All 4 items seem to be DD4812PA (dual output: ± 12 V). But one of them has a single 12V output. They're all functioning. They work better as the load is increased. Very fast shipping.
All 4 items seem to be DD4812PA (dual output: ± 12 V). But one of them has a single 12V output. They're all functioning. They work better as the load is increased. Very fast shipping.