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Why are piezoelectric buzzers in demand?

Piezoelectric materials produce electric signals when under mechanical stress. The process is reversible, that is it can produce mechanical output if electric signal is given as input. When electrical signal is given to these materials, they change their shape slightly. Let us dive into more details about this amazing part of machinery. 


What is a piezo buzzer? 

As the name suggest piezo buzzer is an electronic product that is used to produce a tone, alarm or buzz. Its light weight and simple in construction and low cost. Depending on the piezo ceramic buzzer specification its highly reliable and can be used in wide range of applications in varying sizes & frequencies. 

Our piezo buzzers offer high sound output, also as they can be mounted on circuit boards they can be used in wide range of applications & assemblies. All our prices are highly competitive with fast delivery time. 


How is piezoelectric buzzer used? 

The piezoelectric property was discovered by Pierre Currie & Jacques in 1880, when they found that some of the materials when applied with electric signals can produce mechanical output and vice versa. 

When a piezoelectric material is subjected to alternating current, it stretches and compresses in sequence with the frequency of current and hence produces and audible sound. 


Piezoelectric buzzer work in a voltage range of 3-250 V unlike magnetic buzzer which has a narrow operating range of 1-16 V. The power consumption also piezo buzzers are less than 30miliamperes, even at higher frequencies whereas for magnetic buzzer it may range from 30mA –100mA. These are some of the primary reasons why piezoelectric buzzer is preferred over magnetic buzzers. 


Applications Of Piezo Buzzers

Piezo buzzers are flexible and reliable due to which they produce monotone buzz to multi tone alarms hence they find huge application in small & high-density applications. Due to their low power consumption, they can be easily used in batter operated devices. So, in short, they are used in applications like alarms, warning devices & automobile alerts. Their wide range of audible signals find them applications in pest controlling devices. They also are used in computers, toys, games etc.


Audible Sound Transducers

Also called tone generators, these simple, compact, reliable piezoelectric audible sound transducers can produce high sound output from a small energy input. They are widely used in battery operated devices, timers, smoke alarms, telephone ringers, metal detectors etc.

Audible sound transducers consist of a thin disk of piezoelectric ceramic bonded to a thin metal diaphragm. When voltage is applied to the ceramic disk it deforms causing the metal diaphragm to bend and produce sound. Likewise, when a recurring voltage is applied to the ceramic disk the metal vibrates at frequency equal to the applied voltage and produces sound. The maximum sound is produced when the mechanical resonance frequency of the metal matches the frequency of electric signal applied.

The future Of Piezoelectricity

The piezoelectricity is an interesting part of nanotechnology and many tests are underway to harness its power in full form. If used well and in right direction piezoelectricity will be another technology with which we can reduce our dependency on fossil fuels to produce the amount of energy we need.

