| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
STMicroelectronics |
FET RF LDMOS 80V 9A M-250 |
0 |
|
 |
STMicroelectronics |
FET RF 25V 870MHZ |
491 |
|
 |
STMicroelectronics |
FET RF 25V 870MHZ |
3548 |
|
 |
STMicroelectronics |
TRANS RF N-CH FET POWERSO-10RF |
0 |
|
 |
STMicroelectronics |
FET RF 65V 945MHZ M243 |
4 |
|
 |
STMicroelectronics |
FET RF 25V 500MHZ PWRSO-10 |
0 |
|
 |
STMicroelectronics |
TRANS RF PWR N-CH STAC244F |
0 |
|
 |
STMicroelectronics |
FET RF 40V 870MHZ |
0 |
|
 |
STMicroelectronics |
IC TRANS RF HF/VHF/UHF M174 |
143 |
|
 |
STMicroelectronics |
FET RF 25V 500MHZ PWRSO10 |
0 |
|
 |
STMicroelectronics |
TRANS RF PWR N-CH 350W STAC244B |
0 |
|
 |
STMicroelectronics |
IC TRANS RF HF/VHF/UHF |
0 |
|
 |
STMicroelectronics |
FET RF 65V 945MHZ M243 |
0 |
|
 |
STMicroelectronics |
FET RF 40V 870MHZ |
0 |
|
 |
STMicroelectronics |
TRANS RF N-CH FET POWERSO-10RF |
444 |
|
 |
STMicroelectronics |
FET RF 40V 500MHZ PWRSO10 |
65 |
|
 |
STMicroelectronics |
TRANS RF N-CH HF/VHF/UHF M177 |
0 |
|
 |
STMicroelectronics |
FET RF 65V 945MHZ PWRSO10 |
769 |
|
 |
STMicroelectronics |
FET RF 65V 945MHZ M250 |
0 |
|
 |
STMicroelectronics |
TRANS RF PWR N-CH 580W STAC244B |
0 |
|
RF FETs and MOSFETs are critical semiconductor devices designed for high-frequency signal amplification and switching in radio frequency (RF) applications. These transistors operate efficiently in microwave and RF circuits, enabling wireless communication, radar systems, and broadcasting equipment. Their ability to handle high frequencies (typically above 1 MHz) with minimal noise and distortion makes them indispensable in modern telecommunications infrastructure.
| Type | Functional Features | Application Examples |
|---|---|---|
| Junction FET (JFET) | Voltage-controlled device with low noise and high input impedance | Low-noise amplifiers in RF receivers |
| MESFET | Metal-Semiconductor FET with GaAs substrate for high-speed operation | Satellite communication systems |
| HEMT/PHEMT | High-electron-mobility transistor with pseudomorphic structures | 5G base stations, microwave amplifiers |
| LDMOS | Lateral Diffused MOSFET with high power density and thermal stability | Cellular base station amplifiers |
| GaN HEMT | Gallium Nitride-based HEMT for ultra-high frequency/power | Radar systems, 5G mmWave |
RF FETs typically feature a three-terminal structure (source, gate, drain) with a semiconductor channel (Si, GaAs, or GaN). The gate region uses Schottky contacts (MESFET) or insulated layers (MOSFET). Advanced devices like HEMTs employ heterojunctions between different semiconductor materials (e.g., AlGaN/GaN) to enhance electron mobility. Packaging includes ceramic or plastic enclosures with RF-compatible connectors to minimize parasitic capacitance and inductance.
| Parameter | Description | Importance |
|---|---|---|
| Frequency Range | Operational bandwidth (e.g., 0.1-6 GHz) | Determines application suitability |
| Power Output (P1dB) | 1dB compression point (e.g., 10-500W) | Measures linearity and saturation |
| Gain (S21) | Signal amplification ratio (e.g., 10-30 dB) | System sensitivity indicator |
| Efficiency (PAE) | Power-added efficiency (e.g., 40-75%) | Energy consumption metric |
| Input/Output VSWR | Voltage Standing Wave Ratio (e.g., <2:1) | Mismatch loss assessment |
| Manufacturer | Representative Product | Key Specifications |
|---|---|---|
| NXP Semiconductors | MRF1K50GN | 50W GaN HEMT, 1.8-2.7GHz, 70% PAE |
| Wolfspeed (Cree) | CGH4G090400F | 400W GaN HEMT, 900MHz, 10:1 VSWR ruggedness |
| Infineon | BLS14H10LS-250 | 250W LDMOS, 1.8-2.2GHz, 14dB gain |
| MACOM | NPT1007 | SiGe HBT, 7GHz, 18dB gain for 5G |
Key trends include: - Wide bandgap materials (GaN/SiC) enabling higher efficiency (>80%) at mmWave frequencies - 3D packaging for reduced parasitics in 5G massive MIMO systems - Integrated RF frontend modules (FEM) with on-chip matching networks - AI-driven design optimization for complex impedance matching - Growing adoption of GaN-on-diamond substrates for thermal management