... is smaller 30%, thiner 40%, lighter 40% than EI type transformer. 2. R-Type isA. Feature: 1. Compared with EI shapes, R ... is smaller 30%, thiner 40%, lighter 40% than EI type transformer. 2. R-Type is the least of leakage magnetic. Less 10 ... better than other type transformers. 5. Compare with Toroidal transformer, R-Type transformer has more advantage, such as powerful function, more reliability ...