Transistors - RF, Mosfets, Misc.
Please click on a subcategory.

MRF502 Motorola NPN Silicon High Frequency Transistor (NOS)
In Stock
Designed primarily for use in high-gain, low-noise amplifier, oscillator, and mixer applications. Can also be used in UHF converter applications.
- High Current-Gain- Bandwidth Product- fT= 1.2 GHz (Typ) at IC= 5.0 mAdc
- Low Noise Figure- NF= 4.0 dB (Typ) at f= 200 MHz
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF502

MRF515 Motorola NPN Silicon High Frequency Transistor 12.5V 470MHz 0.75W (NOS)
In Stock
Designed for 12.5 V UHF large-signal amplifier applications required in industrial equipment.
- Specified 12.5 Volt, 470 MHz Characteristics: Output Power= 0.75 Watts, Minimum Gain= 8.0 dB, Efficiency= 50%
- S Parameter Data from 100 MHz to 1.0 MHz
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF515

MRF517 Motorola NPN Silicon High Frequency Transistor (NOS)
In Stock
NPN Silicon High Frequency Transistor
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF517-MOT

MRF521 Motorola PNP Silicon High-Frequency Transistor (NOS)
In Stock
Designed primarily for use in the high–gain, low–noise small–signal amplifiers for operation up to 3.5 GHz. Also usable in applications requiring fast switching times.
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF521

MRF531 Motorola NPN Silicon High-Frequency Transistor (NOS)
In Stock
Designed for high voltage and high current fT switching applications. These devices are also ideal for CRT drivers.
- High Current Gain–Bandwidth Product — fT = 800 MHz (Typ) at IC= 50 mAdc
- High Collector Emitter Breakdown Voltage- V(BR)CEO= 100 Vdc (Min) at IC= 10 mAdc
- Characterized with Safe Operating Area (SOA) Curves
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF531

MRF5812 Motorola NPN Silicon High-Frequency Transistor (NOS)
In Stock
Designed for high current low power amplifiers up to 1.0 GHz.
- Low Noise (2dB @ 500MHz)
- Low Intermodulation Distorion
- High Gain
- State-of-the-Art Technology
- Excellent Dynamic Range
- Fully Characterized
- High Current-Gain Bandwidth Product
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF5812-MOT

MRF571 Transistor (NOS)
In Stock
MRF571 Transistor (NOS)
New Old Stock * No longer available for export
MFR: Avnet Electronics
SKU: MRF571

MRF559 Motorola NPN Silicon High Frequency Transistor 0.5W 870 MHz 12V (NOS)
In Stock
- Output Power: 0.5 watt
- Minimum Gain: 8.0 dB
- Efficiency: 50%
- Recommended as driver for MHW808 and MHW820 modules. 806-870 MHz Power Modules.
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF559-MOT

MRF557 Motorola NPN Silicon RF Low Power Transistor 12.5V 870 MHz 1.5W (NOS)
In Stock
Designed primarily for wideband large signal predriver stages in the 800 MHz frequency range.
- Specified @ 12.5 V, 870 MHz Characteristics: Output Power = 1.5 W, Minimum Gain = 8.0 dB, Efficiency 60% (Typ)
- Cost Effective PowerMacro Package
- Electroless Tin Plated Leads for Improved Solderability
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF557-MOT

MRF544 Motorola NPN Silicon High Frequency Transistor (NOS)
In Stock
Designed for high-frequency and medium and high resolution color video display monitors
New Old Stock * No longer available for export
MFR: Motorola
SKU: MRF544-MOT