ECM Toroidal Transformers SRT Series Unique True Torus Core Design CSA, and UL Approvals Customised Designs Very Low Flux Leakage High Efficiency The SRT series is our latest development in toroidal transformers. They differ in design from traditional toroidal transformers as the advanced core construction produces characteristics similar to that of Rcored transformers. The improved rounded section of the core leads to a substantial reduction in flux leakage, therefore vigorously improving the units performance. TYPICAL CONSTRUCTION Type SRT30 SRT40 SRT50 SRT80 SRT100 SRT200 SRT300 SRT400 Capacity (VA) 30 40 50 80 100 200 300 400 Eff. % 78 81 84 86 88 90 93 94 H max. (mm) 31 35 36 40 45 58 66 72 DIMENSIONS D max. (mm) 78 82 84 86 95 112 125 136 Type SRT500 SRT600 SRT700 SRT800 SRT900 SRT1000 SRT1200 SRT1500 Capacity (VA) 500 600 700 800 900 1000 1200 1500 Eff. % 95 96 96 97 98 98 98 98 H max. (mm) 78 82 85 87 89 92 96 102 D max. (mm) 143 149 151 156 158 159 163 168 ECM Electronics Limited, Penmaen House, Ashington, West Sussex, RH20 3JR, UK Tel: +44(0) 1903 892810: Fax: +44(0) 1903 892738. Email: ecm@ecmelectronics.co.uk Although we have attempted to accurately reflect the products we market. ECM reserve the right without prior notice to discontinue any product or make design changes we believe necessary. Issue 1