What is the storage life of the chip?
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组件不使用时的使用寿命是多久?这岂不是说,如果它没有被使用或打开,它就有无限的寿命吗?

航空航天电子元件有严格的标准,有效储存期为3-5年。有趣的是,一些国家的半导体储存寿命是 25 年,因为战略核武器的设计寿命是 30 年。

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JANS2N2219AL,它来自 1980 年。时间悄然流逝,来到了 1998 年。在仓库里静静等待了 17 年后,有人摘了它,取出 10 根管子进行了 6000h 的全功率寿命测试。结果表明,它对可靠性没有影响。由此可见,长期存放不是问题。时光荏苒,八年后的 2006 年,所有样品的电参数都被重新测试。hFE 参数均与 1998 年一致,无明显变化,证明航空航天级器件在实验室条件下表现良好。极长的存储寿命。

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此外,存放了 32 年的 JTX2N2405也通过了严格的测试。随机抽取 10 支样品管进行焊接性测试,全部通过。

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半导体的使用寿命超乎您的想象。过去的实验告诉我们,芯片存储寿命确实可以达到 30 年以上。但是,这些条件会缩短其储存寿命。运输和储存过程中的机械或电气损坏或降解。不采取静电保护措施 ESD 会杀死您的芯片,在储存过程中,湿气已经渗入用于密封的产品中,您的原件已经受潮。由于储存不当导致针脚氧化。

The key factor in maintaining the life of your components is proper storage and protection.


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