Products TO, SOCKET Products/Aluminum Rails/TO, SOCKETAluminum IC Rails for TO (Transistor Outlines) device components. Bake, Burn-in Mark and De-Mark In-Line Process, Output Catch Contact us for more information on: Custom Design and Production MC-5787AR : NPP-301 Sensor Aluminum Rail / TubeMC-5787AR : NPP-301 Sensor Aluminum Rail / TubeMC-DD-PAK-AR : TO-220 Aluminum Rail / TubeMC-DD-PAK-AR : TO-220 Aluminum Rail / TubeMC-S-PAK-AR : S-Pack Aluminum Rail / TubeMC-S-PAK-AR : S-Pack Aluminum Rail / Tube