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BORN SMAJ9.0CA
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- BORN SMAJ9.0CA
- Type
- BORN
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- BORN
- Electronic Component
- SMAJ9.0CA
- Electronic Component
- 1
- Package
- SMA(DO-214AC)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.103g
- Electronic Component
- 1
- Electronic Component
- BM0230596458
- Voltage
- 15.4V
- Current(Ir)
- 10uA
- Voltage(VBR)
- 10V
- 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.
SMAJ9.0CA 产品概述
一、主要参数
SMAJ9.0CA 是 BORN（伯恩半导体）出品的一款双向瞬态电压抑制器（TVS），封装为 SMA (DO-214AC)。其典型电气参数如下：
- 极性：双向
- 反向工作电压 Vrwm：9 V
- 击穿电压（Vbr）：10 V（典型）
- 钳位电压：15.4 V @ Ipp 26 A
- 峰值脉冲电流 Ipp：26 A
- 峰值脉冲功率 Ppp：400 W
- 反向电流 Ir：≤ 10 μA
- 类型：TVS（二极管，用于浪涌/瞬态抑制）
二、关键特性
SMAJ9.0CA 以其高能量吸收能力和小型表贴封装为特点，适合对瞬态浪涌有较高抑制需求的9V等级电路。双向结构使其能在正负极性瞬态（例如交流耦合或双向信号线上）均匀钳制电压，避免极性选择错误。低漏电流保证在静态时对电源影响最小；在瞬态事件中能迅速进入雪崩区，有效将高能量脉冲限制在安全电压范围内（钳位约15.4V）。
三、典型应用场景
- 9V 直流电源轨及电源输入端保护（如电源模块、适配器输入）
- 数据/信号线路的级联保护（双向应用场合）
- 工业控制设备、仪器仪表的浪涌抑制
- 通信设备及网络接口的瞬态保护（应配合系列阻抗或滤波器使用）
- 汽车车载电子（对温度与冲击要求较高的场合需确认车规级参数）
四、电气与热设计要点
- 峰值功率 Ppp=400W 表示在指定脉冲波形下器件可吸收较大的瞬态能量，但应避免频繁大幅度的脉冲事件；如需多次冲击保护，建议在系统级增加串联阻抗或吸能器件分担能量。
- 钳位电压与被保护电路耐受电压应匹配：典型钳位 15.4V 适用于对瞬态有一定容忍度但需保护在较低压位的电路。
- PCB 布局：尽量缩短 TVS 与受保护节点之间的走线，提供较粗的焊盘与散热铜箔，必要时在焊盘下方增加过孔以导热至内层/底层散热层。良好接地和低阻回流路径可提升吸收能力与重复寿命。
五、封装与焊接注意
SMA (DO-214AC) 为常见表面贴装封装，适用于回流焊工艺。焊接时遵循制造商推荐的温度曲线与最大峰值温度，避免超出材料耐受范围。储存和运输时注意防潮防氧化，长期高温环境下漏电流和击穿电压可能发生漂移，必要时进行寿命验证。
六、选型建议与可靠性
- 若电路为单极性直流，可考虑单向 TVS 型号；若存在反向脉冲或交流耦合，SMAJ9.0CA 双向型号更合适。
- 对于多次高能量冲击或汽车级应用，应核实器件的脉冲重复能力、工作温度范围及厂家可靠性测试报告。
- 在系统级保护设计中，TVS 常与熔断器、限流电阻、滤波器等配合使用，以分散能量并提高整体可靠性。
总结：SMAJ9.0CA 提供在 9V 工作电压等级下可靠的双向浪涌保护，钳位电压和能量吸收能力使其适用于多种工业与通信场景。具体使用时，请结合实际脉冲波形、冲击频率及热管理方案进行验证。若需更详细的最大额定值、温度特性或波形条件，请参考 BORN 官方规格书。
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