ITEM NAME:100 TO-3P TO-247 White Silicone particle Transistor Plastic Washer Insulation FT Feature: Color:White Used for packaging triode/IC TO-3P suitable for TO-247 radiator The meterial:Silicone particles Temperature: 170 degrees Package Include: 100pcs TO-3P TO-247 Transistor Plastic Washer Insulation silicone particles Feature: Color:White Used for packaging triode/IC TO-3P suitable for TO-247 radiator The meterial:Silicone particles Temperature: 170 degrees Package Include: 100pcs TO-3P TO-247 Transistor Plastic Washer Insulation silicone particles.Suitable for TO-247 radiator.