在哪里找到便宜的 SMA TVS 二极管 (SMAJxxA)？
与大多数零件一样，如果你订购不止几个，LCSC 是这些组件最便宜的来源（但是，你需要考虑相当昂贵的运费）。
给出的价格仅供预算参考。
单向二极管
- 3.3V: SMAJ3.3A @ 0.05€@1kpc SMAJ3.3LIR @0.09€@1kpc
- 5V: SMAJ5.0A , or this one or this one@0.03€@1kpc
- 12V: SMAJ12A or this one or this one @0.02€@1kpc
- 14V: SMAJ14A or this one or this one @0.025€@1kpc
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