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YANGJIE SMAJ60A
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
13
specifications
Core information
- Product name
- YANGJIE SMAJ60A
- Type
- DO-214AC(SMA)
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- YANGJIE
- Electronic Component
- SMAJ60A
- Electronic Component
- 1
- Package
- DO-214AC(SMA)
- Electronic Component
- 0.122g
- Electronic Component
- 1
- Electronic Component
- BM0230692645
- 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.
SMAJ60A 产品概述
一、概述
SMAJ60A 为单向 TVS（二极管瞬态抑制器），由 YANGJIE（扬杰）生产，采用 DO-214AC（SMA）封装，专为抑制瞬态过电压（浪涌、电感反向冲击、雷击感应等）设计。该器件在正常工况下对线路几乎不开路，在发生脉冲时迅速进入导通并将能量钳位到安全电平，保护敏感器件和下游电路。
二、关键电气参数
- 反向截止电压（Vrwm）：60 V（单向极性）
- 击穿电压（V(BR)）：73.7 V（典型测试条件）
- 钳位电压（Vclamp）：96.8 V（对应峰值脉冲条件）
- 峰值脉冲电流（Ipp）：4.13 A @ 10/1000 µs 波形
- 峰值脉冲功率（Ppp）：400 W @ 10/1000 µs 波形
- 反向静态电流（Ir）：5 µA（在 Vrwm 条件下）
- 工作温度范围：-55 ℃ ~ +150 ℃
这些参数意味着在 10/1000 µs 的浪涌条件下，SMAJ60A 能承受 4.13A 的峰值脉冲并把电压钳到约 96.8V，从而保护受保护节点不被更高电压损伤。
三、封装与机械特性
SMA（DO-214AC）封装，具有体积小、焊接方便、适用于表面贴装的优点。该封装适合自动贴片生产线，利于批量化组装与快速替换。良好的焊盘设计和短走线可提高浪涌能量分散能力，降低封装温升。
四、典型应用场景
- 电源线浪涌保护：适用于 48V 及接近 60V 的直流系统保护
- 工业控制与智能设备：驱动器、PLC、变频器等对瞬态抑制需求的场合
- 通信与基站设备：接口保护、供电保护
- 消费类电子及楼宇自控：当系统存在感应雷击或大功率开关产生的过电压时
五、设计注意事项
- 选型时应确保 Vrwm 大致等于或略高于电路常态直流电压，以避免工作时泄漏增大；此外需留出钳位电压与被保护器件耐压之间的安全裕度。
- 布局上应将 TVS 靠近被保护器件或接地路径放置，缩短走线，减小串联电感以提高抑制效果。
- 考虑散热与重复冲击：虽然峰值功率为 400W，但重复或持续高能量冲击会导致温升或损坏，应配合保险丝、限流器或串联电阻共同防护。
- 单向器件仅在正向浪涌时导通，负向极性场合需选用双向产品或在电路中做相应处理。
六、可靠性与环境适应
器件工作温度范围宽（-55 ℃ ~ +150 ℃），适应工业级应用。反向电流小（5 µA），有利于低功耗系统中降低静态损耗。长期可靠性还需参考厂商完整资料，包括热阻、封装材料和寿命测试数据。
总结：SMAJ60A 是一款适合中等能量浪涌保护的单向 TVS 器件，封装和参数适用于多种工业与通信场景。在实际应用中，合理的电路布局、匹配的能量管理与保护策略能充分发挥其保护性能，延长被保护系统的寿命。若需更详细的浪涌能量曲线、动态阻抗及封装尺寸，请参考厂商完整数据手册。
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