ConTech's 4 W PCB-Mount Encapsulated AC/DC Power Supply
>The PK4 series of ac/dc switching power supplies offers 4 W of output power in a 1.44x1.06x0.67 in. encapsulated case. It operates from a standard 85-264 Vac input, at 47-440 Hz. The single-output models available are 3.3, 5, 9, 12, 15 and 24 Vdc. Dual output models are +5/+3, +12/+5, +/-12, and +/-15 V dc. Protective features used in this series are output over-voltage protection and short circuit protection. The units are encapsulated with a thermally conductive potting compound in a plastic resin and fiberglass case that meets UL94V-0. The PK4 series is rated for 3000 V ac isolation, is UL approved, and is RoHS compliant.
For more information visit http://www.ConTech-us.com/pdf/PK4.pdf