RAC20E-05SK/277 AC/DC CONV 20W 85-305 VAC 5VDC 4A 2"x1" The RAC20E-05SK/277 is a high-quality product offering AC/DC CONV 20W 85-305 VAC 5VDC 4A 2"x1". With a shrink ratio of N/A and N/A operating temperature, it provides reliability in various applications.