... type transformer. 2. R-Type isA. Feature: 1. Compared with EI shapes, R-Type is smaller 30%, thiner 40%, lighter 40% than EI type transformer. 2. R-Type ... than EI-Type transformer. 3. R-Type transformer make the least heat, less 50% than EI type. 4. R-Type transformer has ... safe standard in the world. B. Application area OF R-Type transformer: Monitor, printer, computer terminals, photocopier, fax ...