Say Goodbye to DVI Signal Failures: Slkor SDD32C05L01 ESD Diodes Bring Robust Protection

 Slkor’s SDD32C05L01 ESD protection diode is purpose-built for high-speed DVI (Digital Visual Interface) applications, delivering powerful electrostatic discharge (ESD) protection while keeping signal losses ultra-low. With its compact 30pF junction capacitance and reliable 5V working voltage, it ensures smooth, stable transmission for high-definition video systems — even in demanding environments.

Key Features and Benefits

 The SDD32C05L01 is designed to solve one of the biggest engineering challenges today — delivering strong ESD protection without compromising high-speed signal performance. DVI interfaces, widely used in monitors, industrial displays, and medical imaging equipment, require exceptional bandwidth, clean signal integrity, and strict EMI (electromagnetic interference) control. Traditional protection devices often introduce excessive capacitance, which can distort high-speed signals, leading to attenuation, jitter, and eye-diagram closure. The SDD32C05L01’s ultra-low capacitance design helps maintain crisp signal quality while still delivering reliable ESD defense.

Housed in a compact SOD-323 package, this diode offers a 30pF junction capacitance — 40% lower than many competing solutions — preserving fast edge rates and high-definition data flow. Its 5V reverse working voltage (VRWM) and 5.8V minimum breakdown voltage (VBR min) are perfectly aligned with DVI TTL requirements, ensuring seamless protection with zero interference to digital signal integrity.

High-Performance ESD Protection

 The SDD32C05L01 features an enhanced avalanche breakdown design, delivering a clamping voltage of 9.8V and an ultra-low 1µA leakage current. It meets IEC 61000–4–2 requirements with ±8kV contact discharge and ±15kV air discharge protection, ensuring strong resilience in demanding applications. With a dynamic resistance of just 1.2Ω, the device offers rapid recovery and extremely low signal disturbance during high-speed data transfer.

In performance testing, the diode achieved an insertion loss of <0.5dB at 1.65Gbps and maintained an eye pattern opening above 90%, fully meeting DVI 1.0 jitter standards. For 4K video applications, it reduced crosstalk noise by 15dB, significantly enhancing image sharpness and visual stability.

Compact and Production-Ready

 The SDD32C05L01’s compact SOD-323 package is optimized for space-constrained, high-volume production environments, supporting efficient SMT automated assembly. Its 0.6mm pin pitch minimizes the risk of solder bridging, making it ideal for modern high-density PCB layouts. Designed for reliability, the diode operates across an industrial-grade temperature range (-40°C to 125°C) and is fully compliant with RoHS and REACH regulations, ensuring durable, eco-friendly performance across diverse applications.

System-Level Protection

 When paired with other Slkor ESD components, the SDD32C05L01 helps build a multi-layer protection architecture for DVI interfaces, delivering full-spectrum defense against both high-speed signal threats and high-energy surges such as lightning-induced transients. Its exceptionally low dynamic resistance minimizes voltage overshoot, enhances EMC performance, and effectively suppresses common-mode noise — ensuring cleaner, more stable signal behavior in real-world environments.

Conclusion

 The SDD32C05L01 represents a significant advancement in ESD protection for modern high-speed DVI interfaces. Combining ultra-low capacitance with powerful surge-handling capability, it enables superior digital video performance without compromising signal integrity. Well-suited for sectors such as medical imaging, consumer electronics, and industrial automation, this device supports the developmen

About Slkor：

 SLKOR, headquartered in Shenzhen, China, is a fast-rising national high-tech enterprise shaping the future of the power semiconductor industry. With R&D centers in Beijing and Suzhou — and a core technical team originating from Tsinghua University — SLKOR stands at the forefront of silicon carbide (SiC) power device innovation. Its solutions power new energy vehicles, photovoltaic systems, industrial IoT, and consumer electronics, serving 10,000+ customers worldwide.

The company ships over 2 billion units annually, with its SiC MOSFETs and 5th-generation ultrafast recovery SBD diodes setting industry benchmarks in efficiency and thermal reliability. Backed by 100+ invention patents and a portfolio of 2,000+ product models, SLKOR continues to expand its IP footprint across power devices, sensors, and power management ICs. Certifications such as ISO 9001, EU RoHS/REACH, and CP65 further strengthen its reputation for technological excellence, lean manufacturing, and sustainable development.