... transformer for LED driver,transformers for fluorescent lights,mini led transformer,led transformer 110v 1.features: transformer bobbin,ETD transformer bobbin,plastic bobbin for ... power: Dc-Dc,Ac-Dc, Ac-Ac2, Used in all circuits types: single-terminal backward start,single-terminal forward ... Jar-shape with self-shielding compared with ring-shape one, the jar-shape cores easily coiling, high inductance ...