CMF Axial Metal Film Resistors Vishay / Dale CMF Axial Metal Film Resistors are available in a wide range of styles, including industrial, non-magnetic, fusible, and pulse withstanding. These resistors are designed to protect electronic equipment from a variety of electrical hazards, which could change or destroy sensitive equipment. Vishay / Dale CMF Axial Metal Film Resistors operate in a temperature range from -55°C to +175°C for the industrial, non-magnetic, and pulse withstanding variants. The fusible resistors have an operating temperature range of -65°C to +165°C.