The AZC199-04 ESD protection diode by Slkor Semiconductor is engineered to safeguard set-top boxes against electrostatic discharge (ESD) while maintaining high-speed signal integrity. With the rise of 4K and 8K content, protection for interfaces like HDMI 2.1 and USB 3.0 is crucial for reliable device performance.

Key Features and Protection Parameters:

5V Reverse Working Voltage (VRWM): Matches the set-top box's main control chip, providing optimal protection without affecting signal transmission.

6V Breakdown Voltage (VBR): Ensures timely conduction when ESD energy surpasses critical levels, preventing damage.

15V Clamping Voltage (VC): Protects sensitive circuits by limiting overvoltage during ESD events.

0.4pF Ultra-Low Junction Capacitance: Minimizes insertion loss (0.2dB at 6GHz) to maintain signal integrity, essential for ultra-high-definition video transmission.

These parameters make the AZC199-04 ideal for high-speed video and data interfaces, ensuring protection without signal degradation.

Multi-Interface Protection for Versatile Use:

The AZC199-04 protects three major interfaces in set-top boxes:

HDMI 2.1: Safeguards TMDS signals with 3.4GHz bandwidth, supporting 4K/120Hz and 8K/60Hz video.

USB 3.0: Effectively handles ESD during 5Gbps data transfers with a rapid response time of less than 1ns.

Gigabit Ethernet: Offers bidirectional protection for stable network data transmission.

With testing showing a decrease in failure rates from 0.3% to below 0.01%, the diode ensures reliable operation in challenging environments, particularly in humid conditions.

Compact SOT-23-6L Packaging:

The AZC199-04 comes in a compact SOT-23-6L package (2.9×2.8mm), ideal for space-constrained set-top box designs. Its ultra-thin profile (0.96mm) fits easily next to key components like HDMI interfaces and encoding chips. The device’s thermal performance ensures stability, with an 8kV contact discharge rating and a temperature rise of just 15°C.

Cost-Efficiency and Domestic Innovation:

Slkor’s AZC199-04 combines high performance with affordability:

Competitive Performance: Matches or exceeds global products in critical parameters.

30% Cost Advantage: More cost-effective than imported alternatives, offering a significant pricing benefit to domestic manufacturers.

Fast Delivery: With a 2-week delivery cycle, it meets the fast-paced demands of the market.

After being adopted by leading set-top box manufacturers, the diode passed CE/FCC certifications and demonstrated exceptional durability, enduring 1,000 plug/unplug cycles without failure.

Future-Proof Protection:

As set-top boxes evolve into smart home hubs, the AZC199-04’s adaptability becomes even more significant:

POE Power Supply Compatibility: Provides protection for Ethernet power supply systems.

MIPI Camera Interface Protection: Ensures high-quality video capture with minimal capacitance.

Wide Temperature Range: Operates from -55°C to 150°C, ideal for environments like in-vehicle set-top boxes.

In summary, Slkor’s AZC199-04 ESD diode offers advanced protection, cost-efficiency, and reliability for set-top box manufacturers, setting a new standard for high-speed signal protection and stability in the digital entertainment industry.

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.