteristics — Output power = 40 W, Power Gain = 9.0 dB Min, Efficiency = 55% Min
- High Common Emitter Power Gain
- Load Mismatch Capability at Rated Voltage and RF Drive
- Silicon Nitride Passivated
- Low Intermodulation Distortion, d3= -30 dB Typ
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF240

MRF239 Motorola NPN Silicon RF Power Transistor 13.6V 160 MHz 30W Matched Pair (2) (NOS)
In Stock
Designed for 13.6 Volt VHF large-signal class C and class AB linear power amplifier applications required in comercial and industrial equipment.
- Specified 13.6 Volt, 160 MHz Characteristics: Output Power= 30 W, Minimum Gain= 10 dB (Min), Efficiency= 65% (Typ)
- High Common Emitter Power Gain
- Silicon Nitride Passivated
- Low Intermodulation Dsitortion, d3= -35 dB Typ
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF239MP

MRF221 Motorola NPN Silicon RF Power Transistor 12.5V 175 MHz 15W (NOS)
In Stock
Designed for 12.5 Volt VHF large-signal power amplifier applications required in commercial and industrial equipment operating to 300 MHz.
- Specified 12.5 Volt, 175 MHz Characteristics- Output Power= 15 W, Minimum Gain= 6.3 dB, efficiency= 60%
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF221

MRF229 Motorola NPN Silicon Power Transistor 1.5W 90 MHz 12.5V (NOS)
In Stock
Designed for 12.5 V, mid-band large-signal amplifier applications in industrial and commercial FM equipment operating in the 40 to 100 MHz range.
- Specified 12.5 V, 90 MHz characteristics — Output power = 1.5 W, Minimum gain = 10 dB, Efficiency = 55%
- 100% tested for load mismatch at all phase angles with 30:1 VSWR
- Characterized with Series Equivalent Large-signal Impedance Parameters
- Characterized with parallel Equivalent Large-signal Impedance Parameters
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF229

MRF212 Motorola NPN Silicon Power Transistor Matched Pair (2) (NOS)
In Stock
Matched Pair (2)
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF212MP

MRF208 Motorola NPN Silicon RF Power Transistor 12.5V 220 MHz 10W Matched Pair (2) (NOS)
In Stock
Designed for 12.5 Volt large-signal power amplifier applications in communications equipment operating at 220 MHz.
- Specified 12.5 Volt, 220 MHz Characteristics: Output Power= 10 W, Minimum Gain= 8.2 dB
- Balanced Emitter Construction to provide the designer with the device technology that assures ruggedness and resists transister damage caused by load mismatch.
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF208MP