Crystals

Image Part Number Description / PDF Quantity Rfq
SXTHM218FC274-24.576MT

SXTHM218FC274-24.576MT

Suntsu Electronics, Inc.

CRYSTAL 24.5760MHZ 18PF SMD

0

SXT22417CC16-25.000MT

SXT22417CC16-25.000MT

Suntsu Electronics, Inc.

CRYSTAL 25.0000MHZ 17PF SMD

3932

SXT21418EB48-27.000MT

SXT21418EB48-27.000MT

Suntsu Electronics, Inc.

CRYSTAL 27.0000MHZ 18PF SMD

0

SXT22411CB16-16.000MT

SXT22411CB16-16.000MT

Suntsu Electronics, Inc.

CRYSTAL 16.0000MHZ 11PF SMD

0

SXT1148DB07-30.000MT

SXT1148DB07-30.000MT

Suntsu Electronics, Inc.

CRYSTAL 30.0000MHZ 8PF SMD

0

SXT1148EA38-32.000MT

SXT1148EA38-32.000MT

Suntsu Electronics, Inc.

CRYSTAL 32.0000MHZ 8PF SMD

0

SXT3248ED16-27.120MT

SXT3248ED16-27.120MT

Suntsu Electronics, Inc.

CRYSTAL 27.1200MHZ 8PF SMD

0

SXT1147CC48-25.000MT

SXT1147CC48-25.000MT

Suntsu Electronics, Inc.

CRYSTAL 25.0000MHZ 7PF SMD

0

SXT22419AA07-24.576MT

SXT22419AA07-24.576MT

Suntsu Electronics, Inc.

CRYSTAL 24.5760MHZ 19PF SMD

0

SXT1148FE38-40.000MT

SXT1148FE38-40.000MT

Suntsu Electronics, Inc.

CRYSTAL 40.0000MHZ 8PF SMD

0

SXT21410DD27-25.000MT

SXT21410DD27-25.000MT

Suntsu Electronics, Inc.

CRYSTAL 25.0000MHZ 10PF SMD

0

SXT2148FE16-16.000MT

SXT2148FE16-16.000MT

Suntsu Electronics, Inc.

CRYSTAL 16.0000MHZ 8PF SMD

0

SXT22412FE17-27.120MT

SXT22412FE17-27.120MT

Suntsu Electronics, Inc.

CRYSTAL 27.1200MHZ 12PF SMD

0

SXT22419AA27-30.000MT

SXT22419AA27-30.000MT

Suntsu Electronics, Inc.

CRYSTAL 30.0000MHZ 19PF SMD

0

SXT32412FB07-32.000MT

SXT32412FB07-32.000MT

Suntsu Electronics, Inc.

CRYSTAL 32.0000MHZ 12PF SMD

0

SXT21418FA16-40.000MT

SXT21418FA16-40.000MT

Suntsu Electronics, Inc.

CRYSTAL 40.0000MHZ 18PF SMD

0

SXTHM218CB384-32.000MT

SXTHM218CB384-32.000MT

Suntsu Electronics, Inc.

CRYSTAL 32.0000MHZ 18PF SMD

0

SXTHM212BB484-16.000MT

SXTHM212BB484-16.000MT

Suntsu Electronics, Inc.

CRYSTAL 16.0000MHZ 12PF SMD

5860

SXT21421AA27-24.000MT

SXT21421AA27-24.000MT

Suntsu Electronics, Inc.

CRYSTAL 24.0000MHZ 21PF SMD

0

SXT21412DB27-24.000MT

SXT21412DB27-24.000MT

Suntsu Electronics, Inc.

CRYSTAL 24.0000MHZ 12PF 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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