Introducing SLKOR GBLC24C: Advanced 24V ESD Protection Diode for Reliable High-Voltage Circuit Performance

 In industrial automation, automotive electronics, and high-end consumer devices, safeguarding 24V systems against electrostatic discharge (ESD) has long been a critical design challenge. Slkor’s newly launched GBLC24C ESD protection diode — a flagship member of the GBLC0xC series — addresses this need with precision and reliability. Engineered specifically for mid- to high-voltage environments, it delivers professional-grade ESD protection for 24V circuits while maintaining the series’ signature ultra-low capacitance. By combining high working voltage with low parasitic capacitance, the GBLC24C bridges a key gap in the market for compact, high-performance ESD protection solutions.

The Slkor GBLC24C builds upon the proven performance of the GBLC series, incorporating advanced semiconductor process technology to deliver outstanding ESD, EFT, and surge protection in one compact device. It meets three major international standards:

• IEC61000–4–2: ±15kV (air) / ±8kV (contact) for ESD protection
• IEC61000–4–4: 40A (5/50ns) for electrical fast transient (EFT) immunity
• IEC61000–4–5: 12A (8/20μs) for lightning surge protection

Together, these features form a comprehensive multi-level protection system that ensures stable device operation even in harsh electromagnetic environments.

From a technical standpoint, the GBLC24C is engineered for professional-grade applications:

• Reverse Working Voltage (VRWM): 24.0V — ideal for standard 24V industrial systems
• Breakdown Voltage (VBR min): 26.7V — providing a robust safety margin
• Clamping Voltage (VC): 56V — ensuring downstream circuit safety during surges
• Leakage Current (IR): as low as 1.0μA — minimizing power loss
• Junction Capacitance (CJ): just 0.8pF — maintaining signal integrity for high-speed lines
• Response Time: <1ns — enabling ultra-fast transient suppression

Housed in a compact SOD-323 package (3.8mm × 1.35mm), the GBLC24C combines high protection performance with space efficiency. Its UL94V-0 compliant materials and 260°C soldering endurance make it fully compatible with automated assembly. Standard 7-inch reel packaging (3,000 pcs/reel) supports high-volume manufacturing and streamlined logistics.

The GBLC24C is an ideal fit for:

1. Industrial Control Systems: 24V line protection for PLCs, industrial buses, and sensor interfaces
2. Automotive Electronics: Power and signal protection for infotainment and control modules
3. High-End Consumer Electronics: Safeguarding high-power audio and display interfaces
4. Computing Equipment: Peripheral interface protection for industrial-grade servers and workstations
5. Medical Devices: Ensuring long-term reliability and circuit stability in sensitive medical instruments

By combining high-voltage endurance, low capacitance, and rapid response, the GBLC24C offers design engineers a reliable, compact, and production-ready solution for modern 24V ESD protection challenges.

Compared with similar products on the market, the Slkor GBLC24C stands out in three key areas:

1. Superior Voltage Adaptability — With a 24V working voltage, the GBLC24C perfectly aligns with mainstream industrial systems, making it highly versatile across diverse application scenarios.
 2. Balanced Performance — It delivers robust protection strength while maintaining ultra-low capacitance, ensuring signal integrity for high-speed data lines.
 3. Proven Reliability — Each device undergoes rigorous testing to guarantee long-term operational stability in demanding environments.

These advantages make the GBLC24C a top choice for engineers designing high-voltage protection systems.

Real-world applications highlight its effectiveness:
 In industrial automation equipment, integrating the GBLC24C into 24V sensor interfaces has reduced ESD-related failure rates by over 90%. Likewise, a leading automotive electronics manufacturer successfully passed the ISO 10605 standard’s stringent ESD tests after deploying this diode in its in-vehicle systems — solid proof of the GBLC24C’s outstanding reliability and performance in practice.

As Industry 4.0 and IoT technologies continue to evolve, 24V systems will see broader adoption in next-generation smart manufacturing and connected devices. Slkor remains dedicated to advancing the GBLC series, providing engineers with comprehensive, high-performance circuit protection solutions.

The introduction of the GBLC24C not only expands the portfolio of high-voltage ESD protection components but also underscores Slkor’s continuous innovation and leadership in circuit protection technology — empowering the electronics industry to face increasingly complex electromagnetic challenges with confidence.