- Product Name: Varistor - Model: 10D-681K - Maximum Continuous Working Voltage: AC 420 V; DC 560 V - Varistor Voltage (V1mA): 680 (612-7) - Maximum Limited Voltage: 1120 Vp(V) - Ip(V): 25 Ip(V) - Through-flow Capacitance (8/20 us): 1 Time: 3500 A; 2 Time: 2500 A - Rated Power: 0.4 W - Capacitance: 150 pF - Size (Exclude Lead): 1.1 x 0.5 cm / 0.4" x 0.2" (D x T) Benefits and use cases - Provides surge and transient protection by clamping high voltage spikes to safe levels, protecting connected electronics. - Compact 1.1 x 0.5 cm size fits small PCBs and compact assemblies; suitable for both board-mounted and compact power applications. - Clear electrical characteristics enable reliable protection in mixed AC/DC environments. Applications - AC mains input protection for power adapters, chargers, and small electronics. - Transient suppression in DC power supplies, battery chargers, and control circuits. - Surge protection in telecom equipment and instrumentation lines.