Pacific Transformer PTC-180D 04-77638-01 A01 Transformer (OBJY2) is a transformer manufactured by Pacific Transformer, identified by the PTC-180D model designation and the catalog part number 04-77638-01 A01 with the internal code OBJY2. The exact identifiers—PTC-180D, 04-77638-01 A01, and OBJY2—anchor this device to its catalog entry within Pacific Transformer’s product line.
