Dewan Radios Pvt. Ltd. Manufactures Film Capacitors with Aluminium Foil. Dewan Radios Pvt. Ltd. Offers different types of Capacitors, Fixed Resistors, Variable Resistors, Semiconductors, IC Sockets, etc. The Film Capacitors with Aluminium Foil has metallized film. The Film Capacitors with Aluminium Foil find applications in IGBT Protection and Resonance Tank Circuits.