Slkor's SDD32C05L01 ESD protection diode is engineered for high-speed DVI (Digital Visual Interface) applications, providing effective electrostatic discharge (ESD) protection while minimizing signal loss. With a 30pF junction capacitance and 5V working voltage, it ensures stable transmission for high-definition video systems.

Key Features and Benefits

The SDD32C05L01 addresses the challenge of balancing ESD protection with high-speed transmission. DVI interfaces, commonly used in monitors and medical imaging, demand high bandwidth, signal integrity, and EMI (electromagnetic interference) control. Traditional protection devices, with higher capacitance, can disrupt signal quality, causing issues like attenuation and eye pattern closure. The SDD32C05L01’s lower capacitance enhances signal clarity while protecting against ESD.

Packaged in a compact SOD-323 form, the diode offers a 30pF junction capacitance—40% lower than comparable products—helping preserve signal edge rates. Its 5V reverse working voltage (VRWM) and 5.8V breakdown voltage (VBR min) match DVI TTL standards, ensuring no impact on digital signal integrity.

High-Performance ESD Protection

The SDD32C05L01 features an improved avalanche breakdown structure, with a clamping voltage of 9.8V and a low leakage current of 1µA. It complies with IEC 61000-4-2 standards, with ±8kV contact and ±15kV air discharge ratings. Its dynamic resistance is just 1.2Ω, allowing for fast recovery and minimal interference during data transmission.

In tests, the diode demonstrated an insertion loss of <0.5dB at 1.65Gbps and an eye pattern opening of over 90%, meeting DVI 1.0 jitter specifications. For 4K video transmission, it suppressed crosstalk noise by 15dB, improving image clarity.

Compact and Production-Ready

The SDD32C05L01's SOD-323 package supports space-saving and surface-mount technology (SMT) for efficient automated assembly. Its 0.6mm pin pitch reduces the risk of solder bridging, making it ideal for high-density PCBs. The diode operates in industrial-grade temperature ranges (-40°C to 125°C) and complies with RoHS and REACH standards, ensuring robust performance in various environments.

System-Level Protection

When used with other Slkor ESD devices, the SDD32C05L01 can create a layered protection system for DVI interfaces, offering comprehensive ESD protection for both high-speed signal lines and high-energy shocks like lightning strikes. Its low dynamic resistance also minimizes voltage overshoot, supporting EMC requirements and reducing common-mode noise.

Conclusion

The SDD32C05L01 is a breakthrough in ESD protection, addressing the challenges of high-speed DVI interfaces. With its low capacitance and robust protection capabilities, it enables higher-performance digital video transmission while maintaining signal quality. Ideal for industries like medical imaging, consumer electronics, and industrial control, this device plays a vital role in the evolution of high-reliability electronic systems.

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.