THERMALLOY 8909NB Insulating Cover For TO-3 Semiconductor - 10 Pack (Made In USA)

This is a 10-pack of THERMALLOY 8909NB insulating covers.

They're specifically designed for TO-3 style semiconductors—those big metal-can transistors and voltage regulators.

These covers help insulate the case to prevent short circuits and provide a layer of protection.

They're brand new and, best of all, made right here in the United States.

If you're repairing old audio equipment, power supplies, or any electronics with TO-3 devices, these are the exact covers you need.

THERMALLOY is a trusted name in thermal management.