Crystals

Image Part Number Description / PDF Quantity Rfq
AM-40.000MEEQ-T

AM-40.000MEEQ-T

TXC Corporation

CRYSTAL 40.0000MHZ 10PF SMD

0

AT-20.000MAGE-T

AT-20.000MAGE-T

TXC Corporation

CRYSTAL 20.0000MHZ 12PF SMD

1923

7B25000012

7B25000012

TXC Corporation

CRYSTAL 25.0000MHZ 20PF SMD

0

7M-12.000MAHL-T

7M-12.000MAHL-T

TXC Corporation

CRYSTAL 12.0000MHZ 22PF SMD

0

7B14700101

7B14700101

TXC Corporation

CRYSTAL 14.7456MHZ 16PF SMD

0

AV-62.400MAHE-T

AV-62.400MAHE-T

TXC Corporation

CRYSTAL 62.4000MHZ 12PF SMD

0

AM-26.000MEIQ-T

AM-26.000MEIQ-T

TXC Corporation

CRYSTAL 26.0000MHZ 10PF SMD

0

7M26000038

7M26000038

TXC Corporation

CRYSTAL 26.0000MHZ 10PF SMD

0

AB-16.000MAME-T

AB-16.000MAME-T

TXC Corporation

CRYSTAL 16.0000MHZ 12PF SMD

0

9C10070006

9C10070006

TXC Corporation

CRYSTAL 10.0000MHZ 18PF SMD

0

7M-12.000MAHJ-T

7M-12.000MAHJ-T

TXC Corporation

CRYSTAL 12.0000MHZ 18PF SMD

0

9C-16.384MEEJ-T

9C-16.384MEEJ-T

TXC Corporation

CRYSTAL 16.3840MHZ 18PF SMD

0

9B12000689

9B12000689

TXC Corporation

CRYSTAL 12.0000MHZ 20PF TH

0

7M-13.560MAHJ-T

7M-13.560MAHJ-T

TXC Corporation

CRYSTAL 13.5600MHZ 18PF SMD

0

9C-15.360MEEJ-T

9C-15.360MEEJ-T

TXC Corporation

CRYSTAL 15.3600MHZ 18PF SMD

34

9B-64.000MAAE-B

9B-64.000MAAE-B

TXC Corporation

CRYSTAL 64.0000MHZ 12PF TH

0

7M24000020

7M24000020

TXC Corporation

CRYSTAL 24.0000MHZ 18PF SMD

0

7V25070003

7V25070003

TXC Corporation

CRYSTAL 25.0000MHZ 12PF SMD

0

7V-12.000MAAJ-T

7V-12.000MAAJ-T

TXC Corporation

CRYSTAL 12.0000MHZ 18PF SMD

0

7B-40.000MBBK-T

7B-40.000MBBK-T

TXC Corporation

CRYSTAL 40.0000MHZ 20PF 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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