Crystals

Image Part Number Description / PDF Quantity Rfq
FL2400186Z

FL2400186Z

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 24.0000MHZ 15PF SMD

0

FY2500076

FY2500076

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 18PF SMD

0

FL2500373

FL2500373

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 20PF SMD

0

FL4910002

FL4910002

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 49.1520MHZ 10PF SMD

0

FY2400043

FY2400043

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 24.0000MHZ 20PF SMD

0

FL3900004

FL3900004

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 39.0000MHZ 8PF SMD

0

FL2000162Q

FL2000162Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 20.0000MHZ 10PF SMD

0

FL3600023

FL3600023

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 36.0000MHZ 12PF SMD

0

FL2500078

FL2500078

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 12PF SMD

0

FL4800043

FL4800043

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 48.0000MHZ 10PF SMD

0

FL2500279Z

FL2500279Z

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 12PF SMD

29

FL2000082

FL2000082

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 20.0000MHZ 16PF SMD

0

FL4000098

FL4000098

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 40.0000MHZ 15PF SMD

0

FY3000033

FY3000033

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 30.0000MHZ 18PF SMD

0

FH1600056

FH1600056

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 16.0000MHZ 10PF SMD

0

FL2000161Q

FL2000161Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 20.0000MHZ 10PF SMD

0

FL1600128

FL1600128

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL2500084

FL2500084

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 18PF SMD

0

FL2500395

FL2500395

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 18PF SMD

0

FL4000236Q

FL4000236Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 40.0000MHZ 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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