Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Brightking SMAJ18A/TR13 SMAJ18A
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Brightking SMAJ18A / TR13
- Type
- BRIGHTKING
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Brightking
- Electronic Component
- SMAJ18A/TR13
- Electronic Component
- 1
- Package
- SMA(DO-214AC)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.122g
- Electronic Component
- 1
- Electronic Component
- BM0257688828
- Operating Temperature
- 65℃~+150℃
- Voltage
- 29.2V
- Current(Ir)
- 1uA
- Voltage(VBR)
- 22.1V
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMAJ18A/TR13 产品概述
一、产品简介
SMAJ18A/TR13 为 Brightking（台湾君耀）出品的单向瞬态电压抑制二极管（TVS），封装为 SMA（DO‑214AC）。器件针对瞬态浪涌、电磁脉冲和开关过压提供快速钳制保护，适用于工业、通信、汽车及消费类电子等需抑制大能量脉冲的场合。
二、主要电气参数
- 极性：单向（单向导通，反向截止时承受 Vrwm）
- 反向截止电压 Vrwm：18 V
- 击穿电压 Vbr：22.1 V
- 钳位电压 Vc（Ipp 对应）：29.2 V
- 峰值脉冲电流 Ipp：13.7 A（标准 10/1000 μs 波形条件）
- 峰值脉冲功率 Ppp：400 W（10/1000 μs）
- 反向漏电流 Ir：1 μA（在 Vrwm 条件下）
- 工作温度：-65 ℃ 到 +150 ℃
三、特色与优势
- 高能量吸收：400 W（10/1000 μs）脉冲能力，能有效抑制雷击与开关浪涌。
- 低漏电：典型反向电流 1 μA，有利于低功耗系统采用。
- 宽温度范围：-65 ℃ 至 +150 ℃，适合严苛环境与高温工作场合。
- 标准封装：SMA（DO‑214AC）便于自动贴装与焊接，替换与布局方便。
四、典型应用
- 电源浪涌保护：DC 线路、开关电源输入侧保护。
- 通信接口：以太网、串口、电信设备输入端抑制脉冲。
- 汽车与工业控制：整车线路、车载电子模块、传感器接口（在符合系统规范下使用）。
- 消费电子：电视、机顶盒、电源适配器等的浪涌防护。
五、典型使用与布局建议
- 器件应并联接入被保护线与地或负极之间，尽量靠近受保护器件或连接入口位置放置以缩短环路感应。
- 注意功率耗散与热量传导，必要时在 PCB 上留出散热铜箔或增加散热路径。
- 焊接建议遵循元器件厂商的回流曲线与重量限制，避免过高温度或长时间加热以保留可靠性。
六、选型与可靠性注意
- 钳位电压 29.2 V 应与系统允许的最大工作电压匹配，确认浪涌后仍不超出被保护元件的最大耐受。
- 若系统存在重复高频脉冲或需更高吸收能量，应考虑功率更高或并联使用多只 TVS（需注意均流）。
- 在汽车或安全关键应用中，需配合系统级规范（如 ISO、AEC 等）做整套验证。
七、包装与供应信息
SMA 封装，支持卷带（TR）自动贴片供应，便于 SMT 生产线使用。详细存储、回流焊曲线及可靠性测试报告建议参考 Brightking 官方数据手册或联系供应商获取。
如需进一步的电气曲线、典型浪涌试验波形或 PCB 布局示例，可提供具体应用场景，我将依据参数给出更详尽的设计建议。
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