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RUILON SMD3225-300N SMD3225
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RUILON SMD3225-300N
- Type
- RUILON
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- RUILON
- Electronic Component
- SMD3225-300N
- Electronic Component
- 1
- Electronic Component
- 2.5mm
- Package
- 1210
- Electronic Component
- 2
- Electronic Component
- (GDT)
- Electronic Component
- ±30%
- Electronic Component
- 0.219g
- Electronic Component
- 3.2mm
- Electronic Component
- 2.5mm
- Electronic Component
- 1
- Electronic Component
- BM0241221529
- Operating Temperature
- 40℃~+85℃
- Capacitor
- 0.5pF
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMD3225-300N 产品概述
一、产品简介
SMD3225-300N（品牌：RUILON/瑞隆源，封装：1210）是一款表面贴装型两端过压/浪涌抑制器件，尺寸为3.2mm × 2.5mm × 2.5mm（对应1210/3225规格）。器件以其紧凑体积、高脉冲承受能力和超低极间电容，适合在有限空间内对敏感电路提供瞬态过压保护。
二、主要参数
- 极数：2（双端子）
- 直流击穿电压 (Vdc)：300V（器件标称直流击穿/工作电压，公差 ±30%）
- 冲击击穿电压 (Vimp)：700V
- 脉冲放电电流：1 kA（瞬态冲击能力，典型8/20μs类脉冲）
- 极间电容：0.5 pF（极低电容，有利于高速信号线的信号完整性）
- 工作温度范围：-40℃ ~ +85℃
- 尺寸（L×W×H）：3.2 × 2.5 × 2.5 mm
- 封装：1210（SMD）
三、特性与优势
- 小型化封装（1210/3225），便于高密度PCB布局与自动贴装生产；
- 高脉冲能量承受能力（1 kA），可抗短时大幅度浪涌和雷击诱发脉冲；
- 极间电容仅0.5 pF，适合对数据线、高速通信接口或对电容敏感的模拟前端进行保护而不显著影响传输特性；
- 宽工作温度覆盖一般工业级应用（-40℃至+85℃）；
- 公差±30%提供成本与性能的平衡，适用于对精度要求不是极其苛刻的保护场景。
四、典型应用场景
- 通信接口与高速信号线（因低电容特性）；
- 开关电源、直流总线和电源管理模块的浪涌保护；
- 工业控制与仪表设备的输入保护；
- 消费类电子和某些车载非高温环境下的过压保护（注意车规需确认温度/振动/寿命要求）；
- 电池管理与逆变器辅助保护（需按系统电压配合选型）。
五、设计与装配注意事项
- 在选型时务必根据系统的工作电压、最大允许关断/钳位电压以及可能遭受的脉冲类型（如8/20μs或10/1000μs）核对器件的脉冲能量参数；
- 300V直流击穿与700V冲击击穿提示该器件适合中等电压等级保护，若用于交流市电（~230VAC）或更高电压系统，需评估峰值与容差影响；
- 由于为SMD封装，建议采用常规1210回流焊工艺贴装，遵循厂家回流温度曲线与焊接时间，以保证焊点可靠性；
- 布局时应尽量缩短被保护节点与地/返回路径之间的走线，减小寄生感抗并提高保护速度与效率；
- 对于高可靠性或严苛环境应用，建议进行寿命与循环应力验证。
六、可靠性与环境适应
SMD3225-300N工作温度范围适合多数室温和工业环境，但不替代高温车规或极端环境专用器件。长期可靠性依赖于实际工作电压、脉冲频率与PCB热管理。储存与焊接应避免潮湿、过热及机械冲击，按常规电子元器件良好作业规范处理。
总结：SMD3225-300N 是一款面向空间受限电路、需兼顾低电容干扰与较强浪涌承受能力的双端表贴保护器件。选型时请结合系统电压等级、冲击波形与可靠性要求进行评估，必要时与供应商确认更详细的浪涌曲线和封装回流资料。
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