| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Sanyo Semiconductor/ON Semiconductor |
JFET N-CH 25V 20MA SOT23 |
0 |
|
 |
Ampleon |
RF FET LDMOS 65V 19.2DB SOT12753 |
52 |
|
 |
Roving Networks / Microchip Technology |
MOSFET RF PWR N-CH 50V 150W M174 |
22 |
|
 |
Ampleon |
BLP0427M9S20GZ/SOT1483/REELDP |
422 |
|
 |
Ampleon |
RF FET LDMOS 65V 15DB SOT539A |
40 |
|
 |
NXP Semiconductors |
FET RF 133V 512MHZ TO270-2 |
0 |
|
 |
STMicroelectronics |
FET RF 65V 945MHZ PWRSO10 |
392 |
|
 |
Ampleon |
RF MOSFET LDMOS 50V SOT1138-2 |
56 |
|
 |
NXP Semiconductors |
RF POWER LDMOS TRANSISTOR |
0 |
|
 |
Ampleon |
RF FET LDMOS 65V 16DB SOT502A |
0 |
|
 |
STMicroelectronics |
FET RF 80V 1.09GHZ STAC265B |
0 |
|
 |
Ampleon |
RF FET LDMOS 65V 36.1DB SOT12112 |
82 |
|
 |
Ampleon |
RF FET LDMOS 65V 17DB SOT1244C |
87 |
|
 |
Ampleon |
RF MOSFET LDMOS 32V SOT1258-7 |
69 |
|
 |
Ampleon |
RF FET LDMOS 65V 32.3DB SOT12111 |
23 |
|
 |
Ampleon |
RF FET LDMOS 65V 19.2DB SOT12753 |
104 |
|
 |
Ampleon |
RF FET LDMOS 65V 17DB SOT502B |
100 |
|
 |
Ampleon |
RF FET LDMOS 65V 17.7DB SOT502B |
34 |
|
 |
NXP Semiconductors |
FET RF 2CH 70V 920MHZ NI1230S-4S |
0 |
|
 |
NXP Semiconductors |
IC TRANS RF LDMOS |
110 |
|
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