Crystals

Image Part Number Description / PDF Quantity Rfq
FY4000022

FY4000022

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL2000122

FL2000122

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL1200128

FL1200128

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 12.0000MHZ 22PF SMD

0

FH2700019

FH2700019

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 27.0000MHZ 10PF SMD

0

FY4000087

FY4000087

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 40.0000MHZ 18PF SMD

0

FL2500405Q

FL2500405Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 8PF SMD

0

FH4000064

FH4000064

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL1100002

FL1100002

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 11.0592MHZ 20PF SMD

0

FH3000012Z

FH3000012Z

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 30.0000MHZ 10PF SMD

0

FL2500268Q

FL2500268Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 16PF SMD

0

FL1200050

FL1200050

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 12.0000MHZ 20PF SMD

0

FL2000114

FL2000114

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 20.0000MHZ 18PF SMD

0

FL1200006

FL1200006

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL2500187

FL2500187

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 20PF SMD

0

FL4000117

FL4000117

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 40.0000MHZ 12PF SMD

0

FY4000015

FY4000015

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL2700071

FL2700071

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 27.0000MHZ 18PF SMD

0

FH2700035Z

FH2700035Z

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 27.0000MHZ 12PF SMD

0

FW260WFMR1

FW260WFMR1

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 26.0000MHZ 9PF SMD

1988

FL2500105

FL2500105

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 12PF 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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