Crystals

Image Part Number Description / PDF Quantity Rfq
445A22E20M00000

445A22E20M00000

CTS Corporation

CRYSTAL 20.0000MHZ 20PF SMD

0

416F50022IKR

416F50022IKR

CTS Corporation

CRYSTAL 50.0000MHZ 8PF SMD

0

ATS123B-E

ATS123B-E

CTS Corporation

CRYSTAL 12.2960MHZ 18PF TH

0

445W3XS14M31818

445W3XS14M31818

CTS Corporation

CRYSTAL 14.31818MHZ SERIES SMD

0

402F2501XIKR

402F2501XIKR

CTS Corporation

CRYSTAL 25.0000MHZ 8PF SMD

0

416F26022CTR

416F26022CTR

CTS Corporation

CRYSTAL 26.0000MHZ 6PF SMD

0

ATS300BSM-1

ATS300BSM-1

CTS Corporation

CRYSTAL 30.0000MHZ 18PF SMD

0

445A31C16M00000

445A31C16M00000

CTS Corporation

CRYSTAL 16.0000MHZ 16PF SMD

0

445C23G24M57600

445C23G24M57600

CTS Corporation

CRYSTAL 24.5760MHZ 30PF SMD

0

403I35S30M00000

403I35S30M00000

CTS Corporation

CRYSTAL 30.0000MHZ SERIES SMD

0

ATS320SM-1E

ATS320SM-1E

CTS Corporation

CRYSTAL 32.0000MHZ SERIES SMD

0

ATS24B-E

ATS24B-E

CTS Corporation

CRYSTAL 24.5760MHZ 20PF TH

454

416F50023CDR

416F50023CDR

CTS Corporation

CRYSTAL 50.0000MHZ 18PF SMD

0

416F27033ATR

416F27033ATR

CTS Corporation

CRYSTAL 27.0000MHZ 6PF SMD

0

SA254207F35HAR

SA254207F35HAR

CTS Corporation

CRYSTAL 20.7360MHZ 10PF SMD

0

445I35J25M00000

445I35J25M00000

CTS Corporation

CRYSTAL 25.0000MHZ 9PF SMD

0

445C23E20M00000

445C23E20M00000

CTS Corporation

CRYSTAL 20.0000MHZ 20PF SMD

0

ATS122B

ATS122B

CTS Corporation

CRYSTAL 12.2880MHZ 18PF TH

1254

416F38412ALR

416F38412ALR

CTS Corporation

CRYSTAL 38.4000MHZ 12PF SMD

0

402F30711CKR

402F30711CKR

CTS Corporation

CRYSTAL 30.7200MHZ 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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