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Jingdao Microelectronics SMAJ6.5A
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Electronic SMAJ6.5A
- Type
- Jingdao Microelectronics
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic
- Electronic Component
- SMAJ6.5A
- Electronic Component
- 1
- Package
- SMA(DO-214AC)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.211g
- Electronic Component
- 1
- Electronic Component
- BM0228055892
- Operating Temperature
- 65℃~+150℃
- Voltage
- 11.2V
- Electronic Component
- IEC 61000-4-2
- Current(Ir)
- 500uA
- Voltage(VBR)
- 7.98V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMAJ6.5A AK 产品概述
一、产品简介
SMAJ6.5A AK 是晶导微电子推出的一款单向 TVS（二极管瞬态电压抑制器），封装为 SMA（DO-214AC）。该器件针对瞬态过压与静电放电事件提供快速钳位保护，适用于直流电源、数据总线及电源入口等需要稳压和浪涌防护的场合。
二、主要参数（典型值）
- 极性：单向
- 反向工作电压 Vrwm：6.5V
- 击穿电压 Vbr（Ibr 测试条件）：约 7.98V
- 钳位电压 Vc（峰值脉冲条件）：11.2V
- 峰值脉冲电流 Ipp：35.7A（10/1000 μs 波形）
- 峰值脉冲功率 Ppp：400W（10/1000 μs 波形）
- 反向电流 Ir：≤500 μA（在 Vrwm 条件下，常温）
- 工作温度范围：-65℃ ~ +150℃
- 防护等级：符合 IEC 61000-4-2 静电放电规范（适用于 ESD 抗扰设计）
- 封装：SMA (DO-214AC)
三、产品特性与优势
- 响应速度快：TVS 二极管在纳秒级响应瞬态脉冲，能有效将突发过压钳位到安全电平。
- 高能量吸收：在 10/1000 μs 波形下可承受 35.7A 的峰值脉冲电流和 400W 的峰值功率，适合工业级浪涌抑制。
- 低钳位电压：11.2V 的钳位值能在保护目标器件的同时降低残余应力。
- 宽工作温度：-65℃ 到 +150℃，适用于严苛环境与汽车级或工业级应用（请根据应用评估封装与可靠性要求）。
- 单向结构：适配直流电源线路，正向导通保护时表现更可控，适合 5V/6V 类电源保护场景。
四、典型应用场景
- 电源入口及稳压电路的突波保护（尤其是 5V/6V 供电系统）。
- 通信接口与数据总线（当需在单向保护下限制正向过压时）。
- 工业控制设备、电源模块、充电器与适配器的浪涌保护。
- 需要满足 IEC 61000-4-2 抗扰度要求的电子系统。
五、布局与使用建议
- 尽量将 TVS 贴近被保护端口或电源输入处并保持走线最短，以减小寄生电感，提高钳位效果。
- 为保证散热，SMA 封装需要合理的 PCB 铜箔面积和热通道，尤其在需多次承受脉冲情况下。
- 在高温环境下应注意反向漏电随温度上升而增加，设计时留有足够余量。
- 装配时遵循元件的回流焊工艺规范，避免超过推荐的温度曲线以保护器件可靠性。
- 若系统存在多次大能量冲击，建议进行整机级热分析和寿命评估，必要时并联或选用更高能量等级的 TVS。
SMAJ6.5A AK 以其可靠的浪涌抑制能力、低钳位和宽温度适应性，适合在对抗瞬态过压与静电放电的多种工业与民用场景中作为首选的保护元件。选型时请结合系统的最大允许钳位电压、能量需求与工作环境共同评估。
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