Crystals

Image Part Number Description / PDF Quantity Rfq
445W23A25M00000

445W23A25M00000

CTS Corporation

CRYSTAL 25.0000MHZ 10PF SMD

0

445W22K12M00000

445W22K12M00000

CTS Corporation

CRYSTAL 12.0000MHZ 8PF SMD

0

416F27113ATR

416F27113ATR

CTS Corporation

CRYSTAL 27.1200MHZ 6PF SMD

0

445I35D12M00000

445I35D12M00000

CTS Corporation

CRYSTAL 12.0000MHZ 18PF SMD

0

445I33B12M00000

445I33B12M00000

CTS Corporation

CRYSTAL 12.0000MHZ 13PF SMD

0

445W33B12M00000

445W33B12M00000

CTS Corporation

CRYSTAL 12.0000MHZ 13PF SMD

0

ATS081BSM-1

ATS081BSM-1

CTS Corporation

CRYSTAL 8.1920MHZ 18PF SMD

0

445I23J14M31818

445I23J14M31818

CTS Corporation

CRYSTAL 14.31818MHZ 9PF SMD

0

445W35D14M31818

445W35D14M31818

CTS Corporation

CRYSTAL 14.31818MHZ 18PF SMD

0

402F32012IAR

402F32012IAR

CTS Corporation

CRYSTAL 32.0000MHZ 10PF SMD

0

445A3XE30M00000

445A3XE30M00000

CTS Corporation

CRYSTAL 30.0000MHZ 20PF SMD

0

445W22B20M00000

445W22B20M00000

CTS Corporation

CRYSTAL 20.0000MHZ 13PF SMD

0

445I33K25M00000

445I33K25M00000

CTS Corporation

CRYSTAL 25.0000MHZ 8PF SMD

0

445W33S24M57600

445W33S24M57600

CTS Corporation

CRYSTAL 24.5760MHZ SERIES SMD

0

445I23F12M00000

445I23F12M00000

CTS Corporation

CRYSTAL 12.0000MHZ 24PF SMD

0

416F38023AAR

416F38023AAR

CTS Corporation

CRYSTAL 38.0000MHZ 10PF SMD

0

407F39D025M0000

407F39D025M0000

CTS Corporation

CRYSTAL 25.0000MHZ 18PF SMD

0

445A25A30M00000

445A25A30M00000

CTS Corporation

CRYSTAL 30.0000MHZ 10PF SMD

0

445W22B25M00000

445W22B25M00000

CTS Corporation

CRYSTAL 25.0000MHZ 13PF SMD

0

402F40033CLR

402F40033CLR

CTS Corporation

CRYSTAL 40.0000MHZ 12PF 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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