In the field of high-speed data transmission, Slkor continues to expand its ultra-low junction capacitance ESD protection diode product line, especially designed for HDMI interface applications, providing superior electrostatic discharge (ESD) protection solutions. As the demand for high-definition video and audio transmission grows, HDMI interfaces have become widely used in various consumer electronics, from televisions and gaming consoles to computers and audio systems, all relying on its high-speed data transmission capabilities. However, the high bandwidth and high-frequency signal transmission of HDMI interfaces make them more susceptible to external interference, particularly from electrostatic discharge events. Therefore, ensuring the robustness and safety of these interfaces has become a critical task in electronic design.

Slkor Electrostatic Discharge Diode SM36C product photo

Slkor's latest product, the SM36C ESD protection diode, is specifically designed to address this challenge. With exceptional performance, this device is engineered to provide unparalleled ESD protection, ensuring that HDMI interfaces remain stable under harsh operating environments. The SM36C focuses on preserving signal integrity, with its low junction capacitance and high-voltage clamping performance, preventing any noticeable interference during high-speed data transmission.

Slkor Electrostatic Discharge Diode SM36C specification

Product Features and Technical Specifications

The SM36C ESD protection diode offers several core technical advantages, ensuring outstanding performance in various high-speed data transmission applications. The key specifications are as follows:

VRWM (Maximum Reverse Working Voltage): 36V

VBR min (Minimum Breakdown Voltage): 40V

IR (Reverse Leakage Current): 1μA (at 25°C)

VC (Clamping Voltage): 60V (Maximum)

CJ (Junction Capacitance): 35pF

Package Type: SOT-23

These specifications enable the SM36C to meet the high-speed signal transmission needs of HDMI interfaces while providing effective ESD protection. Given the high operating frequency of HDMI interfaces, any electrostatic discharge event can severely impact data transmission. Therefore, selecting a protection diode with low junction capacitance and high-voltage clamping capabilities is crucial.

Parameters of Slkor Electrostatic Discharge Diode SM36C

Efficient Protection Design Enhances System Stability

Electrostatic discharge (ESD) events typically occur when users interact with devices, such as touching the device or connecting peripherals. These external disturbances can enter the system through interface circuits, potentially causing component failure or even permanent damage. The SM36C ESD protection diode clamps the ESD voltage to safe levels, effectively preventing damage to sensitive components like HDMI chips. Its reverse leakage current is as low as 1μA, ensuring that normal signal integrity is not affected, while its clamping voltage can reach up to 60V, effectively limiting the peak voltage of electrostatic discharges.

Adaptable for Multiple Applications to Ensure Interface Safety

HDMI interfaces are not only widely used in consumer electronics but are also increasingly adopted in industrial, automotive, and medical devices. With the growing demand for 4K, 8K, and even higher resolution video transmission, data transfer rates and bandwidth requirements continue to rise, making interface interference immunity even more critical. The SM36C ESD protection diode is specifically designed to meet the demands of these high-performance environments.

In automotive infotainment systems, as autonomous driving technology and in-vehicle entertainment systems become more widespread, the need for HDMI interfaces to transmit large volumes of high-definition video signals is inevitable. The SM36C ESD protection diode effectively protects these interfaces from external static interference, ensuring stable operation of the in-car system. In medical devices, HDMI interfaces are often used for high-precision image transmission, which requires extremely high signal integrity. The SM36C provides reliable protection for these critical devices, reducing the risk of failure caused by electrostatic discharges.

Enhanced Design Flexibility and Automated Inspection

To meet the growing demand for smaller and more complex designs in modern automotive, industrial, and consumer electronics products, the SM36C ESD protection diode is available in multiple packaging options, offering great design flexibility. The compact SOT-23 package not only provides excellent thermal performance but also suits high-density integrated circuit designs. Additionally, the SM36C supports side soldering technology, allowing the device to be easily inspected by automated optical inspection (AOI) on production lines, improving manufacturing efficiency and reducing potential defects.

Conclusion

As high-speed data transmission becomes increasingly widespread in electronic devices, the need for ESD protection at interfaces has never been more important. Slkor's SM36C ultra-low junction capacitance ESD protection diode, with its outstanding electrical performance, low junction capacitance, and compact packaging, is poised to play a crucial role in a variety of high-speed data transmission applications. It will become an indispensable core component in ensuring the safety of HDMI interfaces and other sensitive data interfaces.

About Slkor：

SLKOR, headquartered in Shenzhen, China, is a rapidly emerging national high-tech enterprise in the power semiconductor sector. With R&D centers in Beijing and Suzhou, its core technical team originates from Tsinghua University. As an innovator in silicon carbide (SiC) power device technology, SLKOR's products are widely used in new energy vehicles, photovoltaic power generation, industrial IoT, and consumer electronics, providing critical semiconductor solutions to over 10,000 clients globally. The company delivers more than 2 billion units annually, with its SiC MOSFETs and 5th-generation ultrafast recovery SBD diodes setting industry benchmarks in efficiency ratio and thermal stability. SLKOR holds over 100 invention patents and offers 2,000+ product models, continually expanding its IP portfolio across power devices, sensors, and power management ICs. Certifications including ISO 9001, EU RoHS/REACH, and CP65 compliance demonstrate the company's steadfast commitment to technological innovation, lean manufacturing, and sustainable development.