Crystals

Image Part Number Description / PDF Quantity Rfq
445A32G30M00000

445A32G30M00000

CTS Corporation

CRYSTAL 30.0000MHZ 30PF SMD

0

416F52033ALR

416F52033ALR

CTS Corporation

CRYSTAL 52.0000MHZ 12PF SMD

0

445A3XL27M00000

445A3XL27M00000

CTS Corporation

CRYSTAL 27.0000MHZ 12PF SMD

0

ATS073A-E

ATS073A-E

CTS Corporation

CRYSTAL 7.3728MHZ SERIES TH

0

405I35E40M00000

405I35E40M00000

CTS Corporation

CRYSTAL 40.0000MHZ 20PF SMD

0

402F19211CJR

402F19211CJR

CTS Corporation

CRYSTAL 19.2000MHZ 9PF SMD

0

416F300X2ALR

416F300X2ALR

CTS Corporation

CRYSTAL 30.0000MHZ 12PF SMD

0

MP020S-E

MP020S-E

CTS Corporation

CRYSTAL 2.0000MHZ 20PF TH

0

403C35D19M66080

403C35D19M66080

CTS Corporation

CRYSTAL 19.6608MHZ 18PF SMD

0

SA324128F35HLR

SA324128F35HLR

CTS Corporation

CRYSTAL 12.8000MHZ 12PF SMD

0

402F270XXCJR

402F270XXCJR

CTS Corporation

CRYSTAL 27.0000MHZ 9PF SMD

0

445A32B24M00000

445A32B24M00000

CTS Corporation

CRYSTAL 24.0000MHZ 13PF SMD

0

445A23H12M00000

445A23H12M00000

CTS Corporation

CRYSTAL 12.0000MHZ 32PF SMD

0

416F380X3IAR

416F380X3IAR

CTS Corporation

CRYSTAL 38.0000MHZ 10PF SMD

0

445C23B27M00000

445C23B27M00000

CTS Corporation

CRYSTAL 27.0000MHZ 13PF SMD

0

416F400XXALR

416F400XXALR

CTS Corporation

CRYSTAL 40.0000MHZ 12PF SMD

0

445A3XG27M00000

445A3XG27M00000

CTS Corporation

CRYSTAL 27.0000MHZ 30PF SMD

0

416F32012CDR

416F32012CDR

CTS Corporation

CRYSTAL 32.0000MHZ 18PF SMD

0

445I32C25M00000

445I32C25M00000

CTS Corporation

CRYSTAL 25.0000MHZ 16PF SMD

0

416F27013CTR

416F27013CTR

CTS Corporation

CRYSTAL 27.0000MHZ 6PF 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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