Crystals

Image Part Number Description / PDF Quantity Rfq
FY0800042

FY0800042

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 8.0000MHZ 16PF SMD

0

FL1600043

FL1600043

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 16.0000MHZ 9PF SMD

54

FL2600050

FL2600050

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 26.0000MHZ 10PF SMD

0

FL1430008

FL1430008

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 14.31818MHZ 20PF SMD

0

FH1600031

FH1600031

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 16.0000MHZ 8PF SMD

0

FL2500062

FL2500062

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 18PF SMD

0

FL2700056Z

FL2700056Z

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 27.0000MHZ 18PF SMD

0

FH4800014

FH4800014

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 48.0000MHZ 10PF SMD

1689

FL4000091

FL4000091

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 40.0000MHZ 15PF SMD

0

FH1600096Q

FH1600096Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 16.0000MHZ 18PF SMD

2013

FL2500156

FL2500156

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 16PF SMD

0

FW374WFBR2

FW374WFBR2

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 37.4000MHZ 16PF SMD

3350

FL4000163

FL4000163

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL2500317Q

FL2500317Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 12PF SMD

0

FL2450025

FL2450025

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 24.5760MHZ 12PF SMD

0

FL1200012

FL1200012

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FW3000011

FW3000011

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 30.0000MHZ 8PF SMD

0

FH2000065Q

FH2000065Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL3840006

FL3840006

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 38.4000MHZ 10PF SMD

0

FL1220025M

FL1220025M

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

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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