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【Daily Highlight】TVS Diode SMBJ17A: The "Guardian of Safety" for Domestic Medical Devices

release time:2025-04-23Author source:SlkorBrowse:908

In today's rapidly advancing technological landscape, the domestic medical device industry is flourishing, with various advanced medical equipment continuously emerging to safeguard public health. However, the stable operation of medical devices depends on reliable circuit protection. The Transient Voltage Suppression Diode SMBJ17A, with its exceptional performance, has become an indispensable "guardian of safety" in domestic medical devices.

 

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Slkor Transient Protection Diode SMBJ17A product photo

Precise Parameters, Laying a Reliable Foundation

 

The SMBJ17A boasts a range of precise and critical electrical parameters. Its reverse working voltage (Vrwm) is 17V, meaning it remains in a high-impedance state when the normal operating voltage is below 17V. This results in minimal current consumption and virtually no impact on the normal operation of the circuit, ensuring the high efficiency and stability of medical devices during regular use.

 

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Slkor Transient Protection Diode SMBJ17A specification

The breakdown voltage ranges from 18.9V to 21.7V, enabling the SMBJ17A to respond rapidly when abnormal overvoltage occurs in the circuit. When the voltage exceeds this range, it instantly conducts, guiding the overvoltage to a safe path and preventing damage to subsequent circuit components. The reverse leakage current (Ir) is just 5uA, a remarkably low leakage that significantly reduces energy loss and heat generation under normal operation, extending the device's lifespan and minimizing interference with other circuit components.

 

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Parameters of Slkor Transient Protection Diode SMBJ17A

The maximum clamping voltage is 27.6V, providing a clear upper limit for overvoltage protection. Regardless of the magnitude or duration of the overvoltage, the SMBJ17A can clamp it below 27.6V, effectively protecting sensitive electronic components such as amplifiers and microprocessors, ensuring that the core functions of medical devices are unaffected.

 

Versatile Applications, Safeguarding Medical Safety

 

In the various application scenarios of domestic medical devices, the SMBJ17A plays a crucial role. For example, in portable electrocardiogram (ECG) machines, it is essential to accurately capture and transmit weak ECG signals. During operation, the device may be affected by power fluctuations, electrostatic discharges, and other factors, potentially causing overvoltage in the circuit. If an overvoltage hits the ECG signal processing circuit, it could distort the signal, affecting the accuracy of diagnoses. The SMBJ17A, installed at the power input and key signal processing circuits, can quickly suppress the overvoltage, ensuring the integrity and accuracy of the ECG signal and providing doctors with reliable diagnostic data.

 

In ultrasound diagnostic machines, the weak signals generated by the ultrasound probe need to be amplified and processed to form clear images. Overvoltage interference can blur, distort, or even damage the equipment. The application of the SMBJ17A effectively prevents overvoltage damage to the ultrasound signal processing circuit, ensuring that the ultrasound machine operates optimally, providing doctors with high-quality images for accurate disease diagnosis.

 

Additionally, in various domestic medical devices like defibrillators and patient monitors, the SMBJ17A, with its exceptional performance, guarantees stable operation. It acts as a loyal guardian, constantly protecting the device’s circuits and ensuring proper function in complex environments.

 

Driving Growth, Supporting Medical Innovation

 

As the domestic medical device industry continues to develop, the demand for circuit protection components has increased. The introduction of the SMBJ17A not only meets the current needs of circuit protection in medical devices but also strongly supports further innovation in the industry. Its excellent performance and reliability allow medical device manufacturers to focus more on product functionality and performance improvement without worrying excessively about circuit safety.

 

At the same time, the widespread use of the SMBJ17A has promoted the development of the domestic electronic component industry. In response to the growing demand for high-quality transient voltage suppression diodes in medical devices, domestic electronic component companies have increased R&D investment and improved manufacturing processes, driving technological progress and industrial upgrades across the sector.

 

With its precise parameters, wide range of applications, and powerful driving effect, the SMBJ17A has become the "guardian of safety" for domestic medical devices. In the future, it will continue to support the stable operation and continuous innovation of domestic medical devices, contributing even more to the health industry.


About Slkor:

Slkor has research and development offices in Busan, South Korea, Beijing, China, and Suzhou, China. Most of the wafer manufacturing and packaging and testing are carried out within China. The company employs and collaborates with individuals and organizations worldwide, with a laboratory for product performance and reliability testing and a central warehouse located at its headquarters in Shenzhen. Slkor has filed for over a hundred invention patents, offers more than 2,000 product models, and serves over ten thousand customers globally. Its products are exported to countries and regions including Europe, the Americas, Southeast Asia, and the Middle East, making it one of the rapidly growing semiconductor companies in recent years. With well-established management systems and streamlined workflows, Slkor has rapidly enhanced the brand awareness and reputation of its "SLKOR" brand through its outstanding quality and standardized services. Its product range includes three major series: diodes, transistors, and power devices, with recent introductions of new products such as Hall elements and analog devices, expanding its presence in sensors, Risc-v microcontrollers, and other product categories.


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