Crystals

Image Part Number Description / PDF Quantity Rfq
SXTHM218FC274-40.000MT

SXTHM218FC274-40.000MT

Suntsu Electronics, Inc.

CRYSTAL 40.0000MHZ 18PF SMD

0

SXT11413DA38-26.000MT

SXT11413DA38-26.000MT

Suntsu Electronics, Inc.

CRYSTAL 26.0000MHZ 13PF SMD

0

SXT32412EC27-16.000MT

SXT32412EC27-16.000MT

Suntsu Electronics, Inc.

CRYSTAL 16.0000MHZ 12PF SMD

0

SXTHM218CB484-25.000MT

SXTHM218CB484-25.000MT

Suntsu Electronics, Inc.

CRYSTAL 25.0000MHZ 18PF SMD

0

SXT22410CA48-27.000MT

SXT22410CA48-27.000MT

Suntsu Electronics, Inc.

CRYSTAL 27.0000MHZ 10PF SMD

0

SXT21413BA48-32.000MT

SXT21413BA48-32.000MT

Suntsu Electronics, Inc.

CRYSTAL 32.0000MHZ 13PF SMD

0

SXT21417AA16-25.000MT

SXT21417AA16-25.000MT

Suntsu Electronics, Inc.

CRYSTAL 25.0000MHZ 17PF SMD

0

SXT22418EE48-12.000MT

SXT22418EE48-12.000MT

Suntsu Electronics, Inc.

CRYSTAL 12.0000MHZ 18PF SMD

5022

SXT11412BB16-24.000MT

SXT11412BB16-24.000MT

Suntsu Electronics, Inc.

CRYSTAL 24.0000MHZ 12PF SMD

0

SXT2248FE38-25.000MT

SXT2248FE38-25.000MT

Suntsu Electronics, Inc.

CRYSTAL 25.0000MHZ 8PF SMD

0

SXT32418AA48-27.000MT

SXT32418AA48-27.000MT

Suntsu Electronics, Inc.

CRYSTAL 27.0000MHZ 18PF SMD

2320

SXT2148EB16-32.000MT

SXT2148EB16-32.000MT

Suntsu Electronics, Inc.

CRYSTAL 32.0000MHZ 8PF SMD

6000

SXT32410FE17-48.000MT

SXT32410FE17-48.000MT

Suntsu Electronics, Inc.

CRYSTAL 48.0000MHZ 10PF SMD

0

SXT11410FB48-25.000MT

SXT11410FB48-25.000MT

Suntsu Electronics, Inc.

CRYSTAL 25.0000MHZ 10PF SMD

8000

SXT22418BA16-24.576MT

SXT22418BA16-24.576MT

Suntsu Electronics, Inc.

CRYSTAL 24.5760MHZ 18PF SMD

0

SXT1148FD17-48.000MT

SXT1148FD17-48.000MT

Suntsu Electronics, Inc.

CRYSTAL 48.0000MHZ 8PF SMD

0

SXT1147DA38-27.000MT

SXT1147DA38-27.000MT

Suntsu Electronics, Inc.

CRYSTAL 27.0000MHZ 7PF SMD

0

SXT22412DC17-20.000MT

SXT22412DC17-20.000MT

Suntsu Electronics, Inc.

CRYSTAL 20.0000MHZ 12PF SMD

0

SXT3248EA07-40.000MT

SXT3248EA07-40.000MT

Suntsu Electronics, Inc.

CRYSTAL 40.0000MHZ 8PF SMD

5860

SXT1148FC27-30.000MT

SXT1148FC27-30.000MT

Suntsu Electronics, Inc.

CRYSTAL 30.0000MHZ 8PF 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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