In the increasingly complex global trade environment, the ongoing escalation of the US-China tariff war has not only heightened uncertainty in international markets but has also presented unprecedented challenges to the global electronics supply chain. As a critical component of the semiconductor industry, wafer foundries and packaging/testing sectors have become pivotal in this trade conflict. Recently, TSMC (Taiwan Semiconductor Manufacturing Company) issued an official notification to a large number of Chinese IC design companies, which has undoubtedly raised alarms within the industry and highlighted the importance of electronic components like the transient voltage suppression diode SLESD5.0C in ensuring supply chain stability.

Slkor Transient Protection Diode SLESD5.0C product photo

TSMC's notification stated that, starting from January 31, 2025, any products utilizing 16/14 nm and smaller process nodes that are not packaged by a certified third-party packaging enterprise (OSAT) listed on the BIS (U.S. Department of Commerce Bureau of Industry and Security) whitelist, and for which TSMC has not received a signed certification from the packaging factory, will have their shipments suspended. This regulation not only requires Chinese IC design companies to reassess the compliance of their packaging/testing partners but also accelerates the industry's pursuit of supply chain security and self-reliance.

Slkor Transient Protection Diode SLESD5.0C specification

In this context, the transient voltage suppression diode SLESD5.0C, as a high-performance electronic protection component, plays a critical role in ensuring the stable operation of electronic products in complex electromagnetic environments. With a reverse working voltage (Vrwm) of 5V, the SLESD5.0C effectively isolates transient overvoltages in the circuit under normal operating conditions, protecting subsequent circuits from damage. Its breakdown voltage range, from 5.6V to 8.4V, ensures reliable overvoltage protection under various voltage fluctuations.

Parameters of Slkor Transient Protection Diode SLESD5.0C

Notably, the SLESD5.0C's reverse leakage current is as low as 0.1μA, meaning that under normal operating conditions, the diode consumes almost no power, effectively reducing overall circuit energy consumption. Moreover, in the face of transient pulses, the SLESD5.0C's peak pulse current capability—despite being 5A at 80/20μs under specific conditions—demonstrates its transient energy absorption ability, swiftly clamping the overvoltage to a safe level (maximum clamping voltage of 12V), effectively preventing device damage or performance degradation caused by overvoltage.

In today's volatile global trade environment, the stable supply of high-performance electronic components like the SLESD5.0C is crucial for ensuring the quality and reliability of electronic products. Particularly under the impact of TSMC's new regulations, Chinese IC design companies must carefully select their packaging/testing partners to ensure their products meet international compliance requirements and can smoothly enter the global market.

To achieve this, Chinese IC design companies must not only strengthen cooperation with certified OSAT companies but also continuously enhance their R&D and innovation capabilities to develop more electronic components with independent intellectual property, thereby reducing reliance on external supply chains. At the same time, governments and industry organizations should increase support for the semiconductor industry, promoting collaborative development across the upstream and downstream sectors of the industry to build a secure, stable, and self-reliable electronic supply chain system.

In conclusion, the transient voltage suppression diode SLESD5.0C, with its exceptional performance, not only provides reliable overvoltage protection for electronic products but also plays a vital role in addressing global trade challenges and ensuring the stability of the electronics supply chain. In today’s increasingly complex global trade environment, Chinese IC design companies should actively respond to international compliance requirements, strengthen partnerships with certified OSAT companies, and continuously improve their core competitiveness to face future challenges.

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.