Crystals

Image Part Number Description / PDF Quantity Rfq
FL4800063Z

FL4800063Z

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 48.0000MHZ 8PF SMD

5975

FL1430019

FL1430019

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 14.31818MHZ 20PF SMD

0

FL2500012

FL2500012

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FH5400007Q

FH5400007Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 54.0000MHZ 10PF SMD

0

FW4000021

FW4000021

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 40.0000MHZ 10PF SMD

0

FL2000092

FL2000092

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 20.0000MHZ 8PF SMD

0

FL2000144

FL2000144

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL2000121

FL2000121

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 20.0000MHZ 7PF SMD

0

FL4000170

FL4000170

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 40.0000MHZ 11.5PF SMD

0

FL1200208Q

FL1200208Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 12.0000MHZ 8PF SMD

0

FY4800054

FY4800054

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 48.0000MHZ 18PF SMD

0

FL5200002Z

FL5200002Z

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL2500381

FL2500381

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 13PF SMD

0

FL2500264

FL2500264

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 10PF SMD

0

FL1200103

FL1200103

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 12.0000MHZ 12PF SMD

0

FL5540004Q

FL5540004Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 55.46667MHZ 9PF SMD

0

FL2500117

FL2500117

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.000625MHZ 18PF SMD

0

FH4000016

FH4000016

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 40.0000MHZ 12PF SMD

0

FL2000104

FL2000104

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 20.0000MHZ 10PF SMD

0

FL4000041

FL4000041

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 40.0000MHZ 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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