Myrra 47114 is a 1R0 Core transformer, with a class F insulation system, suitable for high temperature and long life applications. The core has low copper losses and a very low saturation, making it suitable for applications with high-efficiency control circuit applications such as that found in UPS, switch-mode power supplies, air conditioners, and many other applications. It also has weldable terminals which make it easier to install and solder. The transformer is UL recognized and has numerous global safety approvals. It has a frequency range of up to 250 kHz, a temperature range of -20 to +125 °C, and a voltage range of up to 630 VAC.