Crystals

Image Part Number Description / PDF Quantity Rfq
FL3000075Q

FL3000075Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 30.0000MHZ 10PF SMD

0

FL4000096

FL4000096

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 40.0000MHZ 15PF SMD

0

FH1600080Q

FH1600080Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 16.0000MHZ 8PF SMD

0

FL260WFMT1

FL260WFMT1

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 26.0000MHZ 12PF SMD

2430

FL2500026A

FL2500026A

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FW3000015Q

FW3000015Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 30.0000MHZ 8PF SMD

0

FL2710003

FL2710003

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 27.1200MHZ 12PF SMD

0

FW2500023Q

FW2500023Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 10PF SMD

0

FL2500336

FL2500336

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 20PF SMD

0

FW1600001

FW1600001

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 16.0000MHZ 8PF SMD

0

GB1100021

GB1100021

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 11.0592MHZ 30PF TH

781

FH2000058

FH2000058

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 20.0000MHZ 16PF SMD

0

FH3200001

FH3200001

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 32.0000MHZ 10PF SMD

0

FL1200023

FL1200023

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL2500154Z

FL2500154Z

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 8PF SMD

0

FL4000137

FL4000137

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL2500300

FL2500300

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 10PF SMD

0

FL4000138

FL4000138

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 40.0000MHZ 8PF SMD

0

FW2500018

FW2500018

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 10PF SMD

0

FL5400044

FL5400044

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 54.0000MHZ 19PF 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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