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BZT52C15SW 是晶导微电子推出的一款独立式小功率稳压二极管,标称稳压值为 15V。该器件采用 SOD-323W 小封装,适合空间受限的表面贴装场合,具有低泄漏电流和较好的稳压特性,常用于低功耗基准、稳压与保护电路中。
BZT52C15SW 在规定测试电流下显示出典型的动态阻抗 Zzt = 30Ω,说明在工作电流较高时具有较好的稳压能力;而 Zzk = 200Ω 表示在接近击穿拐点、极低电流条件下稳压特性会变差,因此在设计时应保证足够的稳流以维持稳定输出。极低的反向泄漏([email protected])使其在高阻抗参考和偏置电路中效果优良。
器件最大允许的总电流可由 Pd 限定:最大 Iz+IL ≈ Pd / Vz = 200mW / 15V ≈ 13.3mA。建议在实际设计中留安全裕量(例如不超过额定功率的 50%~70%)以提高可靠性与寿命。
SOD-323W 为小型表面贴装封装,建议按常规无铅回流焊工艺安装(参考器件实质性数据手册中的回流曲线)。装配时注意焊盘尺寸与锡膏量匹配,减少热应力与焊点应力集中;高温回流后应避免反复高温循环以保护结温寿命。
工作结温范围广(-55℃ ~ +150℃),适合工业温度等级应用。长期可靠性受结温、功耗和环境(潮湿、机械应力)影响,建议储存、运输与回流前遵守干燥箱与防潮规范,必要时做防潮回流前烘干处理。
订购时请确认完整料号 BZT52C15SW、封装 SOD-323W 与所需的卷盘数量;如需替代,可在相同性能(Vz、Pd、Zzt、封装)范围内比较。使用前建议参照晶导微电子的完整数据手册获取详尽的测试条件、IV 曲线与回流焊工艺参数。
总结:BZT52C15SW 是一款适用于小功率、空间受限场合的 15V 稳压二极管,具有低泄漏、良好动态阻抗和宽工作温度范围,适合用于偏置、基准与保护等场合。在设计中应重视功耗限额与热管理,以保证长期稳定工作。
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Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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