SLCE1005A015FR: Ultra-Compact 0603 ESD Protection Engineered for High-Frequency Performance

 Slkor introduces the SLCE1005A015FR ESD protection diode, purpose-built for high-frequency electronic applications. Featuring an ultra-compact 0603 package and ultra-low capacitance, it delivers robust electrostatic protection for high-speed interfaces such as HDMI 1.3, high-speed Ethernet, and USB 2.0. By effectively suppressing electrostatic discharge (ESD) and transient disturbances, it ensures signal integrity and stable device operation even in harsh and complex electromagnetic environments.

The core advantage of this device lies in its precision protection and seamless signal compatibility in high-frequency environments. Built on thick-film technology with a bidirectional protection architecture, it delivers an ultra-low junction capacitance of just 0.15 pF (typ.), creating virtually no signal distortion at 1 MHz and remaining perfectly matched to multi-GHz applications up to 3.4 GHz, such as HDMI 1.3. With an exceptionally low insertion loss of only –0.25 dB at 3.4 GHz, high-speed data integrity is fully preserved. At the same time, its sub-1 ns response time enables instant suppression of overvoltage events, while a typical TLP clamping voltage of 40 V and a trigger voltage of 250 V together form a solid and reliable protection barrier for sensitive circuits.

In terms of protection performance, the SLCE1005A015FR meets stringent international standards. It is fully compliant with IEC 61000–4–2 Level 4, supporting 8 kV contact discharge (typ.) / 15 kV (max.) and 15 kV air discharge (typ.) / 25 kV (max.). The device can withstand over 100 ESD strikes while maintaining stable electrical characteristics. In addition, its maximum leakage current is only 10 µA @ 14 V DC, ensuring ultra-low standby power consumption and extending battery life in portable and mobile devices.

Package design and reliability further enhance its appeal. Housed in an ultra-compact 0603 package (1.50–1.70 mm × 0.70–0.90 mm × 0.40–0.60 mm), it saves nearly 30 % of PCB space compared with conventional solutions, making it ideal for high-density layouts. The device supports standard reflow soldering, withstands 260 °C for 10 s, and has passed rigorous reliability testing including humidity, thermal shock, and vibration. With a wide operating temperature range from –55 °C to +125 °C, it is engineered for long-term, stable operation even in harsh and demanding environments.

In terms of application scenarios, the SLCE1005A015FR is engineered to seamlessly support the core interfaces of high-frequency electronic systems:

● Consumer electronics: reliably protects RF signal paths in smartphone antennas, GPS modules, and Bluetooth devices from electrostatic discharge and transient interference;
 ● Display and communication interfaces: fully compatible with HDMI 1.3, DVI, and USB 2.0, ensuring stable 4K video output and uninterrupted high-speed data transmission;
 ● Industrial electronics: safeguards high-speed Ethernet ports and printer interfaces in industrial equipment, effectively resisting electromagnetic transients commonly found in factory environments.

“The true breakthrough of the SLCE1005A015FR lies in achieving an optimal balance between ultra-low capacitance and high-level protection within a compact 0603 package,” said the head of Slkor’s protection devices division. “High-frequency circuits are extremely sensitive to parasitic parameters. Through material innovation and structural optimization, we enable robust protection at up to 42 V DC operating voltage without compromising signal integrity — directly addressing the industry trend toward higher frequencies and greater miniaturization.”

Currently, the SLCE1005A015FR is in stable mass production and supports bulk supply. For detailed technical documentation, test data, or sample application support, 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 Converter、AC-DC Converter, and Optocoupler).