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JJW SMAJ5.0CA
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- JJW SMAJ5.0CA
- Type
- JJW
- Minimum package
- 7500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- JJW
- Electronic Component
- SMAJ5.0CA
- Electronic Component
- 1
- Package
- SMA
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.121g
- Electronic Component
- 1
- Electronic Component
- BM0227599208
- Voltage
- 9.2V
- Current(Ir)
- 120uA
- Voltage(VBR)
- 6.4V
- Electronic Component
- Electronic Component
- Electronic Component
- 7500
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMAJ5.0CA 产品概述
一、产品简介
SMAJ5.0CA 是捷捷微（JJW）出品的一款双向瞬态电压抑制二极管（TVS），封装为常见的SMA。器件专为保护低压电源和双向信号线免受雷击、浪涌和开关瞬态干扰而设计，响应速度快，吸收能量能力强，适用于工业、通信、电源和消费电子等场景。
二、主要参数
- 类型：TVS（瞬态抑制二极管），双向极性
- 反向截止电压 Vrwm：5V
- 击穿电压（典型）Vbr：6.4V
- 钳位电压 Vc：9.2V（在峰值脉冲条件下）
- 峰值脉冲电流 Ipp：43.5A
- 峰值脉冲功率 Ppp：400W（波形 10/1000µs）
- 反向电流 Ir：120µA（工作电压条件下）
- 封装：SMA（表面贴装）
三、特性与优势
- 双向保护：可对正、负方向的瞬态过电压进行对称钳位，适合交流或差分信号保护。
- 高能量吸收：在10/1000µs浪涌下可承受400W峰值功率，适应雷电或浪涌冲击。
- 低钳位电压：9.2V钳位可在5V工作电压下有效限制过电压幅度，保护后级器件安全。
- 小封装、高可用性：SMA封装便于贴片生产，节省板上空间，便于自动化组装。
四、典型应用
- 5V电源轨保护（如USB、充电口、电源模块）
- 差分信号线与通信接口（CAN、RS-485、差分对等）
- 工业控制设备、仪表与电源接口的浪涌防护
- 消费电子与嵌入式系统的瞬态过压防护
五、封装与焊接建议
SMA 表面贴装封装，推荐依据元件供应商提供的回流焊曲线进行焊接，控制焊接温度和时间以避免器件过热。焊盘设计与过孔布局应兼顾散热与机械强度，避免在元件引脚处施加过大弯曲力。
六、选型与注意事项
- 验证工作电压与Vrwm匹配，SMAJ5.0CA 适用于标称5V系统；若系统存在更高稳态电压，应选更高Vrwm型号。
- 注意钳位电压与后级器件耐压的匹配，9.2V为典型钳位值，确认短时过压不会损伤被保护元件。
- 对可靠性要求高的场合，考虑器件的浪涌循环能力与热管理设计。
七、总结
SMAJ5.0CA 为一款针对5V类系统的高效双向TVS器件，兼具高能量吸收与低钳位特性，封装与参数适合大批量表面贴装生产。用于需要稳健瞬态保护的电源和信号接口时，是一种成本效益较高的选择。若需更严苛的电气或环境等级，请参考厂方完整规格书并与供应商确认。
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