Catalog > Semiconductors > Integrated Circuits IC IC TDA1557Q 2 X NF-E BTL 18V 4A 2 X 22W (14,4V/4R) 30.78 ZAR inc for 1 Each 18 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Power 22W Mounting THT Number of channels 2 Case QILP13