Crystals

Image Part Number Description / PDF Quantity Rfq
445W33D24M00000

445W33D24M00000

CTS Corporation

CRYSTAL 24.0000MHZ 18PF SMD

0

407F39D019M6800

407F39D019M6800

CTS Corporation

CRYSTAL 19.6800MHZ 18PF SMD

0

445W23S24M00000

445W23S24M00000

CTS Corporation

CRYSTAL 24.0000MHZ SERIES SMD

0

445I25A24M00000

445I25A24M00000

CTS Corporation

CRYSTAL 24.0000MHZ 10PF SMD

0

ATS111BSM-1E

ATS111BSM-1E

CTS Corporation

CRYSTAL 11.0592MHZ 18PF SMD

0

445C22B20M00000

445C22B20M00000

CTS Corporation

CRYSTAL 20.0000MHZ 13PF SMD

0

445A2XH25M00000

445A2XH25M00000

CTS Corporation

CRYSTAL 25.0000MHZ 32PF SMD

0

445C23H25M00000

445C23H25M00000

CTS Corporation

CRYSTAL 25.0000MHZ 32PF SMD

0

445I35H14M31818

445I35H14M31818

CTS Corporation

CRYSTAL 14.31818MHZ 32PF SMD

0

445I32D20M00000

445I32D20M00000

CTS Corporation

CRYSTAL 20.0000MHZ 18PF SMD

0

416F50035CTR

416F50035CTR

CTS Corporation

CRYSTAL 50.0000MHZ 6PF SMD

0

416F36011ATR

416F36011ATR

CTS Corporation

CRYSTAL 36.0000MHZ 6PF SMD

0

405C11A19M80000

405C11A19M80000

CTS Corporation

CRYSTAL 19.8000MHZ 10PF SMD

0

SA254338F35HAR

SA254338F35HAR

CTS Corporation

CRYSTAL 33.8688MHZ 10PF SMD

0

445C25L25M00000

445C25L25M00000

CTS Corporation

CRYSTAL 25.0000MHZ 12PF SMD

0

416F30012CKR

416F30012CKR

CTS Corporation

CRYSTAL 30.0000MHZ 8PF SMD

0

MP111B

MP111B

CTS Corporation

CRYSTAL 11.0592MHZ 18PF TH

397

416F2501XCAR

416F2501XCAR

CTS Corporation

CRYSTAL 25.0000MHZ 10PF SMD

0

416F40622IDR

416F40622IDR

CTS Corporation

CRYSTAL 40.6100MHZ 18PF SMD

0

416F380XXCSR

416F380XXCSR

CTS Corporation

CRYSTAL 38.0000MHZ SERIES 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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