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Reed Switches and Relays Offer Long Life and Versatility

机译：簧片开关和继电器具有长寿命和多功能性

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Reed Switches are frequently overlooked when the topic of switches comes up. Basically a reed switch is a glass tube with a lead coming out of each end. Inside the glass tube are two leads that make up what would be considered the contacts. These leads or contacts are spread apart with an air gap of 0.001″. Current or voltage is switched with the use of a magnet. Most reed switches in use today have a glass tube length of 10 mm to 20 mm and a diameter of approximately 2 mm. Hasco presently sells a reed switch that starts out as nickel iron and then plated with rhodium over gold. To ensure a life cycle of tens of millions of operations, or possibly years of inactivity, the leads go through a special process to remove impurities. This makes the leads in the glass immune to contact resistance. The contacts are also sealed with nitrogen in the glass tube. Other reed switch companies use ruthenium as a plating method. Both production methods are good as long as there are adequate quality control methods in place.
机译：当出现开关主题时，簧片开关经常被忽略。基本上，舌簧开关是一根玻璃管，两端各有一根引线。玻璃管内有两条引线，构成了被认为是触点的部分。这些引线或触点以0.001英寸的气隙散开。电流或电压使用磁铁切换。当今使用的大多数簧片开关的玻璃管长度为10毫米至20毫米，直径约为2毫米。 Hasco目前出售一种簧片开关，该开关起初为镍铁，然后在黄金上镀铑。为了确保数千万次操作的生命周期或可能长达数年的不活动状态，引线经过特殊的工艺来去除杂质。这使得玻璃中的引线不受接触电阻的影响。触点还在玻璃管中用氮气密封。其他干簧开关公司也使用钌作为电镀方法。只要有足够的质量控制方法，这两种生产方法都是好的。

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