The WRA1205S-3WR2 is a Power ModuleIsolated Module 2 9V 18V 3W 78% 1.5kVDC SIP RoHS manufactured by MORNSUN. It is a surface mount DC-DC converter module with isolated type, 9V-18V input voltage, 3W output power, 78% efficiency, and 1.5KVDC isolation voltage. It also features low power consumption, short circuit protection, high efficiency, no heat sink required, and meets the RoHS standard. It is small and light in size suitable for high density PCB layout. It is suitable for usage in industrial control, measuring instruments, instrumentation, industrial automation, LED drive, and so on.