Crystals

Image Part Number Description / PDF Quantity Rfq
FQ1200007

FQ1200007

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 12.0000MHZ 18PF SMD

1035

FP0730017Z

FP0730017Z

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 7.3728MHZ 18PF SMD

0

FL2500120

FL2500120

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 12PF SMD

0

FL2400048

FL2400048

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 24.0000MHZ 12PF SMD

0

FH3840029Q

FH3840029Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 38.4000MHZ 8PF SMD

0

FL2860016

FL2860016

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 28.63636MHZ 16PF SMD

0

FL2000152Q

FL2000152Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 20.0000MHZ 10PF SMD

0

FY1020003

FY1020003

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 10.2400MHZ 20PF SMD

0

FL2000108

FL2000108

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 20.0000MHZ 16PF SMD

0

FL3740021Z

FL3740021Z

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL1430013

FL1430013

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 14.31818MHZ 12PF SMD

0

FW2000008

FW2000008

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 20.0000MHZ 12PF SMD

95

FW6000006Q

FW6000006Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 60.0000MHZ 8PF SMD

2446

FY2400064

FY2400064

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 24.0000MHZ 10PF SMD

0

FL6240009

FL6240009

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 62.4000MHZ 12PF SMD

0

FL2500273

FL2500273

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 18PF SMD

0

FL5540001Q

FL5540001Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 55.4667MHZ 9PF SMD

0

FY1000017Q

FY1000017Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 10.0000MHZ 10PF SMD

0

FL1920047

FL1920047

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 19.2000MHZ 18PF SMD

0

FL1200044

FL1200044

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 12.0000MHZ 18PF 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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