Crystals

Image Part Number Description / PDF Quantity Rfq
445I33H24M00000

445I33H24M00000

CTS Corporation

CRYSTAL 24.0000MHZ 32PF SMD

0

445A22H24M00000

445A22H24M00000

CTS Corporation

CRYSTAL 24.0000MHZ 32PF SMD

0

445C3XD27M00000

445C3XD27M00000

CTS Corporation

CRYSTAL 27.0000MHZ 18PF SMD

0

SA25424FF35HAR

SA25424FF35HAR

CTS Corporation

CRYSTAL 24.5454MHZ 10PF SMD

0

416F240X3ATR

416F240X3ATR

CTS Corporation

CRYSTAL 24.0000MHZ 6PF SMD

0

445A2XE12M00000

445A2XE12M00000

CTS Corporation

CRYSTAL 12.0000MHZ 20PF SMD

0

402F3071XIKR

402F3071XIKR

CTS Corporation

CRYSTAL 30.7200MHZ 8PF SMD

0

416F38011CAR

416F38011CAR

CTS Corporation

CRYSTAL 38.0000MHZ 10PF SMD

0

445I33B13M00000

445I33B13M00000

CTS Corporation

CRYSTAL 13.0000MHZ 13PF SMD

0

445C32J25M00000

445C32J25M00000

CTS Corporation

CRYSTAL 25.0000MHZ 9PF SMD

0

SA534540F35HLR

SA534540F35HLR

CTS Corporation

CRYSTAL 54.0000MHZ 12PF SMD

0

416F270X2CAR

416F270X2CAR

CTS Corporation

CRYSTAL 27.0000MHZ 10PF SMD

0

445W22L14M31818

445W22L14M31818

CTS Corporation

CRYSTAL 14.31818MHZ 12PF SMD

0

SA532374F35HLR

SA532374F35HLR

CTS Corporation

CRYSTAL 37.4000MHZ 12PF SMD

0

ATS040SM

ATS040SM

CTS Corporation

CRYSTAL 4.0000MHZ 20PF SMD

198

416F38422ASR

416F38422ASR

CTS Corporation

CRYSTAL 38.4000MHZ SERIES SMD

0

445W3XA12M00000

445W3XA12M00000

CTS Corporation

CRYSTAL 12.0000MHZ 10PF SMD

0

405I35B44M00000

405I35B44M00000

CTS Corporation

CRYSTAL 44.0000MHZ 13PF SMD

0

SA532180F35HDT

SA532180F35HDT

CTS Corporation

CRYSTAL 18.0000MHZ 18PF SMD

0

445C35E13M00000

445C35E13M00000

CTS Corporation

CRYSTAL 13.0000MHZ 20PF 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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