Littelfuse Metal Oxide Varistors - CH SeriesThe CH series of metal oxide varistors from Littelfuse are a surface mount solution. These transient surge suppressors are manufactured as a leadless chip. Due to the significantly lower profile in comparison to traditional radial-lead type, the size and weight of your design can be reduced while increasing reliability.Low profileUnlike traditional metal oxide varistors, the CH series is surface mount and leadlessNo derating up to an ambient temperature of +125°CHigh surge rated up to 400A for low voltage devices5 x 8 mm chip sizeVoltages available from 14 V to 274 V and energy ratings up to 8 JProduct Application InformationThese metal oxide varistors are suitable for various applications ranging from low voltage DC to offline board level protection.