Crystals

Image Part Number Description / PDF Quantity Rfq
FL3000032

FL3000032

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 30.0000MHZ 10PF SMD

0

FY2250003

FY2250003

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 22.5792MHZ 20PF SMD

0

FH2500035

FH2500035

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 9PF SMD

0

FH2400024

FH2400024

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 24.0000MHZ 20PF SMD

0

FL3740020Z

FL3740020Z

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL4000238Z

FL4000238Z

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL2500052

FL2500052

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 18PF SMD

0

FY1000020

FY1000020

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 10.0000MHZ 10PF SMD

890

FW2400063Q

FW2400063Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 24.0000MHZ 18PF SMD

887

FY2700071

FY2700071

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 27.0000MHZ 18PF SMD

0

FL2210008

FL2210008

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 22.1184MHZ 20PF SMD

0

FL6250001Z

FL6250001Z

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 62.5000MHZ 10PF SMD

0

FL2500132

FL2500132

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 10PF SMD

0

FH1200001

FH1200001

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 12.0000MHZ 20PF SMD

5180

FL2500416

FL2500416

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 12PF SMD

0

FY0800041

FY0800041

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 8.0000MHZ 20PF SMD

0

FL2450041Q

FL2450041Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 24.5760MHZ 8PF SMD

0

FY1200125

FY1200125

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 12.0000MHZ 18PF SMD

0

G23270006

G23270006

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 32.7680KHZ 6PF TH

2627

FL2000067

FL2000067

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 20.0000MHZ 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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