Crystals

Image Part Number Description / PDF Quantity Rfq
445W3XK13M00000

445W3XK13M00000

CTS Corporation

CRYSTAL 13.0000MHZ 8PF SMD

0

445A2XG30M00000

445A2XG30M00000

CTS Corporation

CRYSTAL 30.0000MHZ 30PF SMD

0

416F3701XAAR

416F3701XAAR

CTS Corporation

CRYSTAL 37.0000MHZ 10PF SMD

0

445C23F20M00000

445C23F20M00000

CTS Corporation

CRYSTAL 20.0000MHZ 24PF SMD

0

416F25013AAR

416F25013AAR

CTS Corporation

CRYSTAL 25.0000MHZ 10PF SMD

0

416F36033ASR

416F36033ASR

CTS Corporation

CRYSTAL 36.0000MHZ SERIES SMD

0

445C22B24M57600

445C22B24M57600

CTS Corporation

CRYSTAL 24.5760MHZ 13PF SMD

0

407F39D016M3840

407F39D016M3840

CTS Corporation

CRYSTAL 16.3840MHZ 18PF SMD

0

ATS042A

ATS042A

CTS Corporation

CRYSTAL 4.0960MHZ 20PF TH

0

416F52033ISR

416F52033ISR

CTS Corporation

CRYSTAL 52.0000MHZ SERIES SMD

0

416F50035ILR

416F50035ILR

CTS Corporation

CRYSTAL 50.0000MHZ 12PF SMD

0

445A35B20M00000

445A35B20M00000

CTS Corporation

CRYSTAL 20.0000MHZ 13PF SMD

0

416F520X2CDR

416F520X2CDR

CTS Corporation

CRYSTAL 52.0000MHZ 18PF SMD

0

445W25B25M00000

445W25B25M00000

CTS Corporation

CRYSTAL 25.0000MHZ 13PF SMD

0

416F30025CTR

416F30025CTR

CTS Corporation

CRYSTAL 30.0000MHZ 6PF SMD

0

405I35B40M00000

405I35B40M00000

CTS Corporation

CRYSTAL 40.0000MHZ 13PF SMD

0

416F32035CTR

416F32035CTR

CTS Corporation

CRYSTAL 32.0000MHZ 6PF SMD

0

445C22C20M00000

445C22C20M00000

CTS Corporation

CRYSTAL 20.0000MHZ 16PF SMD

0

445C3XK25M00000

445C3XK25M00000

CTS Corporation

CRYSTAL 25.0000MHZ 8PF SMD

0

445C23E25M00000

445C23E25M00000

CTS Corporation

CRYSTAL 25.0000MHZ 20PF 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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