TO-3晶体绝缘盖帽带螺丝扣环 Keystone 4634 or 4632 equivalent。

TO-3晶体管绝缘盖帽，配合M4安装螺丝。可预防短路对器件造成损坏，螺丝孔内预装金属导电扣眼，可以加强螺纹连接的强度。

盖帽顶端中心预制微型探针孔，采用尼龙66 材料注塑而成。

防火等级两种 常规阻燃等级UL94V2, 物料编号 4634 带金属螺丝扣眼，  物料编号 4632 无金属螺丝扣眼

                     阻燃等级UL94V0, 物料编号 4634V0 带金属螺丝扣眼，  物料编号 4632V0 无金属螺丝扣眼

   TO-3晶体管绝缘盖帽系列图纸下载

TO-3 Transistor Covers Product Description:

Power Transistor Covers
eliminate chance of short circuit and electric shock
Hole in cover for test probe 
Moulded in Nylon 6/6
Plastic insulating clamping parts and covers for mounting transistors to suit TO-3 for enhanced insulation and thermal performance.

TO-3 Insulation Covers 
Screws and Washers NOT included 

This insulation covers are used to provide protection against accidental shock during field service or repair. It is Keystone 4634 equivalent.
Flammability Rating: UL94V2 Standard, Self Extinguishing UL 94 V-0 can be made as special part, order code 4634V0
Heat Deflection Temperature: 215.6°C 
Continuous Use Temperature: 130°C