Product Overview

In modern electronic devices, protecting high-speed data interfaces is crucial. The SLESD0504F from Slkor (SLKOR) is an ultra-low capacitance transient voltage suppressor (TVS) specifically designed for high-speed data interfaces, providing reliable over-voltage and over-current protection for sensitive electronic systems. With its exceptional performance and compact design, this advanced ESD protection diode is the ideal choice for safeguarding high-speed interfaces like HDMI, DVI, and USB.

The core value of the SLESD0504F lies in its perfect balance between outstanding protection capabilities and signal integrity. This device meets multiple international standards, including the IEC61000-4-2 (ESD) highest protection level 4 (±15kV air discharge, ±8kV contact discharge), and the IEC61000-4-4 Electrical Fast Transient (EFT) standard (40A, 5/50ns). Additionally, it effectively protects against fast charger device model (CDM) ESD and cable discharge events (CDE), providing comprehensive protection for devices.

Technical Specifications

The performance parameters of the SLESD0504F reflect its professional standard in the ESD protection field:

● Working Voltage (VRWM): 5.0V, suitable for most low-voltage digital circuits

● Breakdown Voltage (VBR): Minimum 6.0V, ensuring no false triggering at normal operating voltages

● Reverse Leakage Current (IR): Only 1μA, minimal power consumption, and does not affect system efficiency

● Clamping Voltage (VC): 10V, effectively limiting transient over-voltages and protecting downstream circuits

● Junction Capacitance (CJ): 0.2pF, maintaining high-speed signal integrity

● Package Type: SOT-363, ideal for automated mounting and mass production

These parameters form the technical foundation of the SLESD0504F’s exceptional performance, enabling it to provide stable and reliable protection in various demanding applications.

Mechanical Properties and Packaging Information

The mechanical design and packaging of the SLESD0504F also reflect professional standards:

● Package Details: The SOT-363 surface-mount package, a six-pin small form factor, is particularly suitable for high-density PCB designs. The package material meets UL94V-0 flammability standards, enhancing the product’s safety. All terminals are treated with a matte tin finish to ensure good solderability and long-term reliability.

● Soldering Characteristics: The device supports a 260°C soldering process (10-second duration), fully compliant with lead-free soldering requirements, suitable for modern electronic manufacturing processes.

● Packaging Form: The product is available in tape and reel packaging, with a standard 7-inch reel size, suitable for high-volume automated pick-and-place production. This packaging method not only improves production efficiency but also reduces the risk of component damage during transportation and storage.

Typical Applications

The SLESD0504F, with its excellent performance, is widely used in various fields:

● HD Video Interface Protection: In HDMI and DVI interfaces, the SLESD0504F provides reliable ESD protection for TMDS data lines, ensuring the stability of high-definition video signal transmission. Its ultra-low capacitance is especially suitable for high-bandwidth applications like HDMI 2.1, where signal rise time and eye diagram quality must not be compromised.

● USB Interface Protection: Whether for USB 2.0 or USB 3.0, the SLESD0504F provides comprehensive protection for data and power lines. For newer interfaces like USB Type-C, its multi-channel protection capability is especially applicable.

● DisplayPort Protection: In high-speed display interfaces like DisplayPort, the SLESD0504F effectively prevents damage to display controllers caused by hot-plug ESD events, ensuring reliable operation of display devices.

● Serial ATA Interface Protection: It provides ESD and surge protection for SATA data lines, ensuring the stability and reliability of data storage systems.

● Other High-Speed Data Lines: The SLESD0504F also excels in protecting other high-speed differential signal lines such as LVDS and MIPI.

Conclusion

The Slkor SLESD0504F ESD protection diode, with its ultra-low capacitance, high ESD protection level, compact size, and versatile protection features, is an ideal solution for safeguarding high-speed data interfaces. In today’s era of increasingly miniaturized electronic devices and ever-increasing interface speeds, this high-performance protection component plays a significant role in improving product reliability and market competitiveness. Whether in consumer electronics, computer peripherals, or industrial equipment, the SLESD0504F provides reliable protection for sensitive electronic circuits, reduces field failure rates, and extends product lifespan—making it a trusted protection solution for design engineers.

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.