Crystals

Image Part Number Description / PDF Quantity Rfq
SXT2148DC07-48.000MT

SXT2148DC07-48.000MT

Suntsu Electronics, Inc.

CRYSTAL 48.0000MHZ 8PF SMD

0

SXT32418FD16-25.000MT

SXT32418FD16-25.000MT

Suntsu Electronics, Inc.

CRYSTAL 25.0000MHZ 18PF SMD

3124

SXT22410CC48-27.120MT

SXT22410CC48-27.120MT

Suntsu Electronics, Inc.

CRYSTAL 27.1200MHZ 10PF SMD

0

SXT21418EE38-26.000MT

SXT21418EE38-26.000MT

Suntsu Electronics, Inc.

CRYSTAL 26.0000MHZ 18PF SMD

0

SXT1148EA16-40.000MT

SXT1148EA16-40.000MT

Suntsu Electronics, Inc.

CRYSTAL 40.0000MHZ 8PF SMD

0

SXT32414AA38-38.400MT

SXT32414AA38-38.400MT

Suntsu Electronics, Inc.

CRYSTAL 38.4000MHZ 14PF SMD

0

SXT1147BA17-26.000MT

SXT1147BA17-26.000MT

Suntsu Electronics, Inc.

CRYSTAL 26.0000MHZ 7PF SMD

0

SXTHM218EA174-40.000MT

SXTHM218EA174-40.000MT

Suntsu Electronics, Inc.

CRYSTAL 40.0000MHZ 18PF SMD

0

SXT11412DB38-24.000MT

SXT11412DB38-24.000MT

Suntsu Electronics, Inc.

CRYSTAL 24.0000MHZ 12PF SMD

0

SXT11410CC38-40.000MT

SXT11410CC38-40.000MT

Suntsu Electronics, Inc.

CRYSTAL 40.0000MHZ 10PF SMD

0

SXT22418DA16-24.000MT

SXT22418DA16-24.000MT

Suntsu Electronics, Inc.

CRYSTAL 24.0000MHZ 18PF SMD

0

SXT21410EE48-30.000MT

SXT21410EE48-30.000MT

Suntsu Electronics, Inc.

CRYSTAL 30.0000MHZ 10PF SMD

0

SXT32419BB38-12.000MT

SXT32419BB38-12.000MT

Suntsu Electronics, Inc.

CRYSTAL 12.0000MHZ 19PF SMD

4068

SXT22411AA38-25.000MT

SXT22411AA38-25.000MT

Suntsu Electronics, Inc.

CRYSTAL 25.0000MHZ 11PF SMD

0

SXTHM217AA074-32.000MT

SXTHM217AA074-32.000MT

Suntsu Electronics, Inc.

CRYSTAL 32.0000MHZ 17PF SMD

0

SXT21410DB48-25.000MT

SXT21410DB48-25.000MT

Suntsu Electronics, Inc.

CRYSTAL 25.0000MHZ 10PF SMD

0

SXT22418DD16-20.000MT

SXT22418DD16-20.000MT

Suntsu Electronics, Inc.

CRYSTAL 20.0000MHZ 18PF SMD

0

SXT22420AA38-30.000MT

SXT22420AA38-30.000MT

Suntsu Electronics, Inc.

CRYSTAL 30.0000MHZ 20PF SMD

0

SXT32410DA16-16.000MT

SXT32410DA16-16.000MT

Suntsu Electronics, Inc.

CRYSTAL 16.0000MHZ 10PF SMD

0

SXT21410CB07-20.000MT

SXT21410CB07-20.000MT

Suntsu Electronics, Inc.

CRYSTAL 20.0000MHZ 10PF 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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