Ceramic Resonator

 

Your Professional Ceramic Resonator Supplier
 

Suzhou Hangjing Elec & Tech Co., Ltd., founded in 2014, is a technology-driven small and medium-sized enterprise (SME) specializing in the full-spectrum R&D, design, production, and sales of quartz frequency control components. Rooted in a professional team and advanced manufacturing expertise, the company has developed a robust product portfolio encompassing quartz crystals, crystal oscillators, TCXO, VCXO, OCXO, crystal filters-ranging from foundational components to tailored systems.

 

 
 
Why choose us

Superior Quality

A precision supply chain ensuring consistent product quality;An ultra-low failure rate validated by rigorous testing;High-quality materials and advanced technology make the product more reliable.

Service Advantages

A customer-centric service framework (covering pre-sales consultation to post-sales support) that prioritizes rapid response. 24-hour online service, timely and fast quotation for you.

Sales Market

Our Products has expanded into key international regions including Europe, Southeast Asia, the Americas, Oceania, and other major markets. This global network enables the company to provide full support to leading electronics manufacturers around the world, while maintaining a strong focus on high-quality products.

Our Certificate

All our products have passedGB/T 19001 - 2016/ISO 9001:2015 Quality Management System Standard, This demonstrates that they meet international standards for quality, safety, and performance.

 

 

Ceramic Resonator

 

 

Ceramic resonators are fundamental components within electronic circuits, serving a crucial role in generating precise oscillations or frequencies. Unlike their counterparts, quartz crystals, ceramic resonators are composed of ceramic materials, typically lead zirconate titanate (PZT). These materials exhibit piezoelectric properties, meaning they generate an electric charge when subjected to mechanical stress.

 

Part Number

Frequency Range (MHZ)

Frequency Accuracy (25℃)(%)

Stability over Temperature (-25"+85℃)(%)

Operating Temperature (℃)

Aging for Ten years (%)

HC TT1

2.00- 8.00

±0.5

±0.3

-25 ~+85

±0.3

HC TT2

4.00- 8.00

±0.5

±0.3

- 25~+85

±0.3

HC TT3

8.00- 12.00

±0.5

±0.3

- 25~+85

±0.3

HC TT4

6.00- 13.00

±0.5

±0.4

-25 ~+85

±0.3

HC TT5

8.00- 13.00

±0.5

±0.4

-25 ~+85

±0.3

HC TT4

13.01- 60.00

±0.5

±0.3

-25 ~+85

±0.3

HC TT5

16.00- 60.00

±0.5

±0.3

-25 ~+85

±0.3

HC TT6

20.00- 60.00

±0.5

±0.3

-25 ~+85

±0.3

HC TT7

24.00- 60.00

±0.5

±0.3

-25 ~+85

±0.3

HC TT8

2.00- 12.00

±0.5

±0.3

-25 ~+85

±0.3

 

Advantages of Ceramic Resonator

 

Frequency Stability

Maintains frequency deviation within ±0.5% over a wide temperature range (-20°C to +70°C), ensuring circuit reliability.

01

High Q

Quality factors can reach thousands of ppm, effectively suppressing signal interference outside the resonant frequency.

02

Shock Resistance

The ceramic matrix structure withstands mechanical vibration and shock, adapting to harsh operating environments.

03

Cost-Effectiveness

Compared to crystal oscillators, manufacturing costs are approximately 30%-50% lower, making it suitable for large-scale applications.

04

Temperature Compensation

Through optimized material formulation, the frequency temperature coefficient can be controlled within ±30ppm/°C.

05

 

Types of Ceramic Resonator

Surface-Mount Ceramic Resonators: These are compact ceramic resonators designed for surface-mounting directly onto circuit boards, making them ideal for space-constrained applications. They are available in various package sizes and frequency ranges.

 

Through-Hole Ceramic Resonators: These resonators feature leads that can be soldered onto a circuit board through pre-drilled holes. They offer robust mechanical support and are suitable for applications where ruggedness is required.

Miniature Ceramic Resonators

Miniature ceramic resonators are smaller in size compared to standard versions, making them suitable for applications where space is at a premium. They maintain high stability and accuracy despite their compact form factor.

High-Frequency Ceramic Resonators

Designed to operate at higher frequencies, these resonators are capable of generating oscillations in the megahertz range. They are commonly used in applications such as radio frequency (RF) communication and timing circuits.

Temperature-Compensated Ceramic Resonators

These resonators incorporate temperature compensation mechanisms to maintain stable frequency output over a wide temperature range. They are essential in environments where temperature fluctuations are significant.

 

Applications of Ceramic Resonator

 

Microcontroller Clock Generation: Ceramic resonators are frequently used as clock sources for microcontrollers[KY1] and other digital integrated circuits. They provide stable timing signals essential for synchronizing the operation of these devices.

 

Remote Controls: Infrared (IR) remote controls rely on ceramic resonators to generate carrier frequencies for transmitting commands to electronic devices such as televisions, DVD players, and air conditioners.

 

Automotive Electronics: Ceramic resonators find widespread use in automotive electronics for applications such as engine control units (ECUs), tire pressure monitoring systems (TPMS), and keyless entry systems.

 

Consumer Electronics: From digital clocks and alarm systems to home appliances and personal gadgets, ceramic resonators are integral to the operation of numerous consumer electronic devices.

