SMD Power Transformer, Various Types Available for DC/DC AC/DC Converter Model Number:yatai-PE0510 Key Specifications/Special Features: ... DR (I) type transformer T (ring) iron power core, DC filter inductor Application: switching power supplies, chargers, alarm system, TV and CRT ... ) switch transformer DR (I) type transformer T (ring) iron power core, DC filter inductor RM series: RM-4, 5, 6, 8, ...