Crystals

Image Part Number Description / PDF Quantity Rfq
416F48022CAR

416F48022CAR

CTS Corporation

CRYSTAL 48.0000MHZ 10PF SMD

0

416F37035IKR

416F37035IKR

CTS Corporation

CRYSTAL 37.0000MHZ 8PF SMD

0

416F250X2ADR

416F250X2ADR

CTS Corporation

CRYSTAL 25.0000MHZ 18PF SMD

0

416F44025ILR

416F44025ILR

CTS Corporation

CRYSTAL 44.0000MHZ 12PF SMD

0

445C23L20M00000

445C23L20M00000

CTS Corporation

CRYSTAL 20.0000MHZ 12PF SMD

0

MP240A

MP240A

CTS Corporation

CRYSTAL 24.0000MHZ 20PF TH

0

416F360XXCTR

416F360XXCTR

CTS Corporation

CRYSTAL 36.0000MHZ 6PF SMD

0

445C3XS16M00000

445C3XS16M00000

CTS Corporation

CRYSTAL 16.0000MHZ SERIES SMD

0

416F5201XALR

416F5201XALR

CTS Corporation

CRYSTAL 52.0000MHZ 12PF SMD

0

416F37411AKR

416F37411AKR

CTS Corporation

CRYSTAL 37.4000MHZ 8PF SMD

0

445C33C12M00000

445C33C12M00000

CTS Corporation

CRYSTAL 12.0000MHZ 16PF SMD

0

ATS050

ATS050

CTS Corporation

CRYSTAL 5.0688MHZ 20PF TH

705

445A25G12M00000

445A25G12M00000

CTS Corporation

CRYSTAL 12.0000MHZ 30PF SMD

0

416F32011ALR

416F32011ALR

CTS Corporation

CRYSTAL 32.0000MHZ 12PF SMD

0

406I35E19M66080

406I35E19M66080

CTS Corporation

CRYSTAL 19.6608MHZ 20PF SMD

0

416F27123AKR

416F27123AKR

CTS Corporation

CRYSTAL 27.1200MHZ 8PF SMD

0

445A22F30M00000

445A22F30M00000

CTS Corporation

CRYSTAL 30.0000MHZ 24PF SMD

0

416F380X2IKR

416F380X2IKR

CTS Corporation

CRYSTAL 38.0000MHZ 8PF SMD

0

MP480

MP480

CTS Corporation

CRYSTAL 48.0000MHZ SERIES TH

0

416F384X3ISR

416F384X3ISR

CTS Corporation

CRYSTAL 38.4000MHZ SERIES 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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