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Jingdao Microelectronics BZT52C10SW
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Electronic BZT52C10SW
- Type
- Jingdao Microelectronics
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic
- Electronic Component
- BZT52C10SW
- Electronic Component
- 1
- Package
- SOD-323W
- Electronic Component
- Zener Diode
- Electronic Component
- 0.027g
- Electronic Component
- 50
- (Zzk)
- 150Ω
- (Zzt)
- 20Ω
- Electronic Component
- BM0259356458
- Diode
- 1
- Current(Ir)
- 200nA@7V
- Power Dissipation(Pd)
- 200mW
- Electronic Component
- 9.4V~10.6V
- 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.
BZT52C10SW 产品概述
一、产品简介
BZT52C10SW 是晶导微电子推出的一款小功率表面贴装稳压二极管，标称稳压值为 10V，适用于空间受限的便携和消费类电子产品。器件采用 SOD-323W 超小封装，兼顾体积与性能，适合做基准电压源、浪涌钳位和简单稳压电路。
二、主要技术参数
- 标称稳压值（Vz）：10V
- 稳压值范围：9.4V ～ 10.6V
- 反向电流（Ir）：200 nA @ 7V
- 最大耗散功率（Pd）：200 mW（Ta=25°C，需按热阻降额）
- 动态阻抗：Zzt = 20 Ω；Zzk = 150 Ω
- 封装：SOD-323W（晶导微电子）
说明：理论最大稳流 Imax = Pd / Vz = 200 mW / 10 V = 20 mA（此为在良好散热条件下的极限值，实际应用需降额）。
三、特点与优势
- 低漏电：在 7V 条件下反向电流仅 200 nA，适用于对静态功耗敏感的电路。
- 小体积：SOD-323W 封装便于高密度板级布局，适合移动设备和便携模块。
- 宽稳压范围：9.4V–10.6V 的公差满足多数 10V 参考/稳压需求。
- 良好稳压特性：在额定测试电流附近动态阻抗仅 20 Ω，有利于维持稳压精度；在低电流区阻抗上升（Zzk≈150 Ω），提示在极低电流下稳压能力受限。
四、典型应用
- 单颗二极管做基准电压源（配合限流电阻）
- 电源浪涌/过压钳位保护
- 模拟电路偏置源、保护小信号器件
- ADC/DAC 的参考或缓冲（对精度要求中等的场合）
- 便携/消费类电子、通信模块、传感器前端
五、使用与布局建议
- 限流电阻的选择：R = (Vin − Vz) / Iz。建议按稳态与瞬态功耗降额计算限流电阻，保证在任何工况下 Pd 不被超过。
- 长期工作电流建议降额：虽然理论极限约 20 mA，但鉴于 SOD-323W 热阻较大，推荐长期工作电流控制在 5–10 mA 或更低以提高可靠性。
- PCB 布局：将器件焊盘与大面积铜箔连通以利散热，走线尽量短且粗；若功耗较高，可在底层布置散热铜箔或通过过孔导热。
- 焊接工艺：支持回流焊工艺，建议遵循通用的回流温度曲线（避免超温或多次回流），焊接后避免长时间高温环境。
六、注意事项与选型要点
- 若电路在很低电流（微安级）工作，请注意 Zzk 较大，稳压精度会下降，必要时选用低漏电、低动态阻抗的参考源。
- 对静态精度、温漂或噪声有较高要求的应用，应考虑专用基准源或带温度补偿的稳压器件。
- 在选择时需综合考虑封装散热条件、实际工作电流及瞬态浪涌能量，合理设计限流与过压保护电路。
总结：BZT52C10SW（晶导微电子）以小体积、低漏电和适中的稳压特性，适合做10V级别的板级稳压与保护元件。合理的热管理与限流设计可确保长期可靠运行。
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