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RUILON RL1206A240K
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RUILON RL1206A240K
- Type
- 1206
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- RUILON
- Electronic Component
- RL1206A240K
- Electronic Component
- 1
- Package
- 1206
- Electronic Component
- Varistor Resistor
- Electronic Component
- 500mJ
- Electronic Component
- 0.053g
- Electronic Component
- 1
- Varistor Voltage
- 21.6V~27V
- Electronic Component
- BM0246652115
- Voltage
- 59V
- Operating Voltage(AC)
- 14V
- Operating Voltage(DC)
- 18V
- 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.
RL1206A240K 产品概述
RL1206A240K 是 RUILON（瑞隆源）推出的一款 1206 封装压敏电阻（MOV），用于对低压电源与信号线路的瞬态过电压进行吸收与钳制，保护下游器件免受浪涌与脉冲干扰。该型号在体积小、安装方便的同时具备较高的瞬态能量吸收能力，适合消费类与工业类电路板的防护设计。
一、主要性能参数
- 压敏电压：21.6V ~ 27V
- 钳位电压（浪涌时）：59V
- 工作电压（DC）：18V
- 工作电压（AC）：14V（有效值）
- 峰值浪涌电流：100A
- 能量吸收能力：500 mJ
- 封装：1206（SMD）
- 品牌：RUILON（瑞隆源）
二、工作原理与保护特性
压敏电阻在正常工作电压下呈高阻状态；当瞬态电压超过其压敏阈值（21.6V~27V）时，其阻值迅速下降，将过量能量转化为热并钳制电压至约 59V，从而限制瞬态幅值并保护后端元件。该器件设计用于短时脉冲吸收，不宜作为连续能量耗散元件长期使用。
三、典型应用场景
- 汽车电子（12V 辅助线路、车载模块输入保护）
- 工业控制与仪表的电源输入防护
- 家用电器与适配器的外围浪涌保护
- 通信与消费电子设备的电源线与接口保护（需注意钳位电压匹配）
四、选型与使用建议
- 连续工作电压不应超过额定工作电压（DC 18V），推荐用于 12V 及以下的直流系统；不建议直接用于典型 24V 系统。
- 根据系统允许的最大钳位电压确认保护效果：在峰值浪涌时钳位至 59V，需确保被保护器件可承受该电压短时脉冲或配合后级限流元件。
- 若需更高能量吸收或更低钳位，应考虑更大尺寸或并联/串联组合方案，但并联需注意分流均衡。
- 对于敏感数据信号线，如需低钳位与低电容解决方案，可能需使用气体放电管或 TVS 二极管作为补充。
五、封装与安装注意
- 1206 SMD 小型封装适合自动贴装与回流焊工艺，建议遵循标准回流温度曲线并避免多次高温重流。
- 布局时尽量将压敏电阻靠近需保护的输入端或连接器，焊盘到器件引脚距离最短以降低寄生电感。
- 由于吸收能量会产生热量，避免将压敏电阻放置在通风极差或热敏元件旁；大幅度连续浪涌后需检查器件状态并更换。
六、可靠性与测试建议
- 在设计中应预留安全裕度，进行典型浪涌（脉冲）测试以验证钳位与能量吸收性能。
- 关注长期老化与重复浪涌后的压敏特性变化，必要时做温升与寿命评估。
- 储存时注意防潮、防静电，出厂卷装便于生产线自动化装配。
总结：RL1206A240K 以其小巧 1206 外形和 100A 峰值浪涌能力、500mJ 能量吸收，适合用于 12V 级别电源及外围保护场景。选型时请参考工作电压、钳位电压与被保护电路的耐受能力，合理布置与热管理以获得可靠的过压保护效果。
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