25LC640-T/SN 25LC640T-E/SN 25LC640T-E/SN12KV05 25LC640T-E/SNG 25LC640T-E/SNV03 25LC640TESNG12KVAO 25LC640T-I/P 25LC640TI/SN 25LC640T-I/SN 25LC640T-I/SN(PB FREE)