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YANGJIE SMAJ30A
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
13
specifications
Core information
- Product name
- YANGJIE SMAJ30A
- Type
- DO-214AC(SMA)
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- YANGJIE
- Electronic Component
- SMAJ30A
- Electronic Component
- 1
- Package
- DO-214AC(SMA)
- Electronic Component
- 0.119g
- Electronic Component
- 1
- Electronic Component
- BM0231096090
- Electronic Component
- Electronic Component
- Electronic Component
- 5000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMAJ30A（YANGJIE 扬杰）产品概述
一、产品简介
SMAJ30A 是扬杰（YANGJIE）出品的一款单向瞬态电压抑制器（TVS），采用 DO-214AC（SMA）封装，专为保护敏感电子元件免受雷击、开关瞬态和电气浪涌冲击而设计。其工作电压等级和能量吸收能力适用于30V及以下直流电源线、信号线与接口保护，能够在突发过压时迅速钳位，保护下游器件安全。
二、主要参数
- 极性：单向（Unidirectional）
- 反向稳定工作电压（Vrwm）：30V
- 击穿电压（Vbr）：36.8V
- 钳位电压（Vclamp）：48.4V（在指定脉冲条件下）
- 峰值脉冲电流（Ipp）：8.26A @ 10/1000µs
- 峰值脉冲功率（Ppp）：400W @ 10/1000µs
- 反向漏电流（Ir）：典型 5µA
- 类型：瞬态电压抑制器（TVS）
- 封装：DO-214AC（SMA）
三、特点与优势
- 响应速度快：TVS 器件对瞬态过压响应极快，可在纳秒级别钳位，保护敏感半导体器件。
- 能量吸收能力强：在 10/1000µs 浪涌波形下可承受高达 8.26A 的脉冲电流和 400W 的瞬态功率，适合抗雷击与大能量浪涌场合。
- 低漏电与高可靠性：反向漏电流仅约 5µA，有利于低功耗系统应用；SMA 封装便于批量焊接与可靠性控制。
- 单向结构：适用于直流电源线上提供明确的单向保护，避免正负极互换时的误动作。
四、典型应用场景
- 开关电源与直流配电保护（例如 12V、24V 系统的输入保护）
- 通信设备与网络接口防雷、防浪涌保护
- 工业控制、仪器仪表、电机驱动模块的电源与信号保护
- 汽车电子（符合相应汽车等级要求时）与消费电子产品的稳压防护
五、封装与安装建议
DO-214AC（SMA）封装适合自动贴装与回流焊工艺。推荐PCB布局时：
- 在器件引脚处留足铜箔面积以利散热（必要时多层板接地层辅助散热）。
- 与被保护器件保持合理距离，尽量缩短高电流回路的回流路径。
- 回流焊温度和时间应遵循厂商建议的焊接曲线，避免长时间高温影响器件可靠性。
六、选型与使用注意
- 选型时应保证 Vrwm 高于系统正常工作电压，但留有足够裕量以避免误触发；SMAJ30A 的 Vrwm=30V，适合 24V 级别系统。
- 钳位电压和峰值电流需满足被保护电路的最大承受值，必要时并联更高能量器件或采取组合防护。
- 长时间承受重复脉冲或高能量冲击会降低器件寿命，应考虑熔断器或限流措施配合使用。
- 储存和插件时注意静电防护，遵循合适的环境与焊接规范以保证长期可靠性。
SMAJ30A 以其较高的浪涌吸收能力、紧凑的 SMA 封装和适配 30V 级系统的工作点，是工业、通信及电源保护应用中常用且性价比良好的防护元件。
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