Crystals

Image Part Number Description / PDF Quantity Rfq
FL4800070

FL4800070

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 48.0000MHZ 10PF SMD

0

FL2700123Q

FL2700123Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL2400179

FL2400179

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 24.0000MHZ 7PF SMD

0

FY1920016

FY1920016

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 19.2000MHZ 18PF SMD

0

FY2500087

FY2500087

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 18PF SMD

0

FL5000034

FL5000034

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 50.0000MHZ 16PF SMD

0

FL4000061

FL4000061

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 40.0000MHZ 15PF SMD

0

FY2500102

FY2500102

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 15PF SMD

0

FL2500134

FL2500134

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 18PF SMD

0

FL4000030

FL4000030

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL2500165Q

FL2500165Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 18PF SMD

0

FW2500025Z

FW2500025Z

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 20PF SMD

5248

FL2500244

FL2500244

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 18PF SMD

0

FW2400031

FW2400031

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 24.0000MHZ 12PF SMD

0

FL3200081

FL3200081

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 32.0000MHZ 10PF SMD

0

FL2000117

FL2000117

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 20.0000MHZ 12PF SMD

0

FL2000044

FL2000044

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 20.0000MHZ 18PF SMD

0

FH2000023

FH2000023

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 20.0000MHZ 16PF SMD

0

FW2710017Q

FW2710017Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 27.1200MHZ 6PF SMD

0

FL2500076

FL2500076

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 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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