DF57-2P-1.2V(21) DF57-2P-1.2V(22) DF57-2P-1.2V(23) DF57-2P-12V DF57-2P-2.4V(21) DF57-2P-2.4V(23) DF572S1.2C DF57-2S-1.2C DF57-2S-1.2C(09) DF57-2S-1.2V