INSULATING KIT MICA TO-3P/TO-218; Insulator Body Material:Mica; Thermal Conductivity:-; Breakdown Voltage Vbr:1kV; Thickness:0.1mm; Volume Resistivity:-; Thermal Impedance:-; Dielectric Strength:-; Product Range:-; External Depth:28mm; Isolation Voltage:1kV; Mounting Hole Dia:4mm; Overall Width:25mm; Packages Cooled:TO-3P TO-218; Type:Transistor Insulating Kit