Crystals

Image Part Number Description / PDF Quantity Rfq
403C35E19M66080

403C35E19M66080

CTS Corporation

CRYSTAL 19.6608MHZ 20PF SMD

0

445A33F24M00000

445A33F24M00000

CTS Corporation

CRYSTAL 24.0000MHZ 24PF SMD

0

416F24023CLR

416F24023CLR

CTS Corporation

CRYSTAL 24.0000MHZ 12PF SMD

0

445I35A24M57600

445I35A24M57600

CTS Corporation

CRYSTAL 24.5760MHZ 10PF SMD

0

445A31H27M00000

445A31H27M00000

CTS Corporation

CRYSTAL 27.0000MHZ 32PF SMD

0

402F38412IAR

402F38412IAR

CTS Corporation

CRYSTAL 38.4000MHZ 10PF SMD

0

445C32D14M31818

445C32D14M31818

CTS Corporation

CRYSTAL 14.31818MHZ 18PF SMD

0

SA20428CF35HAR

SA20428CF35HAR

CTS Corporation

CRYSTAL 28.3220MHZ 10PF SMD

0

416F30025CLR

416F30025CLR

CTS Corporation

CRYSTAL 30.0000MHZ 12PF SMD

0

416F38025CDR

416F38025CDR

CTS Corporation

CRYSTAL 38.0000MHZ 18PF SMD

0

445W33K30M00000

445W33K30M00000

CTS Corporation

CRYSTAL 30.0000MHZ 8PF SMD

0

445I25E30M00000

445I25E30M00000

CTS Corporation

CRYSTAL 30.0000MHZ 20PF SMD

0

445A23F20M00000

445A23F20M00000

CTS Corporation

CRYSTAL 20.0000MHZ 24PF SMD

0

445W22H12M00000

445W22H12M00000

CTS Corporation

CRYSTAL 12.0000MHZ 32PF SMD

0

445A2XA14M31818

445A2XA14M31818

CTS Corporation

CRYSTAL 14.31818MHZ 10PF SMD

0

445W23C24M57600

445W23C24M57600

CTS Corporation

CRYSTAL 24.5760MHZ 16PF SMD

0

402F2401XIAR

402F2401XIAR

CTS Corporation

CRYSTAL 24.0000MHZ 10PF SMD

2601

416F2601XCAR

416F2601XCAR

CTS Corporation

CRYSTAL 26.0000MHZ 10PF SMD

0

SA532283F35HLR

SA532283F35HLR

CTS Corporation

CRYSTAL 28.3750MHZ 12PF SMD

0

445C3XK24M00000

445C3XK24M00000

CTS Corporation

CRYSTAL 24.0000MHZ 8PF 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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