The Future of IoT: Trends and Predictions for the Next 5 Years

By Swetha Parvathy • February 24, 2025
The Internet of Things (IoT) has revolutionized the way we live and work, connecting billions of devices and transforming industries. As we look to the future, it's clear that IoT will continue to play a major role in shaping our world. In this blog, we'll explore the top trends and predictions for the IoT industry over the next five years. Trend 1: Increased Adoption of Edge Computing Edge computing is a distributed computing paradigm that brings data processing closer to the source of the data, reducing latency and improving real-time decision-making. As IoT devices become more widespread, edge computing will become increasingly important for processing the vast amounts of data generated by these devices. Trend 2: Growing Importance of Artificial Intelligence (AI) and Machine Learning (ML) AI and ML will play a crucial role in the future of IoT, enabling devices to learn from their environment and make decisions autonomously. This will lead to increased efficiency, productivity, and innovation across various industries. Trend 3: Expansion of IoT into New Industries IoT is no longer limited to traditional industries like manufacturing and logistics. Over the next five years, we can expect to see IoT adoption in new industries such as: - Healthcare: IoT will enable remote patient monitoring, personalized medicine, and improved healthcare outcomes. - Agriculture: IoT will optimize crop yields, reduce waste, and improve supply chain efficiency. - Smart Cities: IoT will enable cities to become more efficient, sustainable, and livable. Trend 4: Increased Focus on Security and Privacy As IoT devices become more ubiquitous, security and privacy concerns will become increasingly important. We can expect to see a greater emphasis on secure-by-design principles, encryption, and secure data storage. Trend 5: Advancements in Wireless Communication Technologies Wireless communication technologies like 5G, Wi-Fi 6, and Bluetooth 5 will continue to evolve, enabling faster data transfer rates, lower latency, and greater connectivity. Prediction 1: IoT Devices Will Exceed 50 Billion by 2025 The number of IoT devices is expected to grow exponentially over the next five years, driven by increasing demand for smart home devices, wearables, and industrial IoT solutions. Prediction 2: IoT Will Drive Business Model Innovation IoT will enable new business models, such as product-as-a-service, data-driven services, and subscription-based models. Companies that adopt IoT will need to rethink their business strategies to remain competitive. Prediction 3: IoT Will Improve Sustainability and Reduce Carbon Footprint IoT will play a critical role in reducing carbon emissions and improving sustainability. By optimizing energy consumption, reducing waste, and improving supply chain efficiency, IoT will help companies meet their sustainability goals. Conclusion The future of IoT is exciting and rapidly evolving. Over the next five years, we can expect to see increased adoption of edge computing, AI, and ML, as well as expansion into new industries. As IoT continues to transform industries and improve our lives, it's essential to stay informed about the latest trends and predictions. By doing so, we can unlock the full potential of IoT and create a more connected, efficient, and sustainable world.

A Guide to Choosing the Right Inductors for Your Circuit

By Swetha Parvathy • February 13, 2025
Inductors are a crucial component in electronic circuits, playing a vital role in filtering, impedance matching, and energy storage. With so many types of inductors available, selecting the right one for your circuit can be a daunting task. In this guide, we'll walk you through the key factors to consider when choosing an inductor, helping you make an informed decision for your design. Understanding Inductor Types Before diving into the selection process, it's essential to understand the different types of inductors available: 1. Air Core Inductors: These inductors have no magnetic core and are often used in high-frequency applications. 2. Ferrite Core Inductors: Ferrite core inductors use a magnetic core to increase inductance and are commonly used in power supplies and filters. 3. Iron Core Inductors: Iron core inductors use a magnetic core made of iron and are often used in high-current applications. 4. Toroidal Inductors: Toroidal inductors have a doughnut-shaped core and are used in applications where a high inductance value is required. 5. Chip Inductors: Chip inductors are surface-mount devices that offer high inductance values in a small package. Key Factors to Consider When selecting an inductor, consider the following factors: 1. Inductance Value: Choose an inductor with the correct inductance value for your application. Inductance values range from a few nanohenries (nH) to several henries (H). 2. Current Rating: Select an inductor that can handle the maximum current required by your circuit. 3. Frequency Range: Choose an inductor that operates within the frequency range of your application. 4. DC Resistance: Consider the DC resistance of the inductor, as it can affect the overall efficiency of your circuit. 5. Physical Size: Select an inductor that fits within the physical constraints of your design. 6. Temperature Range: Choose an inductor that operates within the temperature range of your application. 7. Cost and Availability: Consider the cost and availability of the inductor, as well as any potential lead-time issues. Additional Considerations 1. Saturation Current: Be aware of the saturation current of the inductor, as it can affect the overall performance of your circuit. 2. Shielding: Consider the shielding requirements of your inductor, as it can affect the overall electromagnetic compatibility (EMC) of your design. 3. Mounting: Select an inductor with a suitable mounting option, such as through-hole or surface-mount. Conclusion Choosing the right inductor for your circuit requires careful consideration of several factors. By understanding the different types of inductors available and considering key factors such as inductance value, current rating, and frequency range, you can select the optimal inductor for your design. Remember to also consider additional factors such as saturation current, shielding, and mounting to ensure the best possible performance. Recommended Products - Ferrite Core Inductors: Our ferrite core inductors offer high inductance values and are suitable for a wide range of applications. - Chip Inductors: Our chip inductors are surface-mount devices that offer high inductance values in a small package. - Toroidal Inductors: Our toroidal inductors have a doughnut-shaped core and are used in applications where a high inductance value is required.
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