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BZT52C5V6 是一款常用的低功耗稳压二极管,适用于小功率稳压与电压钳位场合。来自 YONGYUTAI(永裕泰)品牌,封装为 SOD-123(贴片)。关键电气参数如下:
SOD-123 为小体积表面贴装封装,便于在空间受限的电路中使用,但其热阻相对较高,散热能力受限。因此在使用时必须考虑功率降额与热管理:
BZT52C5V6 通常作为并联稳压(分流稳压)元件使用,常见接法为反向并联在负载上,配合串联限流电阻 Rs 形成简易稳压电路。关键公式:
举例说明:若 Vin = 12 V,目标 Iz = 20 mA,则 Rs = (12 − 5.6) / 0.02 = 320 Ω;二极管功耗 ≈ 5.6 × 0.02 = 0.112 W;限流电阻功耗 ≈ 6.4 × 0.02 = 0.128 W。此时二极管功耗远低于 500 mW,可长期使用;但若 Iz 接近上限,二极管功耗将快速上升,应避免长期运行于高功率点。
适用场合:
限制与注意:
总结:BZT52C5V6(5.6V,500 mW,SOD-123)是一款适合小功率稳压与钳位用途的通用稳压二极管。设计时重点关注工作电流、散热与制造公差,合理限流并进行降额设计可获得长期可靠的工作状态。如需更详细的典型曲线或温度特性,请参阅厂家完整数据手册或联系供应商获取样品测试数据。
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WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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