EP6 Series SMD Current Transformers EPCOS / TDK EP6 Series SMD Current Transformers are AEC-Q200 qualified. These transformers feature resistance to reflow soldering heat in accordance with JEDEC J-STD-020D with Tpeak 245°C. The EP6 series SMD current transformers are constructed with a ferrite core which is built with 5 U-shape terminals. These current transformers are RoHS compatible with MSL level-1 rating. Applications include an ultrasonic sensor, ultrasonic park assist, industrial distance measuring, and robotics.