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RUILON RL1206A180K
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RUILON RL1206A180K
- Type
- RUILON
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- RUILON
- Electronic Component
- RL1206A180K
- Electronic Component
- 1
- Package
- 1206
- Electronic Component
- Varistor Resistor
- Electronic Component
- 500mJ
- Electronic Component
- 0.04g
- Electronic Component
- 1
- Varistor Voltage
- 16.8V~21V
- Electronic Component
- BM0238775417
- Voltage
- 46V
- Operating Voltage(AC)
- 11V
- Operating Voltage(DC)
- 14V
- Surge Current
- 100A
- 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.
RL1206A180K 产品概述 — RUILON (瑞隆源)
一、产品简介
RL1206A180K 是 RUILON（瑞隆源）出品的一款 1206 封装压敏电阻（MOV），针对低压直流与交流系统的瞬态过压保护设计。标称压敏电压约为 18V（规格范围 16.8V~21V），在遭遇浪涌时能将过电压快速钳位到安全水平，钳位电压典型值约为 46V。该器件适用于空间受限的表贴应用，兼顾体积与保护能力。
二、主要电气参数
- 压敏电压（标称）：约 18V（规格范围 16.8V ~ 21V）
- 钳位电压：约 46V（在规定浪涌条件下测得）
- 工作电压（DC）：14V（最大持续工作直流电压）
- 工作电压（AC）：11V（最大持续工作交流电压，有效值）
- 峰值浪涌电流：100A（单次峰值承受能力）
- 吸收能量：约 500mJ（单次能量吸收能力）
- 封装：1206（SMD）
注：以上参数为典型/额定值，具体测试条件与测量标准请参照厂方数据手册。
三、工作原理与性能特点
- 响应速度快：压敏电阻对过压的响应基本为瞬态（纳秒级跃变），能在过压瞬间导通，限制节点电压，保护下游电路。
- 能量吸收能力适中：500mJ 的能量容量适合保护 12V 级别的电源线路、通信接口和小功率负载的瞬态浪涌。
- 小体积封装：1206 SMD 封装适合表面贴装工艺，有利于自动化生产与高密度 PCB 布局。
- 可靠性考虑：在额定条件下长期工作稳定，但在多次或超额浪涌后特性会有退化，需按规范选型与维护。
四、典型应用场景
- 汽车电子（12V 点烟器/车载电源线的瞬态抑制）
- DC-DC 转换器、开关电源输入保护
- LED 驱动电源与照明电路抗浪涌保护
- 通信接口、数据线（在配合限流保护时）防雷击/浪涌
- 电池管理系统、备用电源保护电路
五、封装与安装建议
- 尽量靠近被保护节点（如电源入口、接口处）布置，缩短引线或 PCB 路径以降低压降和寄生电感。
- 使用符合 1206 推荐焊盘尺寸的 PCB 布局，遵循厂方的回流焊温度曲线以避免热应力损伤。
- 若用于汽车或工业环境，建议在元件周围保留一定空间，避免与高温器件直接接触，利于散热与热循环可靠性。
- 对地间或线路间保护时，确保接地回路低阻抗以保证钳位效果。
六、使用与维护注意事项
- 不要在持续高于工作电压的环境下使用，长期偏置会加速器件老化。
- 多次大能量浪涌后，压敏电阻特性可能会永久改变或形成低阻短路，出现过大泄漏电流或失效，应及时更换。
- 储存与搬运时注意防潮、防机械冲击，避免在高温高湿环境中长期存放。
- 在关键可靠性设计中，可考虑并联限流或与气体放电管、TVS 等器件组合使用，实现分级保护。
如果需要，我可以根据具体应用（例如车载 12V 电源、USB 接口或 LED 驱动）提供更详细的选型建议、PCB 布局参考和老化/浪涌试验条件。
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