The MP2104K27C3X6LC with Suppression Capacitors 100nF ±10% Through Hole,P=10mm RoHS is a surface mount protection circuit designed by the manufacturer Sincerity. This circuit protects devices from the effects of electrostatic discharge (ESD) and other electrical transients. It features two capacitors with 100nF value and a voltage rating of 27V. The capacitors have a tolerance of 10%, and they are designed for through-hole mounting with a physical pitch of 10mm. It is RoHS compliant and very low cost.