Transistors - RF, Mosfets, Misc.
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MRF426A Motorola NPN Silicon Power Transistor 25W (PEP) 30 MHz 28V Stud Mount (NOS)
In Stock
Designed 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: MRF426A

MRF426A Motorola NPN Silicon Power Transistor 25W (PEP) 30 MHz 28V Stud Mount Matched Pair (2) (NOS)
In Stock
Designed 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: MRF426AMP

MRF426 Motorola NPN Silicon Power Transistor 25W (PEP) 30 MHz 28V Matched Pair (2) (NOS)
In Stock
Designed 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)
In Stock
Designed 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

MRF428 Motorola NPN Silicon Power Transistor 150W (PEP) 30 MHz 50V (NOS)
In Stock
Designed 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)
In Stock
Designed 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)
In Stock
Designed 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-MOT

MRF448 Motorola NPN Silicon Power Transistor 250W 30 MHz 50V (NOS)
In Stock
Designed primarily for high–voltage applications as a high–power linear amplifiers from 2.0 to 30 MHz. Ideal for marine and base station equipment. ROHS Compliant.
- Specified 50 V, 30 MHz characteristics: Output power = 250 W, Minimum gain = 12 dB, Efficiency = 45%
- Intermodulation distortion @ 250 W (PEP) — IMD = –30 dB (max)
- 100% tested for load mismatch at all phase angles with 3:1 VSWR
New Old Stock * No longer available for export
MFR: Motorola, USA
SKU:MRF448-MOT

MRF449A Motorola NPN Silicon Power Transistor Stud Mount 30W 30 MHz 12.5V Matched Pair (2) (NOS)
In Stock
Designed for power amplifier applications in industrial, commercial, and amateur radio equipment to 30 MHz.
- Specified 12.5 V, 30 MHz characteristics: Output power = 30 W, Minimum gain = 12 dB, Efficiency = 50%
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF449AMP

MRF449 Motorola NPN Silicon Power Transistor 30W 30 MHz 12.5V Matched Pair (2) (NOS)
In Stock
Designed for power amplifier applications in industrial, commercial, and amateur radio equipment to 30 MHz.
- Specified 12.5 V, 30 MHz characteristics: Output power = 30 W, Minimum gain = 12 dB, Efficiency = 50%
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF449MP