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MDD SMAJ16CA
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- MDD SMAJ16CA
- Type
- MDD
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MDD
- Electronic Component
- SMAJ16CA
- Electronic Component
- 1
- Package
- DO-214AC
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.094g
- Electronic Component
- 1
- Electronic Component
- BM0230596249
- Operating Temperature
- 65℃~+150℃
- Voltage
- 26V
- Current(Ir)
- 1uA
- Voltage(VBR)
- 19.7V
- 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.
SMAJ16CA 产品概述
一、产品简介
SMAJ16CA 是一款 MDD 出品的双向瞬态抑制二极管（TVS），封装为 SMA（DO-214AC）。它为工作电压约 16V 的系统提供高速、可靠的浪涌和静电保护，特别适合对瞬态能量吸收能力和钳位能力有较高要求的汽车电子、通信设备、电源模块和工业控制场合。
二、主要技术参数
- 极性：双向（可对正负脉冲对称钳位）
- 反向截止电压 Vrwm：16V（建议工作稳压参考值）
- 击穿电压 Vbr：19.7V（典型）
- 钳位电压 Vc：26V（对应峰值脉冲条件）
- 峰值脉冲电流 Ipp：15.4A（通常按 10/1000μs 波形）
- 峰值脉冲功率 Ppp：400W（10/1000μs）
- 反向漏电流 Ir：1μA（典型值）
- 工作温度范围：-65℃ ~ +150℃
三、主要特性与优势
- 强劲的吸能能力：在 10/1000μs 浪涌波形下可承受 400W 峰值功率和 15.4A 峰值电流，适合电源浪涌和雷击耦合场景。
- 低漏电流：典型 1μA 漏电流，有利于在待机或低功耗电路中使用，不会显著影响系统能耗与电平。
- 双向保护：无需区分极性，便于在线路间对称保护，适用于交流或可能出现正负极性瞬变的场合。
- 宽温度适应：-65℃ 至 +150℃ 的工作温度范围满足工业级及苛刻环境要求。
四、典型应用场景
- 汽车 12V/24V 电源总线防护（点火浪涌、启动瞬态）
- 通信基站与终端设备的接口保护（以太网、串口、信号线）
- 工业控制与电源模块的输入端浪涌抑制
- 医疗及消费电子中对传导/辐射瞬态的二次防护
五、封装与 PCB 布局建议
SMA（DO-214AC）封装便于自动化贴装与回流焊。布板时建议将 TVS 尽可能靠近受保护端口放置，焊盘短而粗以降低阻抗；适当扩大铜箔面积利于热量分散。对于高能量脉冲，必要时在 TVS 周围设计热沉或通孔连地的散热网，以提高重复脉冲承受能力。
六、选型与使用注意
- VRWM（16V）为稳态最大工作电压，长期超出此电压会引起泄漏和发热，切勿将 TVS 用作稳压器。
- 钳位电压（26V）是峰值保护值，应评估被保护器件能否承受该电压瞬态。
- 双向器件不区分极向，但在标识方面仍按制造商资料安装以便维护。
- 若系统存在连续或频繁大能量冲击，应评估是否需要并联或选择更高能量等级的 TVS，并注意熔断与后级保护协同设计。
总体而言，SMAJ16CA 在中低电压电源与信号线的瞬态防护中提供了平衡的能量吸收、低漏电和易于安装的解决方案，是工程上常用的保护元件之一。
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