Insulators for TO-3 Cases

Mica Transistor Insulators

These precision stamped mica insulators provide good thermal conductivity: Excellent thermal resistance 1100°F. (593°C) Dielectric constant of 7 at 1000 KHz..009 watts per square inch per degree celsius per inch in thickness.

 

Part Number Width (W) Height (H) Lead Hole (L) Mount Hole (M)
4636 1.655 [42.1] 1.063 [27.0] .052 [1.3] .166 [4.2]
4644 1.655 [42.1] 1.063 [27.0] .270 [6.9] .166 [4.2]
4651 1.625 [41.3] 1.093 [27.8] .093 [2.4] .166 [4.2]
4652 1.560 [39.6] 1.050 [26.7] .203 [5.2] .171 [4.4]
4653 1.655 [42.1] 1.063 [27.0] .166 [4.2] .166 [4.2]
4658 1.655 [42.1] 1.063 [27.0] .055 [1.4]8 .156 [4.0]
4661 1.562 [39.7]* 1.063 [27.0]* 1.25 [3.2] .156 [4.0]
4662 1.594 [40.5] 1.141 [29.0] .055 [1.4]*** .142 [3.6]
4667 1.655 [42.1] 1.063 [27.0] .166 [4.2]** .166 [4.2]


*** One hole - .059 [1.50] x .086 [2.2] oblong hole

** Sloted holed

* Rectangle

8   For 8 pin TO-3



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