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FOSAN BZT52C11S
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- FOSAN BZT52C11S
- Type
- FOSAN
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- FOSAN
- Electronic Component
- BZT52C11S
- Electronic Component
- 1
- Package
- SOD-323
- Electronic Component
- Zener Diode
- Electronic Component
- 0.026g
- Electronic Component
- 1
- (Zzt)
- 50Ω
- Electronic Component
- BM0264886507
- Diode
- 1
- Current(Ir)
- 100nA
- Power Dissipation(Pd)
- 200mW
- Electronic Component
- 10.4V~11.6V
- Electronic Component
- 65℃~+150℃
- 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.
BZT52C11S 产品概述
一、产品概述
BZT52C11S 是 FOSAN（富信）出品的一款独立式稳压二极管，封装为 SOD-323，标称稳压值 11V。器件为小功率低漏电的稳压（齐纳）二极管，适用于对电压参考、浪涌钳位与小信号稳压场合，兼顾体积小、成本低与可靠性要求。
二、主要参数
- 稳压值（标称）：11V
- 稳压值范围：10.4V ～ 11.6V
- 反向电流 Ir：100 nA（典型/最大级别）
- 耗散功率 Pd：200 mW（最大）
- 动态阻抗 Zzt：50 Ω（在规定测试电流下）
- 工作结温范围：-65 ℃ ～ +150 ℃
- 封装：SOD-323（表面贴装）
- 配置：1 个独立式二极管
三、特性与优势
- 小巧封装（SOD-323），适合高密度 PCB 布局与便携设备。
- 低反向漏电，有利于高阻抗电路的电压参考稳定性。
- 200 mW 的耗散能力满足小功率稳压与钳位需求。
- 宽工作结温范围，适合苛刻环境与工业级应用。
- 稳压公差合理（10.4V–11.6V），利于批量一致性设计。
四、典型应用
- 电源轨的局部稳压与基准电压源（小电流场合）。
- 输入浪涌保护与过压钳位，保护敏感器件。
- 测试与测量电路中的参考电压源。
- 低功耗消费电子、通信模块、传感器前端等。
五、设计与使用注意事项
- 功耗限制：Pd 为 200 mW，设计时需计算在工作电流与电压下的耗散，并考虑 PCB 散热，必要时采用功率降额或外部限流。
- 串联电阻：作稳压器使用时需串联合适电阻以限制电流，R = (Vin - Vz) / Iz，其中 Iz 为稳压工作电流。
- 热管理：SOD-323 封装散热受限，长时间高温或高功率运行会导致结温升高，应保证结温在额定范围内。
- 动态阻抗：Zzt≈50 Ω 表明在变化电流时输出有一定波动，不适合要求高精度低噪声的参考源。
- 焊接工艺：遵循无铅回流温度曲线，避免超出封装最大温度。储存与搬运注意防潮、防静电。
六、封装与可靠性
SOD-323 为常见的表贴封装，适配自动贴片与回流焊工艺。器件通过常规温度循环与湿热测试后可靠性良好，工作结温范围宽，适合工业和商业级应用。建议在 PCB 布局时增加热铜面积和散热通孔以提升散热能力。
七、选型建议与订购信息
选择时确认实际工作电流、输入电压范围与允许功耗，并评估动态阻抗对电压稳定性的影响。BZT52C11S 适合低功率稳压、钳位与参考用途；若需更大功率或更低阻抗，可选用更高 Pd 或低 Zzt 的型号。订购时注意厂商型号、批次与封装标识，索取数据手册以获取完整电气曲线与焊接规范。
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