They can be used between transistor and heatsink helping dissipate heat while isolating the heatsink. Mica insulation material. Product Contents: 10x Insulating Pads and 10x Insulating Bushes. Transistor insulating kit.
Transistor Mica Insulator Kit, TO-3, Pack of 10 - MK3301/51
Transistor Mica Insulator Kit, TO-220 Package, Pack of 10 - MK3306
TO-220 Mica washer Thermal Insulator Kit semiconductor to Heatsink pack of 5
TO-3 Mica washer Thermal Insulator Kit semiconductor to Heatsink pack of 5
TO-3P/TO-218 Mica Thermal Insulator Kit semiconductor to Heatsink pack of 5
Large TO3P M3 WASHER Cw Mica INSULATOR Pads 20x25mm HEATSINK Kit 40 Pcs