 

Wireless Communication: Ceramic resonators are employed in wireless communication systems, including Wi-Fi routers, Bluetooth modules, and cellular phones, to ensure accurate frequency generation and synchronization.

Ceramic Resonator with High Stability

 

Working Principle of Ceramic Resonator

 

 

Piezoelectric Effect

Certain ceramic materials, such as lead zirconate titanate (PZT), exhibit the piezoelectric effect.This means they deform mechanically when an electrical voltage is applied and, conversely, generate an electrical voltage when subjected to mechanical stress.

 

Mechanical Resonance

The shape and dimensions of the ceramic resonator are designed to achieve mechanical resonance at a specific frequency.At this frequency, a small electrical excitation produces strong mechanical vibrations.

 

Electromechanical Coupling

The piezoelectric effect ensures energy conversion between electrical and mechanical forms.An electrical signal at the resonant frequency induces strong mechanical vibrations, which then generate a significant electrical signal at the same frequency.

 

 

Accuracy and Stability of Ceramic Resonators

Temperature Variation
Temperature fluctuations significantly impact the resonant frequency of ceramic resonators. Typically, as temperature increases, the resonant frequency decreases. This effect, known as the temperature coefficient, is inherent to the piezoelectric material used.

 

Aging
Over time, the resonant frequency of a ceramic resonator can drift. This phenomenon, known as aging, is attributed to gradual changes within the piezoelectric material’s structure. The rate of aging is typically highest during the initial operational period, gradually slowing down as the resonator stabilizes.

 

Manufacturing Tolerances
Variations in the manufacturing process result in slight differences in the physical dimensions and material properties of individual resonators. These inconsistencies lead to variations in the initial resonant frequency across a batch of resonators, impacting accuracy. Designers often consider this inherent tolerance when selecting a resonator for a specific application, ensuring that the device operates within acceptable frequency limits.

 

Load Capacitance
The external circuitry connected to a ceramic resonator affects its operating frequency. The load capacitance, including the capacitance of the circuit traces, load capacitors, and input capacitance of the microcontroller, forms part of the resonant circuit and directly influences the oscillation frequency. The datasheet specifies the optimal load capacitance for a given resonator, and designers must ensure that the actual load capacitance in their circuit matches this to achieve the desired frequency. Any mismatch can result in frequency deviations and instability.

 

Mechanical Stress
External mechanical stresses applied to the ceramic resonator can also alter its resonant frequency. Physical vibrations or pressure on the device may induce changes in its crystal structure or material properties, causing slight but noticeable frequency shifts. This is especially relevant in applications that involve shock or vibration, for which it is important to minimize such stresses.

Small Size SMD Ceramic Resonator HCTA

 

How to choose Ceramic Resonator

 

Frequency Stability: The resonator's frequency stability over temperature variations and aging effects is crucial for maintaining accurate timing in electronic circuits. Choose a resonator with a low frequency drift and tight frequency tolerance for applications requiring precise timing.

 

Operating Frequency Range: Ensure that the resonator's operating frequency range aligns with the requirements of your application. Ceramic resonators are available in various frequency ranges, from a few kilohertz to several megahertz, so select one that suits your specific frequency needs.

 

Temperature Coefficient: The temperature coefficient of the resonator determines how its frequency changes with temperature variations. Look for resonators with temperature-compensated designs or low temperature coefficients to minimize frequency drift over temperature.

 

Package Size and Mounting: Consider the physical dimensions and mounting options of the ceramic resonator, especially if space is limited in your application. Surface-mount and through-hole package options are available, so choose the one that best fits your circuit board layout and assembly process.

 

Load Capacitance: The load capacitance of the resonator must match the requirements of the associated oscillator circuit. Ensure compatibility between the resonator's load capacitance and the capacitance of the oscillator circuit to achieve optimal frequency stability and performance.

 

Certificates

 

 

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FAQ

 

Q: How do ceramic resonators compare to quartz crystals in terms of precision?

A: Ceramic resonators are generally less precise than quartz crystals. This is because ceramic capacitor frequency stability is slightly affected by temperature changes. Quartz crystals, on the other hand, offer higher precision. They are preferred for applications where ultra-high accuracy is required.

Q: What is the main advantage of using a ceramic resonator in low-power devices?

A: A ceramic resonator has low power consumption. This makes it ideal for battery-operated devices such as watches and portable electronics. It helps extend battery life by consuming minimal power during operation.

Q: Can ceramic resonators be used in high-frequency applications?

A: Ceramic resonators are suitable for frequencies up to several megahertz. This makes them useful in most radio frequency applications. However, for ultra-high-frequency applications, quartz crystals will be a better option due to their superior frequency stability.

Q: How does temperature affect the performance of ceramic resonators?

A: Ceramic resonators have a low-temperature coefficient. It means their oscillation frequency remains stable even when temperatures fluctuate. This feature makes them suitable for use in devices exposed to extreme or varying temperatures.

Q: Are ceramic resonators durable for use in rugged environments?

A: Yes, ceramic resonators are designed to be durable. They are resistant to shock and vibrations. It gives them a reliable option for electronic devices used in tough conditions, such as automotive and industrial machinery.

We're professional ceramic resonator manufacturers and suppliers in China, providing high quality customized products with low price. If you're going to wholesale discount ceramic resonator, welcome to get quotation and free sample from our factory.

Ceramic Resonator with High Stability, frequency control devices, Small Size SMD Ceramic Resonator HCTA