Crystals

Image Part Number Description / PDF Quantity Rfq
445C32H16M00000

445C32H16M00000

CTS Corporation

CRYSTAL 16.0000MHZ 32PF SMD

0

416F3801XAAR

416F3801XAAR

CTS Corporation

CRYSTAL 38.0000MHZ 10PF SMD

0

416F271X3CDR

416F271X3CDR

CTS Corporation

CRYSTAL 27.1200MHZ 18PF SMD

0

445C35C25M00000

445C35C25M00000

CTS Corporation

CRYSTAL 25.0000MHZ 16PF SMD

0

402F32011CKR

402F32011CKR

CTS Corporation

CRYSTAL 32.0000MHZ 8PF SMD

0

445W25F14M31818

445W25F14M31818

CTS Corporation

CRYSTAL 14.31818MHZ 24PF SMD

0

416F36023ALR

416F36023ALR

CTS Corporation

CRYSTAL 36.0000MHZ 12PF SMD

0

416F2501XCSR

416F2501XCSR

CTS Corporation

CRYSTAL 25.0000MHZ SERIES SMD

0

445C25C30M00000

445C25C30M00000

CTS Corporation

CRYSTAL 30.0000MHZ 16PF SMD

0

416F50012ADR

416F50012ADR

CTS Corporation

CRYSTAL 50.0000MHZ 18PF SMD

0

416F27133ADR

416F27133ADR

CTS Corporation

CRYSTAL 27.1200MHZ 18PF SMD

0

SA324125F35HLR

SA324125F35HLR

CTS Corporation

CRYSTAL 12.5000MHZ 12PF SMD

0

445I23K20M00000

445I23K20M00000

CTS Corporation

CRYSTAL 20.0000MHZ 8PF SMD

0

416F25013CDR

416F25013CDR

CTS Corporation

CRYSTAL 25.0000MHZ 18PF SMD

0

416F24022CLR

416F24022CLR

CTS Corporation

CRYSTAL 24.0000MHZ 12PF SMD

0

403I35E29M49120

403I35E29M49120

CTS Corporation

CRYSTAL 29.4912MHZ 20PF SMD

0

416F37035CLR

416F37035CLR

CTS Corporation

CRYSTAL 37.0000MHZ 12PF SMD

0

445C23J30M00000

445C23J30M00000

CTS Corporation

CRYSTAL 30.0000MHZ 9PF SMD

0

416F440X2CTR

416F440X2CTR

CTS Corporation

CRYSTAL 44.0000MHZ 6PF SMD

0

445A33C24M57600

445A33C24M57600

CTS Corporation

CRYSTAL 24.5760MHZ 16PF SMD

0

Crystals

1. Overview

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.

2. Main Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Quartz CrystalsHigh frequency stability, low phase noiseMicroprocessors, GPS modules, RF transceivers
Ceramic ResonatorsLower cost, moderate stabilityRemote controls, toys, low-precision sensors
MEMS ResonatorsMiniaturized, shock-resistantIoT devices, wearables, automotive sensors
Crystal Oscillators (XO)Integrated driver circuitryNetwork switches, test equipment, precision clocks

3. Structure and Composition

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.

4. Key Technical Specifications

ParameterDescriptionImportance
Frequency RangeOperating frequency band (kHz-MHz)Determines circuit timing resolution
Frequency ToleranceInitial accuracy at 25 C (ppm)Impacts system synchronization
Temperature StabilityFrequency drift over temperature (ppm/ C)Critical for harsh environments
Equivalent Series Resistance (ESR)Internal resistance affecting startup timeImpacts oscillator reliability
Aging RateLong-term frequency shift (ppm/year)System longevity consideration

5. Application Fields

Key industries include:

  • Telecommunications: 5G base stations, optical transceivers
  • Industrial Automation: PLCs, robotics controllers
  • Consumer Electronics: Smartphones, smartwatches
  • Automotive: ECUs, tire pressure sensors
  • Medical Devices: Pacemakers, diagnostic equipment

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
EpsonSG-800332.768 kHz TCXO for real-time clocks
MurataXRCGB32M000F32 MHz ceramic resonator
SiTimeSiT8924MEMS-based automotive-grade oscillator
TXC Corporation9B-26.000MHZ26 MHz quartz crystal for Bluetooth modules

7. Selection Guidelines

Key considerations:

  • Required frequency and stability (temperature/vibration)
  • Power consumption constraints
  • Environmental operating conditions
  • Package size and mounting type
  • Cost vs. precision trade-offs

Example: For IoT edge devices, prioritize MEMS resonators with low power (<10 A) and 50 ppm stability.

8. Industry Trends

Emerging trends include:

  • Miniaturization: 0.4x0.2 mm MEMS devices for wearable integration
  • Higher frequency adoption: 100+ MHz crystals for 5G infrastructure
  • Integrated solutions: Oscillators with built-in frequency modulation
  • Automotive-grade reliability: AEC-Q100 qualified components for EVs
  • AI-driven testing: Machine learning for crystal defect detection
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