Crystals

Image Part Number Description / PDF Quantity Rfq
402F38422IDR

402F38422IDR

CTS Corporation

CRYSTAL 38.4000MHZ 18PF SMD

0

402WF27112IKR

402WF27112IKR

CTS Corporation

CRYSTAL 27.1200MHZ 8PF SMD

2926

SA254307F35HAR

SA254307F35HAR

CTS Corporation

CRYSTAL 30.7200MHZ 10PF SMD

0

416F26012ILR

416F26012ILR

CTS Corporation

CRYSTAL 26.0000MHZ 12PF SMD

0

416F2601XCTR

416F2601XCTR

CTS Corporation

CRYSTAL 26.0000MHZ 6PF SMD

0

416F380XXCKR

416F380XXCKR

CTS Corporation

CRYSTAL 38.0000MHZ 8PF SMD

0

445I23C25M00000

445I23C25M00000

CTS Corporation

CRYSTAL 25.0000MHZ 16PF SMD

0

445W31E30M00000

445W31E30M00000

CTS Corporation

CRYSTAL 30.0000MHZ 20PF SMD

0

416F250X3CTR

416F250X3CTR

CTS Corporation

CRYSTAL 25.0000MHZ 6PF SMD

0

416F5201XCLR

416F5201XCLR

CTS Corporation

CRYSTAL 52.0000MHZ 12PF SMD

0

445A25L20M00000

445A25L20M00000

CTS Corporation

CRYSTAL 20.0000MHZ 12PF SMD

0

416F38433CAR

416F38433CAR

CTS Corporation

CRYSTAL 38.4000MHZ 10PF SMD

0

445C3XF16M00000

445C3XF16M00000

CTS Corporation

CRYSTAL 16.0000MHZ 24PF SMD

0

416F50011CAR

416F50011CAR

CTS Corporation

CRYSTAL 50.0000MHZ 10PF SMD

0

MP160A

MP160A

CTS Corporation

CRYSTAL 16.0000MHZ 20PF TH

0

445W35F24M57600

445W35F24M57600

CTS Corporation

CRYSTAL 24.5760MHZ 24PF SMD

0

416F27012CDR

416F27012CDR

CTS Corporation

CRYSTAL 27.0000MHZ 18PF SMD

0

416F250X2ILR

416F250X2ILR

CTS Corporation

CRYSTAL 25.0000MHZ 12PF SMD

0

416F25022ASR

416F25022ASR

CTS Corporation

CRYSTAL 25.0000MHZ SERIES SMD

0

416F384X2CKR

416F384X2CKR

CTS Corporation

CRYSTAL 38.4000MHZ 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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