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CTS Corporation |
CRYSTAL 24.0000MHZ SERIES SMD |
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CTS Corporation |
CRYSTAL 24.0000MHZ 13PF SMD |
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CTS Corporation |
CRYSTAL 20.0000MHZ 9PF SMD |
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CTS Corporation |
CRYSTAL 14.31818MHZ 13PF SMD |
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CTS Corporation |
CRYSTAL 37.0000MHZ 6PF SMD |
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CTS Corporation |
CRYSTAL 27.0000MHZ 18PF TH |
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CTS Corporation |
CRYSTAL 14.31818MHZ 12PF SMD |
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CTS Corporation |
CRYSTAL 24.0000MHZ 20PF SMD |
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CTS Corporation |
CRYSTAL 12.0000MHZ 9PF SMD |
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CTS Corporation |
CRYSTAL 38.4000MHZ SERIES SMD |
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CTS Corporation |
CRYSTAL 38.4000MHZ 12PF SMD |
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CTS Corporation |
CRYSTAL 38.4000MHZ 18PF SMD |
0 |
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CTS Corporation |
CRYSTAL 50.0000MHZ 8PF SMD |
0 |
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CTS Corporation |
CRYSTAL 36.0000MHZ SERIES SMD |
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CTS Corporation |
CRYSTAL 52.0000MHZ 8PF SMD |
0 |
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CTS Corporation |
CRYSTAL 18.4320MHZ 10PF SMD |
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CTS Corporation |
CRYSTAL 25.0000MHZ 8PF SMD |
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CTS Corporation |
CRYSTAL 35.3280MHZ 10PF SMD |
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CTS Corporation |
CRYSTAL 27.0000MHZ 18PF SMD |
0 |
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CTS Corporation |
CRYSTAL 27.1200MHZ 18PF SMD |
0 |
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Crystals, oscillators, and resonators are passive electronic components that generate stable frequency signals for timing and synchronization in electronic systems. Crystals (e.g., quartz) utilize piezoelectric properties to produce precise oscillations. Oscillators integrate active circuitry to generate periodic signals, while resonators provide frequency-selective feedback. These components are critical in communication systems, computing devices, industrial controls, and consumer electronics.
| Type | Functional Characteristics | Application Examples |
|---|---|---|
| Quartz Crystals | High frequency stability, low phase noise | Microprocessors, GPS modules, RF transceivers |
| Ceramic Resonators | Lower cost, moderate stability | Remote controls, toys, low-precision sensors |
| MEMS Resonators | Miniaturized, shock-resistant | IoT devices, wearables, automotive sensors |
| Crystal Oscillators (XO) | Integrated driver circuitry | Network switches, test equipment, precision clocks |
A typical quartz crystal consists of a precision-cut piezoelectric wafer (AT-cut or SC-cut), metallized electrodes (silver or gold), and a hermetically sealed package (glass or ceramic). MEMS resonators use silicon-based microstructures with electrostatic or piezoelectric transducers. Ceramic resonators employ zirconium titanate (PZT) materials with printed electrodes.
| Parameter | Description | Importance |
|---|---|---|
| Frequency Range | Operating frequency band (kHz-MHz) | Determines circuit timing resolution |
| Frequency Tolerance | Initial accuracy at 25 C (ppm) | Impacts system synchronization |
| Temperature Stability | Frequency drift over temperature (ppm/ C) | Critical for harsh environments |
| Equivalent Series Resistance (ESR) | Internal resistance affecting startup time | Impacts oscillator reliability |
| Aging Rate | Long-term frequency shift (ppm/year) | System longevity consideration |
Key industries include:
| Manufacturer | Representative Product | Key Features |
|---|---|---|
| Epson | SG-8003 | 32.768 kHz TCXO for real-time clocks |
| Murata | XRCGB32M000F | 32 MHz ceramic resonator |
| SiTime | SiT8924 | MEMS-based automotive-grade oscillator |
| TXC Corporation | 9B-26.000MHZ | 26 MHz quartz crystal for Bluetooth modules |
Key considerations:
Example: For IoT edge devices, prioritize MEMS resonators with low power (<10 A) and 50 ppm stability.
Emerging trends include: