Crystals

Image Part Number Description / PDF Quantity Rfq
FL2700033

FL2700033

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 27.0000MHZ 12PF SMD

0

FL1600121Q

FL1600121Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 16.0000MHZ 8PF SMD

0

FL3600020

FL3600020

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 36.0000MHZ 16PF SMD

0

FL1200048

FL1200048

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 12.0000MHZ 18PF SMD

0

FL1220013

FL1220013

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 12.2880MHZ 18PF SMD

0

FL5400040

FL5400040

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 54.0000MHZ 10PF SMD

0

FL5000039

FL5000039

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL2860019

FL2860019

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 28.6360MHZ 18PF SMD

0

FY2600045

FY2600045

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 26.0000MHZ 20PF SMD

0

FW2400030

FW2400030

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 24.0000MHZ 8PF SMD

0

FL2860036Q

FL2860036Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 28.63636MHZ 8PF SMD

0

FY1220001

FY1220001

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FH4000067

FH4000067

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FY2500124

FY2500124

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 18PF SMD

0

FY0800008

FY0800008

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 8.0000MHZ 20PF SMD

0

FL2400148

FL2400148

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 24.0000MHZ 10PF SMD

0

FW1600029Q

FW1600029Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 16.0000MHZ 8PF SMD

2973

FW2500047Q

FW2500047Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 6PF SMD

0

FL2500148

FL2500148

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 20PF SMD

3000

FL2500414

FL2500414

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 15PF 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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