PQQ6W-S 6W & PQQ10W-S 10W DC-DC Converters CUI Inc PQQ6W-S 6W and PQQ10W-S 10W DC-DC Converters are isolated DC-DC converters in a compact SIP-8 package. These high-efficiency devices feature a 4:1 input range, single or dual regulated output, as well as short-circuit and overcurrent protections. CUI Inc PQQ6W-S 6W and PQQ10W-S 10W DC-DC Converters are EN 62368 approved and operate in a temperature range of -40°C to +105°C.