Crystals

Image Part Number Description / PDF Quantity Rfq
FL1600172Q

FL1600172Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 16.0000MHZ 12PF SMD

0

FL2500038Q

FL2500038Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 18PF SMD

0

FL2000065

FL2000065

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 20.0000MHZ 18PF SMD

0

FL5400024

FL5400024

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 54.0000MHZ 16PF SMD

0

FL3000080Q

FL3000080Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 30.0000MHZ 22PF SMD

0

FL4000040

FL4000040

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 40.0000MHZ 15PF SMD

0

FL3000069

FL3000069

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 30.0000MHZ 10PF SMD

0

FL1600153Q

FL1600153Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL1200074

FL1200074

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 12.0000MHZ 20PF SMD

0

FY1200046

FY1200046

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL5400018

FL5400018

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL2500330

FL2500330

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 18PF SMD

0

FL2700041

FL2700041

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 27.0000MHZ 18PF SMD

0

FL5000025

FL5000025

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 50.0000MHZ 18PF SMD

0

FH4000050

FH4000050

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 40.0000MHZ 12PF SMD

0

GC0800044

GC0800044

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 8.0000MHZ 16PF SMD

736

FL4000067

FL4000067

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 40.0000MHZ 9PF SMD

0

FL3840017

FL3840017

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 38.4000MHZ 10PF SMD

0

FL4800079

FL4800079

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 48.0000MHZ 8PF SMD

0

FW3000021Q

FW3000021Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 30.0000MHZ 6PF 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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