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DOWO BZT52C43S
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO BZT52C43S
- Type
- DOWO
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- BZT52C43S
- Electronic Component
- 1
- Package
- SOD-323
- Electronic Component
- Zener Diode
- Electronic Component
- 0.028g
- Electronic Component
- 1
- (Zzk)
- 700Ω
- (Zzt)
- 100Ω
- Electronic Component
- BM0264356185
- Diode
- 1
- Current(Ir)
- 100nA
- Power Dissipation(Pd)
- 200mW
- Electronic Component
- 40V~46V
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BZT52C43S（DOWO，SOD-323）产品概述
一、产品简介
BZT52C43S 是 DOWO（东沃）推出的一款小型表面贴装齐纳二极管，采用 SOD-323 封装，设计用于在低至中等功耗条件下提供稳定的参考电压与过压钳位。器件具有低击穿阻抗、稳定性高和可靠性好的特点，适合对体积和温度稳定性有要求的电子设备。
二、主要电气参数
- 稳压值（标称）：43V
- 稳压值范围：40V ～ 46V
- 反向电流 Ir：100 nA（典型/测试条件详见数据表）
- 耗散功率 Pd（最大）：200 mW
- 齐纳击穿阻抗 Zzt：100 Ω
- 低电流区阻抗 Zzk：700 Ω
说明：Zzt 和 Zzk 分别表示在测试电流与低电流条件下的动态阻抗，较低的 Zzt 值有助于在工作电流范围内实现更好的电压稳定性。
三、主要特性与优势
- 低击穿阻抗，提升稳压精度并降低噪声影响；
- 最大功率耗散 200 mW，适合小功率稳压与参考源；
- 稳压值范围窄，便于在生产中实现批次匹配与一致性；
- SOD-323 小体积封装，利于高密度 SMT 布局与自动化贴装；
- 高稳定性与高可靠性，适合长寿命与苛刻环境应用（具体环境试验请参照完整数据手册）。
四、典型应用场景
- 精密参考电压源与基准电路（在允许的功耗范围内）；
- 过压保护与电压钳位（需确保峰值能量与平均功耗不超过规格）；
- 仪表、电源管理与通信设备中的局部稳压；
- 工业控制、消费电子及电池供电产品中的保护/参考用途。
五、使用建议与注意事项
- 工作时应保证器件耗散功率不超过 200 mW，推荐在设计中留有功率余量并做适当降额；
- 由于 SOD-323 热阻相对较大，长时间高功耗工作需注意热设计与布局散热；
- 在作为稳压元件使用时，通常需串联限流电阻以限制通过齐纳二极管的电流，避免超出 Pd；
- 规划 PCB 时注意器件极性（阴极通常有标记），并按厂家推荐的焊盘尺寸与回流工艺进行封装安装；
- 选型时请参照完整数据手册确认测试条件（如 Ir 的测量电压、Zzt/Zzk 的测试电流与温度条件）以及可靠性与合规性要求。
六、采购与技术支持
型号标识为 BZT52C43S，封装 SOD-323，品牌 DOWO（东沃）。在最终设计定型前，建议索取并核对厂家完整数据手册、样片进行实测验证，并确认批次一致性与环境应力测试结果以满足项目要求。若需替代器件或匹配建议，可提供系统级应用条件以便进一步选型。
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