... of leakage magnetic. Less 10 times than EI-Type transformer. 3. R-Type transformer make the least heat, less 50% than EI ... than other type transformers. 5. Compare with Toroidal transformer, R-Type transformer has more advantage, such as powerful function, more ... standard in the world. B. Application area OF R-Type transformer: Monitor, printer, computer terminals, photocopier, fax machine, Digital ...