| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Abracon |
CERAMIC RES 18.4300MHZ 22PF SMD |
1058 |
|
 |
Abracon |
CERAMIC RES 20.0000MHZ 10PF SMD |
6 |
|
 |
ECS Inc. International |
CERAMIC RES 12.00MHZ 10PF SMD |
3000 |
|
 |
TOKO / Murata |
RESONATOR CER 0.5% 10PF SMD |
0 |
|
 |
TOKO / Murata |
CERAMIC RES 4.0000MHZ 15PF SMD |
13120 |
|
 |
TOKO / Murata |
CERAMIC RES 4.0000MHZ 47PF T/H |
0 |
|
 |
Abracon |
SAW RES 315.0000MHZ SMD |
0 |
|
 |
TOKO / Murata |
CERAMIC RES 8.0000MHZ 33PF SMD |
123696 |
|
 |
ECS Inc. International |
CERAMIC RES 4.0000MHZ 30PF T/H |
286542500 |
|
 |
RFMi |
RESONATOR,SM,418.000 MHZ |
0 |
|
 |
RFMi |
RESONATOR,SM,315.500 MHZ |
0 |
|
 |
TOKO / Murata |
CER RESONATOR |
3000 |
|
 |
Panasonic |
SAW RES 418.0000MHZ T/H |
1214 |
|
 |
Abracon |
CERAMIC RES 25.0000MHZ SMD |
3901 |
|
 |
TOKO / Murata |
CER RESONATOR |
3000 |
|
 |
TOKO / Murata |
CERAMIC RES 7.6800MHZ 15PF SMD |
0 |
|
 |
Abracon |
CERAMIC RES 8.0000MHZ 33PF SMD |
2550 |
|
 |
TOKO / Murata |
CERAMIC RES 7.3700MHZ 15PF SMD |
397 |
|
 |
RFMi |
RESONATOR,SM,916.500 MHZ |
0 |
|
 |
ECS Inc. International |
CERAMIC RES 3.580MHZ 30PF SMD |
3990 |
|
Resonators are passive electronic components that generate stable frequencies by utilizing the mechanical resonance of piezoelectric materials (e.g., quartz, ceramic) or surface acoustic waves (SAW). They are critical for timing, frequency control, and signal processing in modern electronics. Oscillators integrate resonators with active circuitry to produce periodic signals, while crystals refer to raw piezoelectric elements. These components ensure synchronization and reliability in communication systems, industrial equipment, and consumer devices.
| Type | Function Features | Applications |
|---|---|---|
| Quartz Crystal Resonators | High Q-factor, excellent temperature stability | Microprocessors, GPS modules |
| Ceramic Resonators | Lower cost, moderate stability | Remote controls, IoT sensors |
| SAW Resonators | High-frequency operation (GHz range), compact size | 5G base stations, automotive radar |
| MEMS Resonators | Miniaturized, temperature-compensated | Wearables, medical implants |
A typical resonator includes: - Piezoelectric Material: Quartz (for crystal resonators) or ceramic (for ceramic resonators) that vibrates under electric fields. - Electrodes: Metal coatings (e.g., silver, gold) to apply voltage and detect vibrations. - Encapsulation: Metal or ceramic housing to protect against environmental factors. - SAW Resonators: Feature interdigital transducers (IDTs) on piezoelectric substrates (e.g., lithium niobate) to generate surface acoustic waves.
| Parameter | Description & Importance |
|---|---|
| Frequency Tolerance | Deviation from nominal frequency ( ppm), critical for system synchronization |
| Q-Factor | Quality factor indicating energy loss; higher Q ensures better frequency selectivity |
| Temperature Stability | Frequency drift per C (e.g., 30 ppm/ C), vital for harsh environments |
| Equivalent Series Resistance (ESR) | Affects oscillator startup time and signal purity |
| Load Capacitance | Required for tuning in oscillator circuits |
| Manufacturer | Representative Products |
|---|---|
| Murata Manufacturing | CSTCE Series Ceramic Resonators |
| TDK Corporation | FK1610 Series MEMS Oscillators |
| Epson Electronics | SG-8003 Series Crystal Oscillators |
| Sitime Corporation | SIM3-Series Automotive MEMS Resonators |
| Kyocera | DF23SA Series SAW Filters |
Consider the following factors when choosing resonators: - Frequency Requirements: Match tolerance and stability to application needs. - Environmental Conditions: High-temperature stability for automotive or industrial use. - Size Constraints: MEMS resonators for miniaturized designs. - Cost vs. Performance: Ceramic resonators for budget-sensitive projects with relaxed stability needs. - Integration: Ensure compatibility with oscillator circuit design (e.g., load capacitance).
Future developments include: - Micromachining: MEMS resonators achieving higher stability and shock resistance. - Higher Frequencies: Demand for sub-6GHz and mmWave SAW resonators in 5G. - Low-Power Solutions: Optimization for IoT and wearable devices. - AI Integration: Self-adjusting resonators using machine learning for dynamic environments. - Material Innovation: Use of aluminum nitride (AlN) and gallium nitride (GaN) for improved thermal performance.