Crystals

Image Part Number Description / PDF Quantity Rfq
FL4000240

FL4000240

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 40.0000MHZ 15PF SMD

0

FL5540005Q

FL5540005Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 55.46667MHZ 8PF SMD

0

FW2600003

FW2600003

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 26.0000MHZ 10PF SMD

0

FH2000056Q

FH2000056Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 20.0000MHZ 12PF SMD

0

FH3200035Z

FH3200035Z

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 32.0000MHZ 18PF SMD

2918

FL2500155Z

FL2500155Z

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FY4000015W

FY4000015W

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL1600034

FL1600034

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 16.0000MHZ 9PF SMD

0

FW5000003

FW5000003

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 50.0000MHZ 12PF SMD

0

FW3200034

FW3200034

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 32.0000MHZ 8PF SMD

0

FL2400114Q

FL2400114Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 24.0000MHZ 10PF SMD

0

FL5000023

FL5000023

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 50.0000MHZ 18PF SMD

0

FY2400021

FY2400021

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

GC1200056

GC1200056

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 12.0000MHZ 18PF SMD

980

FL2600095

FL2600095

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 26.0000MHZ 20PF SMD

0

FL5000055

FL5000055

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 50.0000MHZ 12PF SMD

0

FL2500324

FL2500324

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 12PF SMD

0

FW2760002Q

FW2760002Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 27.6000MHZ 10PF SMD

0

FY1600082Q

FY1600082Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 16.0000MHZ 8PF SMD

0

FY2210004

FY2210004

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 22.1184MHZ 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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