| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
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Fox Electronics |
CRYSTAL 32.768KHZ 12.5PF SMT |
0 |
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Fox Electronics |
CRYSTAL 24MHZ 12PF SMT |
0 |
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Fox Electronics |
CRYSTAL 50MHZ 8PF SMT |
0 |
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Fox Electronics |
CRYSTAL 24MHZ 18PF SMT |
0 |
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Fox Electronics |
CRYSTAL 26MHZ 10PF SMT |
0 |
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Fox Electronics |
CRYSTAL 8MHZ 10PF SMT |
0 |
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Fox Electronics |
CRYSTAL 12MHZ 12PF SMT |
0 |
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Fox Electronics |
CRYSTAL 25MHZ 30PF SMT |
0 |
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Fox Electronics |
CRYSTAL 8MHZ 12PF SMT |
0 |
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Fox Electronics |
CRYSTAL 24MHZ 22PF SMT |
0 |
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Fox Electronics |
CRYSTAL 12.0000MHZ 20PF TH |
17922 |
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Fox Electronics |
CRYSTAL 24.576MHZ 8PF SMT |
0 |
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Fox Electronics |
CRYSTAL 21.888MHZ 20PF SMT |
0 |
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Fox Electronics |
CRYSTAL 14.7456MHZ 20PF SMT |
0 |
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Fox Electronics |
CRYSTAL 7.3728MHZ 20PF SMD |
0 |
|
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Fox Electronics |
CRYSTAL 10MHZ 15PF SMT |
0 |
|
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Fox Electronics |
CRYSTAL 38.4000MHZ 12PF SMD |
0 |
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Fox Electronics |
CRYSTAL 20MHZ 20PF TH |
0 |
|
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Fox Electronics |
CRYSTAL 25MHZ 20PF TH |
0 |
|
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Fox Electronics |
CRYSTAL 26MHZ 10PF SMT |
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: