MRF/SRF/M Series
Please choose from the following MRF Sub-Catagory choices:
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MRF426 Motorola NPN Silicon Power Transistor 25W (PEP) 30 MHz 28V (NOS)
$39.91 -
MRF426 Motorola NPN Silicon Power Transistor 25W (PEP) 30 MHz 28V Matched Pair (2) (NOS)
$79.91Designed for high gain driver and output linear amplifier stages in 1.5 to 30 MHz HF/SSB equipment.
- Specified 28 V, 30 MHz characteristics — Output power = 25 W (PEP), Minimum gain = 22 dB, Efficiency = 35%
- Intermodulation distortion @ 25 W (PEP) —IMD = –30 dB (max)
- 100% tested for load mismatch at all phase angles with 30:1 VSWR
- Class A and AB characterization
- BLX 13 equivalent
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF426MP-MOT -
MRF427 Motorola NPN Silicon RF Power Transistor 50V 25W 30 MHz (NOS)
$41.91Designed primarily for high-voltage applications as a high-power linear amplifier from 2.0 to 30 MHz. Ideal for marine and base station equipment.
- Output Power: 25W(PEP)
- Minimum Gain: 18dB
- Intermodulation Distorion @ 25W(PEP): -34dB (Minimum)
- VSWR: 30:1
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF427 -
MRF427A Motorola Transistor 50V 25W 30 MHz Matched Pair (2) (NOS)
$82.91 -
MRF428 Motorola NPN Silicon Power Transistor 150W (PEP) 30 MHz 50V (NOS)
$134.91Designed primarily for high-voltage applications as a high-power linear amplifier from 2.0 to 30 MHz. Ideal for marine and base station equipment.
- Specified 50 V, 30 MHz Characteristics — Output power = 150 W (PEP), Minimum gain = 13 DB, Efficiency = 45%
- Intermodulation distortion @ 150 W (PEP) — IMD = -30 db (max.)
- 100% tested for load mismatch at all phase angles with 30:1 VSWR @ 150 W CW
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF428-MOT -
MRF428 Motorola NPN Silicon Power Transistor 150W (PEP) 30 MHz 50V Matched Pair (2) (NOS)
$269.91Designed primarily for high-voltage applications as a high-power linear amplifier from 2.0 to 30 MHz. Ideal for marine and base station equipment.
- Specified 50 V, 30 MHz Characteristics — Output power = 150 W (PEP), Minimum gain = 13 DB, Efficiency = 45%
- Intermodulation distortion @ 150 W (PEP) — IMD = -30 db (max.)
- 100% tested for load mismatch at all phase angles with 30:1 VSWR @ 150 W CW
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF428MP-MOT -
MRF429 Motorola NPN Silicon Transistor 150W (PEP) 30 MHz 50V (NOS)
$149.91Designed primarily for high–voltage applications as a high–power linear amplifier from 2.0 to 30 MHz. Ideal for marine and base station equipment.
When ordering 50+ pieces, the order will require approval. This will take 1-2 days.
- Specified 50 V, 30 MHz Characteristics — Output power = 150 W (PEP), Minimum gain = 13 dB, Efficiency = 45%
- Intermodulation distortion @ 150 W (PEP) — IMD = –32 dB (Max)
- Diffused emitter resistors for superior ruggedness
- 100% tested for load mismatch at all phase angles with 30:1 VSWR @ 150 W CW
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF429-MOTMade in the USA -
MRF453A Motorola NPN Silicon Power Transistor Stud-Mount 60W 30 MHz 12.5V (NOS)
$66.91Designed for power amplifier applications in industrial, commercial, and amateur radio equipment to 30 MHz.
- Specified 12.5 V, 30 MHz characteristics: Output power = 60 W, Minimum gain = 13 dB, Efficiency = 55%
NOTE: The MRF453A is similar to MRF455A but with larger stud package. The MRF455A was 3/8" Stud and MRF453A is 1/2" Stud. Larger hole in heatsink and more room on circuit board will allow the MRF453A to replace the obsolete MRF455A.
New Old Stock * No longer available for export
MFR: Motorola
