Varistor Surge Protector — Key Features and Benefits Why you need this varistor Protects sensitive electronics from voltage spikes and transients that can damage components, cause data loss, or shorten equipment life. Minimizes standby power loss so protected devices run efficiently when no surge is present. Easy to integrate and maintain, reducing installation time and downtime. How it works (clear, practical function) High-threshold protection: Below its threshold voltage the varistor presents very high resistance, allowing only minimal leakage current. This keeps power loss low and prevents unnecessary stress on your circuit when conditions are normal. Fast overvoltage response: When input voltage exceeds the threshold, the varistor switches to a low-resistance state and quickly dissipates surge energy, clamping the voltage and protecting connected components from damage. Durable performance: Designed for repeated surge events and stable operation over time, providing reliable protection without frequent replacement. What makes it stand out Compact C-Act design: Small footprint that fits easily into a variety of circuit layouts, enabling quick installation and removal without compromising protective performance. Precision manufacturing: Made with high-quality materials and controlled processes to ensure consistent threshold characteristics, low leakage, and long-term stability. Broad compatibility: Suitable for integration with a wide range of electronic systems where transient suppression is required. Important attributes Function: Voltage-dependent, bidirectional clamping action that switches from high resistance to low resistance during surges. Size: Compact form factor for space-constrained boards and modules (designed for easy integration). Material and build: Manufactured with quality varistor materials and precision assembly for repeatable performance. Performance: Low standby leakage, fast response to transient events, and robust energy absorption capability for repeated protection cycles. Practical applications Power supplies and battery chargers: Protects regulators, transformers, and downstream electronics from upstream spikes and switching transients. Consumer and computing devices: Safeguards motherboards, TVs, audio/video equipment, and peripherals against lightning-induced surges and line noise. Industrial and control systems: Provides transient suppression for PLCs, sensors, motor controllers, and I/O modules in factory or building automation. Installation and reliability notes Small footprint and straightforward integration allow fast mounting and replacement during board assembly or field service. Precision testing and quality control ensure consistent threshold behavior and reliable protection over long service intervals. Choose this varistor when you need dependable, low-loss surge suppression in compact form with fast clamping action and proven manufacturing quality.