Crystals

Image Part Number Description / PDF Quantity Rfq
FL5000071Z

FL5000071Z

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 50.0000MHZ 10PF SMD

0

FW2500022Q

FW2500022Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 20PF SMD

0

FL3200022

FL3200022

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 32.0000MHZ 16PF SMD

45

FW3200021

FW3200021

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 32.0000MHZ 8PF SMD

0

FL2400192

FL2400192

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 24.0000MHZ 20PF SMD

0

FY1600094Q

FY1600094Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 16.0000MHZ 12PF SMD

0

GC2500162

GC2500162

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 20PF SMD

764

FL3740016

FL3740016

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 37.4000MHZ 20PF SMD

0

FH2000039

FH2000039

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 20.0000MHZ 8PF SMD

0

FL2000057

FL2000057

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 20.0000MHZ 18PF SMD

0

FL2700029

FL2700029

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 27.0000MHZ 18PF SMD

0

FL1600074

FL1600074

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 16.0000MHZ 12PF SMD

0

FL2500267

FL2500267

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 12PF SMD

0

FL4000276Q

FL4000276Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 40.0000MHZ 6PF SMD

0

FL4000224

FL4000224

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 40.0000MHZ 12PF SMD

0

FL3200038

FL3200038

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 32.0000MHZ 10PF SMD

0

FL4000141

FL4000141

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 40.0000MHZ 14PF SMD

0

FL2500240

FL2500240

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 18PF SMD

0

FL1200217Q

FL1200217Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 12.0000MHZ 12PF SMD

0

FY1120011

FY1120011

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 11.2896MHZ 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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