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GOODWORK BZT52C12
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- GOODWORK BZT52C12
- Type
- GOODWORK
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- GOODWORK
- Electronic Component
- BZT52C12
- Electronic Component
- 1
- Package
- SOD-123
- Electronic Component
- Zener Diode
- Electronic Component
- 0.034g
- Electronic Component
- 1
- (Zzk)
- 150Ω
- (Zzt)
- 25Ω
- Electronic Component
- BM0230640070
- Diode
- 1
- Current(Ir)
- 100nA@8V
- Power Dissipation(Pd)
- 500mW
- Electronic Component
- 11.4V~12.7V
- 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.
BZT52C12 产品概述
一、概述
BZT52C12 是一款独立式稳压（齐纳）二极管，标称稳压值 12V，实际稳压范围为 11.4V～12.7V，封装为 SOD-123，品牌 GOODWORK（固得沃克）。该器件适用于小功率稳压、参考电压、浪涌钳位与信号线保护等场合，体积小、便于表面贴装和自动化生产。
二、主要电气参数
- 标称稳压：12V（范围 11.4V～12.7V）
- 反向漏电流 Ir：100 nA @ 8V（泄漏极小，适合高阻电路）
- 耗散功率 Pd：500 mW（SOD-123 封装的最大耗散能力）
- 阻抗：Zzk = 150 Ω，Zzt = 25 Ω（分别反映不同测量条件下的阻抗特性）
这些参数表明 BZT52C12 在低电流条件下具有良好的稳压能力与极低的漏电特性，适用于需稳定参考但功耗较小的场合。
三、性能与应用建议
- 低电流稳压：在数微安到数十毫安范围内工作表现稳定。按 Pd 500 mW 与 12V 估算，理论最大持续电流约 Pd/V ≈ 41 mA，但实际应用应考虑 PCB 散热与环境温度，建议留有裕量并按功率降额使用。
- 电压参考与偏置电路：由于漏电很小，可用于高阻测量或偏置网络，配合电流源或限流电阻使用效果良好。
- 浪涌与钳位保护：可作为低能量浪涌钳位元件，保护后级电路免受过压，但不适合取代高能量瞬态抑制器（TVS）。
- 信号线保护：在需要限制电压尖峰且电流不大时可采用。
四、封装与工艺
SOD-123 是常见的小型表面贴装封装，适合回流焊接与自动贴装生产。封装体积小有利于节省 PCB 面积，但同时限制了热耗散能力。建议在 PCB 设计时：
- 为二极管引脚及周围布置合适铜箔与散热通道；
- 若长时间工作接近额定耗散，应使用较大铜面或加热沉以降低结温；
- 遵循厂家回流焊曲线以保证焊接可靠性。
五、选型与注意事项
- 若电路工作电流接近或超过几十毫安，应选择功率更高或散热更好的器件；
- 对电压精度要求更高（如±1%）时，应选用精密基准源或低阻抗、小温漂的稳压器件；
- 注意温度漂移与稳压随电流变化的特性，必要时阅读完整数据手册获取曲线图与测试条件。
六、包装与采购
品牌：GOODWORK（固得沃克）；封装：SOD-123；型号：BZT52C12。适合批量采购与 SMT 贴片生产。建议向供应商索取详细数据手册（包含温度系数、测试电流条件下的 V-Z 曲线、浪涌耐受能力等）以便在具体设计中进行精确评估。
总结：BZT52C12 以其 12V 标称稳压、低漏电流与小型 SOD-123 封装，适用于小功率稳压与保护应用。在使用时应关注功率耗散与 PCB 散热设计，按实际工作条件留有安全裕量。
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