Resonators

Image Part Number Description / PDF Quantity Rfq
CD4M000000S001

CD4M000000S001

NextGen Components

CERAMIC RESONATOR 4.0MHZ,

20000

CRTC 4.91MG TLF

CRTC 4.91MG TLF

NextGen Components

CERAMIC RESONATOR 4.91MHZ SMD

14000

CG8M000000S001

CG8M000000S001

NextGen Components

CERAMIC RESONATOR 8.0MHZ SMD

12000

CD2M000000S001

CD2M000000S001

NextGen Components

CERAMIC RESONATOR 2.0MHZ,

4000

CRTC4.0MG TLF

CRTC4.0MG TLF

NextGen Components

CERAMIC RESONATOR 4.00MHZ SMD

3000

CRTW 2.0MG TLF

CRTW 2.0MG TLF

NextGen Components

CERAMIC RESONATOR 2.0MHZ,

6000

Resonators

1. Overview

Resonators are passive electronic components that generate stable frequencies by utilizing the mechanical resonance of piezoelectric materials (e.g., quartz, ceramic) or surface acoustic waves (SAW). They are critical for timing, frequency control, and signal processing in modern electronics. Oscillators integrate resonators with active circuitry to produce periodic signals, while crystals refer to raw piezoelectric elements. These components ensure synchronization and reliability in communication systems, industrial equipment, and consumer devices.

2. Main Types and Functional Classification

TypeFunction FeaturesApplications
Quartz Crystal ResonatorsHigh Q-factor, excellent temperature stabilityMicroprocessors, GPS modules
Ceramic ResonatorsLower cost, moderate stabilityRemote controls, IoT sensors
SAW ResonatorsHigh-frequency operation (GHz range), compact size5G base stations, automotive radar
MEMS ResonatorsMiniaturized, temperature-compensatedWearables, medical implants

3. Structure and Composition

A typical resonator includes: - Piezoelectric Material: Quartz (for crystal resonators) or ceramic (for ceramic resonators) that vibrates under electric fields. - Electrodes: Metal coatings (e.g., silver, gold) to apply voltage and detect vibrations. - Encapsulation: Metal or ceramic housing to protect against environmental factors. - SAW Resonators: Feature interdigital transducers (IDTs) on piezoelectric substrates (e.g., lithium niobate) to generate surface acoustic waves.

4. Key Technical Parameters

ParameterDescription & Importance
Frequency ToleranceDeviation from nominal frequency ( ppm), critical for system synchronization
Q-FactorQuality factor indicating energy loss; higher Q ensures better frequency selectivity
Temperature StabilityFrequency drift per C (e.g., 30 ppm/ C), vital for harsh environments
Equivalent Series Resistance (ESR)Affects oscillator startup time and signal purity
Load CapacitanceRequired for tuning in oscillator circuits

5. Application Fields

  • Telecommunications: 5G transceivers, fiber-optic networks
  • Automotive: Engine control units (ECUs), tire pressure sensors
  • Consumer Electronics: Smartphones, smartwatches
  • Industrial: PLCs, precision sensors
  • Medical: Pacemakers, ultrasound imaging devices

6. Leading Manufacturers and Products

ManufacturerRepresentative Products
Murata ManufacturingCSTCE Series Ceramic Resonators
TDK CorporationFK1610 Series MEMS Oscillators
Epson ElectronicsSG-8003 Series Crystal Oscillators
Sitime CorporationSIM3-Series Automotive MEMS Resonators
KyoceraDF23SA Series SAW Filters

7. Selection Guidelines

Consider the following factors when choosing resonators: - Frequency Requirements: Match tolerance and stability to application needs. - Environmental Conditions: High-temperature stability for automotive or industrial use. - Size Constraints: MEMS resonators for miniaturized designs. - Cost vs. Performance: Ceramic resonators for budget-sensitive projects with relaxed stability needs. - Integration: Ensure compatibility with oscillator circuit design (e.g., load capacitance).

8. Industry Trends

Future developments include: - Micromachining: MEMS resonators achieving higher stability and shock resistance. - Higher Frequencies: Demand for sub-6GHz and mmWave SAW resonators in 5G. - Low-Power Solutions: Optimization for IoT and wearable devices. - AI Integration: Self-adjusting resonators using machine learning for dynamic environments. - Material Innovation: Use of aluminum nitride (AlN) and gallium nitride (GaN) for improved thermal performance.

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