Features:

EIA size:1812
Variable capacitance
Operating voltage: 18Vdc ~385Vdc
High surge suppress capability
Bidirectional and symmetrical V/I characteristics
Multilayer ceramic construction technology
RoHS & Halogen Free (HF) compliant
Operating temperature range: -40℃ ~ +85℃
Storage temperature range: -40℃ ~ +125℃

Applications:

Used to Help Achieve Electromagnetic Compliance of End Products; 
Provides On-Board Transient Voltage Protection for ICs, CMOS and MOSFET;
Suppression of Inductive Switching or Other Transient Events Such as EFT and Surge Voltage at the Circuit Board;
Protection of Components and Circuits Sensitive to ESD Transients Occurring on Power supplies, Control and Signal Lines.