Crystals

Image Part Number Description / PDF Quantity Rfq
445I25L14M31818

445I25L14M31818

CTS Corporation

CRYSTAL 14.31818MHZ 12PF SMD

0

416F40035IDR

416F40035IDR

CTS Corporation

CRYSTAL 40.0000MHZ 18PF SMD

0

416F370XXAKR

416F370XXAKR

CTS Corporation

CRYSTAL 37.0000MHZ 8PF SMD

0

402F48012IAR

402F48012IAR

CTS Corporation

CRYSTAL 48.0000MHZ 10PF SMD

0

416F32025ITR

416F32025ITR

CTS Corporation

CRYSTAL 32.0000MHZ 6PF SMD

0

416F380X2ASR

416F380X2ASR

CTS Corporation

CRYSTAL 38.0000MHZ SERIES SMD

0

403I35E19M66080

403I35E19M66080

CTS Corporation

CRYSTAL 19.6608MHZ 20PF SMD

0

416F38022IKR

416F38022IKR

CTS Corporation

CRYSTAL 38.0000MHZ 8PF SMD

0

445W35C14M31818

445W35C14M31818

CTS Corporation

CRYSTAL 14.31818MHZ 16PF SMD

0

416F26025ISR

416F26025ISR

CTS Corporation

CRYSTAL 26.0000MHZ SERIES SMD

0

445C3XD14M31818

445C3XD14M31818

CTS Corporation

CRYSTAL 14.31818MHZ 18PF SMD

0

416F52011CTR

416F52011CTR

CTS Corporation

CRYSTAL 52.0000MHZ 6PF SMD

0

416F36033ILR

416F36033ILR

CTS Corporation

CRYSTAL 36.0000MHZ 12PF SMD

0

406I35B24M57600

406I35B24M57600

CTS Corporation

CRYSTAL 24.5760MHZ 13PF SMD

0

445A3XF24M57600

445A3XF24M57600

CTS Corporation

CRYSTAL 24.5760MHZ 24PF SMD

0

402F19222IKR

402F19222IKR

CTS Corporation

CRYSTAL 19.2000MHZ 8PF SMD

0

445C33B24M57600

445C33B24M57600

CTS Corporation

CRYSTAL 24.5760MHZ 13PF SMD

0

416F4801XASR

416F4801XASR

CTS Corporation

CRYSTAL 48.0000MHZ SERIES SMD

0

445W22K24M00000

445W22K24M00000

CTS Corporation

CRYSTAL 24.0000MHZ 8PF SMD

0

416F480XXCKR

416F480XXCKR

CTS Corporation

CRYSTAL 48.0000MHZ 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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