| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Ampleon |
RF FET LDMOS 65V 17DB 16VDFN |
465 |
|
 |
Ampleon |
RF FET LDMOS 65V 18.3DB SOT1239B |
23 |
|
 |
Ampleon |
RF FET LDMOS 65V 15DB SOT12751 |
52 |
|
 |
Ampleon |
RF MOSFET HEMT 50V SOT467C |
21 |
|
 |
Ampleon |
BLC9G21LS-60AV/SOT1275/REELDP |
95 |
|
 |
Ampleon |
RF FET LDMOS 65V 31.5DB SOT12111 |
118 |
|
 |
Ampleon |
RF FET HEMT 150V 11.5DB SOT467C |
21 |
|
 |
Ampleon |
RF FET LDMOS 65V 18.5DB SOT502B |
0 |
|
 |
Ampleon |
BLF0910H9LS750P/SOT539/TRAY |
54 |
|
 |
Ampleon |
RF FET LDMOS 65V 16.6DB SOT12753 |
131 |
|
 |
Ampleon |
RF FET LDMOS 65V 18DB SOT1244B |
0 |
|
 |
Ampleon |
RF FET LDMOS 65V 16DB SOT12583 |
47 |
|
 |
Ampleon |
RF PFET, 1-ELEMENT, S BAND, SILI |
0 |
|
 |
Ampleon |
RF FET LDMOS 65V 18.5DB SOT502B |
6 |
|
 |
Ampleon |
RF FET LDMOS 65V 15DB SOT539B |
59 |
|
 |
Ampleon |
RF MOSFET LDMOS 28V SOT1271-2 |
0 |
|
 |
Ampleon |
RF FET LDMOS 65V 20DB SOT1244B |
0 |
|
 |
Ampleon |
RF FET LDMOS 65V 18DB SOT1244B |
0 |
|
 |
Ampleon |
RF FET LDMOS 65V 18DB 16VDFN |
255 |
|
 |
Ampleon |
RF FET LDMOS 65V 18.5DB SOT538A |
10 |
|
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