Crystals

Image Part Number Description / PDF Quantity Rfq
SA204250F35HAR

SA204250F35HAR

CTS Corporation

CRYSTAL 25.0000MHZ 10PF SMD

0

445C35D24M00000

445C35D24M00000

CTS Corporation

CRYSTAL 24.0000MHZ 18PF SMD

0

416F37013ITR

416F37013ITR

CTS Corporation

CRYSTAL 37.0000MHZ 6PF SMD

0

445W33D12M00000

445W33D12M00000

CTS Corporation

CRYSTAL 12.0000MHZ 18PF SMD

0

445I23D12M00000

445I23D12M00000

CTS Corporation

CRYSTAL 12.0000MHZ 18PF SMD

0

445A35C20M00000

445A35C20M00000

CTS Corporation

CRYSTAL 20.0000MHZ 16PF SMD

0

402F20011CKR

402F20011CKR

CTS Corporation

CRYSTAL 20.0000MHZ 8PF SMD

0

416F32013ATR

416F32013ATR

CTS Corporation

CRYSTAL 32.0000MHZ 6PF SMD

0

445C22B24M00000

445C22B24M00000

CTS Corporation

CRYSTAL 24.0000MHZ 13PF SMD

0

402F24022ILR

402F24022ILR

CTS Corporation

CRYSTAL 24.0000MHZ 12PF SMD

0

445A22C30M00000

445A22C30M00000

CTS Corporation

CRYSTAL 30.0000MHZ 16PF SMD

0

445C33S13M00000

445C33S13M00000

CTS Corporation

CRYSTAL 13.0000MHZ SERIES SMD

0

416F4801XCAR

416F4801XCAR

CTS Corporation

CRYSTAL 48.0000MHZ 10PF SMD

0

406C35B48M00000

406C35B48M00000

CTS Corporation

CRYSTAL 48.0000MHZ 13PF SMD

0

445C22H24M57600

445C22H24M57600

CTS Corporation

CRYSTAL 24.5760MHZ 32PF SMD

0

445I32L24M57600

445I32L24M57600

CTS Corporation

CRYSTAL 24.5760MHZ 12PF SMD

0

416WF32012IMR

416WF32012IMR

CTS Corporation

CRYSTAL 32.0000MHZ 4PF SMD

3000

407F39D036M0000

407F39D036M0000

CTS Corporation

CRYSTAL 36.0000MHZ 18PF SMD

0

445W25H24M57600

445W25H24M57600

CTS Corporation

CRYSTAL 24.5760MHZ 32PF SMD

0

445C3XH24M57600

445C3XH24M57600

CTS Corporation

CRYSTAL 24.5760MHZ 32PF 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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