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RUILON RL30-800 RL30
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RUILON RL30-800
- Type
- RUILON
- Minimum package
- 200 个
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- RUILON
- Electronic Component
- RL30-800
- Electronic Component
- 1
- Package
- Through-hole
- Electronic Component
- Resettable Fuse
- Electronic Component
- 1.892g
- Electronic Component
- 23.5mm
- Electronic Component
- 1
- Electronic Component
- 18.8s
- Electronic Component
- BM0257667354
- Operating Temperature
- 40℃~+85℃
- Voltage Rating(Vmax)
- 30V
- Power(Pd)
- 4W
- Current(Imax)
- 40A
- 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.
RL30-800 产品概述
一、产品简介
RL30-800 是 RUILON（瑞隆源）推出的一款插件式过流保护元件，适用于 30V 额定耐压内的高电流保护场合。该器件通过明确的保持电流和跳闸电流参数，在日常持续负载与短时过载之间提供可靠区分，便于在电源系统和负载侧实现稳定保护。产品已校验通过，适合工业与商用设备的短路/过流防护需求。
二、主要性能参数
- 耐压（Vmax）：30 V
- 最大电流（Imax）：40 A（器件允许的最高瞬时或极限值，避免长期工作在该值）
- 保持电流（Ihold）：8 A（允许长期稳定通过的电流）
- 跳闸电流（Itrip）：16 A（触发器件动作的过流门限）
- 消耗功率（Pd）：4 W（标称功耗，用于热设计参考）
- 初始态阻值（Rmin）：5 mΩ（常态下低阻抗，保证系统效率）
- 跳断后阻值（R1max）：180 mΩ（动作或跳闸后显著升阻以限制电流）
- 动作时间：18.8 s（在规定过流条件下的典型动作时间）
- 工作温度：-40 ℃ ~ +85 ℃
- 长度：23.5 mm
- 封装：插件（通孔安装，便于维修更换）
三、工作原理与性能表现
RL30-800 在正常工作时维持极低的接触与串联电阻（Rmin ≈ 5 mΩ），对电路影响最小。当电流超过 Itrip（16 A）并持续达到触发能量时，器件在约 18.8 秒内动作，内部阻值大幅上升至不超过 180 mΩ，从而迅速限制通过电流，保护上游电源和下游负载。Pd = 4 W 提示在设计散热与布局时要考虑热量积累与导热路径。
四、典型应用场景
- 开关电源与直流配电保护
- 电池管理与充放电保护（如储能、UPS）
- 工业控制与驱动电路的输入侧保护
- 汽车电子低压电路（在符合电压与温度范围内）
- 通信设备与服务器电源防护
五、安装与使用建议
- 插件封装需确保焊点牢固，推荐使用合适的焊锡量和回流/手工焊接规范以保证可靠接触。
- 留足周边散热空间，避免与发热元件紧贴；在高功率或高占空比场景下考虑增加散热铜箔或靠近散热体。
- 系统设计时按环境温度做必要的电流降额处理，防止在高温下长期接近 Ihold。
- 在可能发生短路的负载侧配合熔断或其他保护逻辑使用，以提高整体系统安全性。
六、选型与安全注意事项
- 若工作电流长期高于 8 A，应选型时预留裕量，避免器件频繁处于临界状态。
- 遇到反复动作或异常升温，检查外部故障原因并更换器件，避免复用已损伤元件。
- 对于需要通过认证或更严格安全等级的应用，请在最终设计中核查相应认证资料与测试报告。
七、总结
RL30-800 以其低初始阻抗、明确的保持/跳闸门限和通过式插件封装，适合多种需要过流限流保护的电源与负载场景。合理的热设计与正确的选型使用能够发挥其稳定可靠的保护功能，为系统增加一层高效的电流防护保障。
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