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SpletConstruction and orientation. The tab is located 45° from pin 1, which is typically the emitter. The typical TO-5 package has a base diameter of 8.9 mm (0.35 in), a cap diameter of 8.1 mm (0.32 in), a cap height of 6.3 mm (0.25 in). The pins are isolated from the package by individual glass-metal seals, or by a single resin potting. Splet22. jan. 1993 · 大隆矿“1993.1.22”co中毒事故案例 分析 1993年1月22日白班开始,除岗位人员和值班人员外,全矿停产放假四天。22日7时50分,井下巡视人员向矿调度汇报,东翼 … SpletThe TO-220 is a style of electronic package used for high-powered, through-hole components with 0.1 inches (2.54 mm) pin spacing. The "TO" designation stands for "transistor outline". [2] TO-220 packages have three leads. Similar packages with two, four, five or seven leads are also manufactured. A notable characteristic is a metal tab with a ... primates and philosophers pdf