A method for forming a split thin film capacitor for providing multiple power and reference supply voltage levels to electrical devices such as integrated circuits, may be useful in space restricted applications, and in applications that require very close electrical connections between the power consumer and the power supply. The housing has a surface-mountable housing portion with at least one aperture for receiving a surface-mounting member therethrough, the housing portion fabricated substantially from a plastic material. This protection circuit is configured to protect the integrated circuit device, by preventing unauthorized retrieval of the secure information using a power analysis technique. Lubricating oil is filled in the void. In some embodiments the service agents are humans, whereas other embodiments have non-human service agents in addition to or in place of human service agents.