Crystals

Image Part Number Description / PDF Quantity Rfq
FW5000006

FW5000006

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 50.0000MHZ 12PF SMD

0

FL2210013

FL2210013

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 22.1184MHZ 15PF SMD

0

FL2500047

FL2500047

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 18PF SMD

11

GC0800002

GC0800002

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 8.0000MHZ 18PF SMD

427

FY3000037

FY3000037

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 30.0000MHZ 20PF SMD

0

FY2500019

FY2500019

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FW2600057Q

FW2600057Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 26.0000MHZ 10PF SMD

0

FY1100007

FY1100007

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 11.0592MHZ 10PF SMD

0

FW3000016

FW3000016

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 30.0000MHZ 18PF SMD

0

FL2400100Q

FL2400100Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 24.0000MHZ 18PF SMD

0

FL3200034

FL3200034

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 32.0000MHZ 16PF SMD

0

FL1600044

FL1600044

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 16.0000MHZ 8PF SMD

1897

FY2450006

FY2450006

Zetex Semiconductors (Diodes Inc.)

CRYSTAL SURFACE MOUNT

0

FL2860040Q

FL2860040Q

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 28.63636MHZ 12PF SMD

0

FL4000172

FL4000172

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 40.0000MHZ 18PF SMD

0

FY2400071

FY2400071

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 24.0000MHZ 10PF SMD

0

FL1200122

FL1200122

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 12.0000MHZ 20PF SMD

0

FL2000086

FL2000086

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 20.0000MHZ 16PF SMD

0

FY2500107

FY2500107

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 25.0000MHZ 18PF SMD

0

FL1200105

FL1200105

Zetex Semiconductors (Diodes Inc.)

CRYSTAL 12.0000MHZ 7PF 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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