Crystals

Image Part Number Description / PDF Quantity Rfq
FW6000003

FW6000003

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 60.0000MHZ 7PF SMD

0

FL2500222

FL2500222

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.000625MHZ 12PF SMD

0

FL2860013

FL2860013

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 28.63636MHZ 20PF SMD

0

G33270010

G33270010

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 32.7680KHZ 6PF SMD

0

FY0800024

FY0800024

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 8.0000MHZ 20PF SMD

0

FY2500065

FY2500065

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 10PF SMD

0

FL1200180

FL1200180

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 12.0000MHZ 16PF SMD

0

FY1430047

FY1430047

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 14.31818MHZ 8PF SMD

0

FL2500049

FL2500049

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 10PF SMD

0

FL2500438Q

FL2500438Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 10PF SMD

0

FL2000038Q

FL2000038Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 20.0000MHZ 16PF SMD

0

FY2000056

FY2000056

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 20.0000MHZ 18PF SMD

0

FY2500004

FY2500004

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL3500001

FL3500001

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 35.0000MHZ 18PF SMD

0

FH3000017

FH3000017

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 30.0000MHZ 10PF SMD

0

FL2400067

FL2400067

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 24.0000MHZ 18PF SMD

116

FW1600008

FW1600008

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 16.0000MHZ 12PF SMD

0

FH2500033

FH2500033

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 10PF SMD

0

FL2500191

FL2500191

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 10PF SMD

0

FW3200025M

FW3200025M

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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