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GOODWORK BZT52C3V9
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- GOODWORK BZT52C3V9
- Type
- GOODWORK
- Minimum package
- 3000 编带
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- GOODWORK
- Electronic Component
- BZT52C3V9
- Electronic Component
- 1
- Package
- SOD-123
- Electronic Component
- Zener Diode
- Electronic Component
- 0.033g
- Electronic Component
- 1
- (Zzk)
- 600Ω
- (Zzt)
- 90Ω
- Electronic Component
- BM0264757993
- Diode
- 1
- Current(Ir)
- 3uA@1V
- Power Dissipation(Pd)
- 500mW
- Electronic Component
- 3.7V~4.1V
- 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.
BZT52C3V9 稳压二极管（GOODWORK，SOD-123）产品概述
一、产品简介
BZT52C3V9 是 GOODWORK（固得沃克）生产的一款独立式低功耗稳压二极管，标称稳压值 3.9V，公差范围 3.7V～4.1V，采用 SOD-123 表面贴装封装。该器件用于提供简单可靠的基准电压或做为并联稳压（分流式稳压）元件，适合空间受限和成本敏感的消费电子与工业控制场景。
二、主要参数
- 标称稳压值（VZ）：3.9V（范围 3.7V ～ 4.1V）
- 最大耗散功率（Pd）：500 mW
- 反向电流（IR）：3 μA @ 1 V（数据由厂方标注）
- 动态阻抗：Zzt = 90 Ω，Zzk = 600 Ω（分别反映不同工况下的交流小信号阻抗）
- 封装：SOD-123（小体积 SMD）
- 结构：单只独立稳压二极管
三、主要特性与优势
- 小体积封装，便于表贴自动化生产与高密度 PCB 布局。
- 中低电压等级（3.9V），适合作为基准电压或对单节锂电池附近电压进行钳位保护。
- 低漏电（典型 3 μA @1V），对高阻抗电路影响小。
- 500 mW 的最大耗散能力在适当散热条件下能满足多数低功率分流稳压需求。
- 动态阻抗信息有助于评估稳压精度与纹波抑制能力。
四、典型应用
- 小信号电路的电压基准与比较器偏置。
- 电源过压钳位与浪涌保护。
- 低功耗设备中作为参考或稳压单元（结合串联限流电阻使用）。
- 消费类电子、传感器前端、便携式仪器与小型工业控制模块。
五、封装与热管理
SOD-123 为常见小型表贴封装，热阻相对较大，实际耗散能力需结合 PCB 散热面积与环境温度评估。为了保证长期可靠性，应对工作电流进行限流设计，并在高温应用中进行功率降额。
六、选型与使用注意事项
- 确认工作点电流：稳压二极管需在其规定电流范围内工作以达到标称 VZ，过小电流会导致稳压值偏高或不稳。
- 管理功耗：计算器件功耗 P = VZ × IZ 并确保低于 500 mW，同时考虑 PCB 散热条件。
- 考虑漏电对高阻电路的影响，并评估动态阻抗对纹波抑制与负载变化时的稳压精度影响。
- 注意温度漂移与长期漂移，必要时采用配套温度补偿或更高精度的参考源。
七、可靠性与储存
遵循常规焊接与储存规范（如抗静电、防潮处理），在回流焊工艺中注意温度曲线，避免超出封装允许的热应力；长期储存应防潮密封以保持焊接可靠性。
总结：BZT52C3V9（GOODWORK，SOD-123）是一款适合低功耗、空间受限设计的通用型稳压二极管，凭借小封装和标称 3.9V 电压，可在多种便携与工业应用中担任基准或过压保护角色。在使用时应重点关注工作电流、功耗与散热条件以确保稳定可靠。
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