As automotive electronics and smart terminals move toward higher speed and integration, high-frequency signal links are placing increasingly stringent requirements on electrostatic discharge (ESD) protection. Particularly in critical scenarios such as in-vehicle CAN buses and ADAS control units, there is a need to both resist high-intensity electrostatic shocks and avoid interference from protection devices on high-frequency signals — this contradiction has become an industry technical pain point. Slkor has specifically launched the SLESDSLC5V0E ESD protection diode, which, with its compact SOT-23 package and ultra-low junction capacitance, builds a reliable protective barrier for high-frequency circuits.

As a protection device designed for high-frequency, high-reliability scenarios, the SLESDSLC5V0E achieves precise breakthroughs in electrical performance: its reverse working voltage (VRWM) reaches 5.0V, compatible with mainstream low-voltage circuits; the minimum reverse breakdown voltage (VBR) is 6.0V, ensuring no interference with signal transmission during normal operation; the forward clamping voltage (VC) is only 9V under 1A pulse and 16V under 5A pulse, which can quickly limit transient overvoltage to a safe range and protect sensitive chips at the backend. Its core advantage lies in the ultra-low junction capacitance (CJ) of 0.3pF — this parameter means almost no interference in high-frequency signal transmission, and when combined with a reverse leakage current (IR) of 0.2μA, it perfectly balances high-frequency compatibility and low power consumption requirements.

In terms of protection capability, the device complies with the IEC 61000-4-2 standard, with air discharge up to ±25kV and contact discharge up to ±20kV. It can withstand a peak pulse current of 5A (8/20μs) with a peak pulse power of 80W, and its response speed reaches the nanosecond level, capable of instantly suppressing electrostatic and surge interference. The adopted SOT-23 package (dimensions 2.8-3.0mm × 1.2-1.4mm × 0.9-1.15mm) supports lead-free reflow soldering processes (peak temperature 260℃), meets RoHS compliance and UL 94V-0 flammability rating, and has a Moisture Sensitivity Level of 3. It is suitable for high-density PCB layouts, especially for space-constrained automotive electronic modules.

The core advantages of the product are concentrated in three aspects:

● Automotive-grade protection: With ±25kV air discharge and ±20kV contact discharge capabilities, it meets the stringent electromagnetic compatibility requirements of automotive electronics;

● Zero high-frequency interference: The ultra-low junction capacitance of 0.3pF has negligible impact on high-speed signal transmission, suitable for high-frequency links such as CAN buses and in-vehicle Ethernet;

● Efficient integration: The SOT-23 package supports multi-line protection (up to 2 lines), and the 0.2μA low leakage current extends device battery life, balancing space and energy efficiency.

Application fields cover core scenarios in automotive electronics and consumer electronics: automotive electronic control units (ECUs), body control modules (BCMs), ADAS control units, powertrain systems, as well as high-frequency interfaces of mobile devices and communication equipment. It performs particularly well in CAN buses and high-speed data links where signal integrity is critical.

A responsible person from Slkor's microelectronics product line stated, "The design breakthrough of SLESDSLC5V0E lies in 'ultimate simplicity' — achieving automotive-grade protection with a 0.3pF junction capacitance, which means that in high-frequency circuits, protection and signal transmission are no longer a trade-off. This is a precise response to the trend of 'higher speed and higher reliability' in automotive electronics."

Currently, the SLESDSLC5V0E has achieved stable mass production, adopting 3000-piece tape and reel packaging and supporting bulk purchasing. For technical manuals or samples, please visit Slkor's official website (SLKOR Semiconductor: Discrete Semiconductors, TVS、ESD、diodes、 components、transistors、mosfet、igbt、Rectifier、Discrete Power Devices、SCR、TRIAC、Zener Diode; Integrated Semiconductors, Op-amp、hall sensor、 Linear Regulator / LDO、DC-DC Convertor、AC-DC Convertor and Optocoupler).

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.