WMSIC Electronic Components

RUILON RL60-090 RL60

ModelRL60-090
PackageThrough-hole, P=5.1mm
BrandRUILON
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RUILON RL60-090
Type
RUILON
Minimum package
1000 袋

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
RL60-090
Electronic Component
1
Package
Through-hole, P=5.1mm
Electronic Component
Resettable Fuse
Electronic Component
0.265g
Electronic Component
1
Electronic Component
7.2s
Electronic Component
BM0264889182
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
60V
Power(Pd)
1W
Current(Imax)
40A
Electronic Component
Electronic Component
Electronic Component
1000

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

瑞隆源RL60-090自恢复保险丝产品概述

RL60-090是RUILON(瑞隆源)推出的聚合物正温度系数(PTC)自恢复保险丝,专为中低压、中等电流电路的过流保护设计。其贴片式封装适配自动化生产,宽温工作范围与精准动作阈值,使其在消费电子、工业控制等领域具备实用价值。

一、核心参数与性能规格

RL60-090的参数围绕过流保护核心需求设计,关键指标如下:

  • 电气耐压:最大耐压(Vmax)60V,覆盖12V、24V、48V等中低压直流电路,避免高压击穿;
  • 电流特性:保持电流(Ihold)900mA(电路正常工作的最大稳定电流),跳闸电流(Itrip)1.8A(触发保护的最小电流),两者呈2倍关系,动作阈值精准;最大耐受电流(Imax)40A(脉冲电流,可承受短时大电流冲击);
  • 电阻特性:初始态最小阻值(Rmin)140mΩ,导通损耗极低,不影响电路正常功耗;跳断后最大阻值(R1max)490mΩ,故障时有效限流,保护后随温度下降恢复低阻;
  • 时间与功率:动作时间7.2s(特定过流条件下),避免瞬间浪涌误触发;最大耗散功率(Pd)1W,限制持续工作发热;
  • 环境适应性:工作温度-40℃~+85℃,适应低温户外与高温设备内部场景;
  • 封装形态:贴片式(D11.7X3MM),直径11.7mm、厚度3mm,适配常规PCB焊盘,便于自动化贴装。

二、典型应用场景

结合参数特性,RL60-090的核心应用集中在中低压、中等电流的过流保护,具体包括:

  1. 消费电子:便携式设备(平板、移动电源)的电池过充/过放保护(12V/1A以内电池组)、智能音箱/路由器的电源模块保护;
  2. 工业控制:小型PLC的IO口供电保护、48V直流传感器的电源回路保护、微型泵/电机的过载保护(堵转时电流超1.8A触发);
  3. 通信设备:交换机/路由器的24V电源支路保护、基站辅助模块的过流防护;
  4. 汽车电子:车载USB充电口、小功率LED照明的过流保护(符合宽温需求)。

三、工作原理与产品优势

工作原理

RL60-090采用聚合物PTC复合材料,电阻随温度呈正系数变化:

  • 正常状态:常温下电阻低(140mΩ),电流顺利通过,不影响电路;
  • 过流触发:电流超1.8A时,焦耳热使PTC升温,电阻急剧增大(达490mΩ以上),限制电流至安全范围;
  • 故障恢复:短路解除后,温度下降,电阻恢复低阻,无需更换即可重新工作。

产品优势

  1. 自恢复特性:无需手动换保险丝,降低维护成本与停机时间;
  2. 低导通损耗:140mΩ初始阻值,避免额外功耗,适合效率敏感电路;
  3. 宽温可靠:-40~85℃适应恶劣环境;
  4. 精准动作:Ihold与Itrip的2倍关系,减少误触发(浪涌)与不动作(真实过流)风险;
  5. 贴片适配:体积小巧,便于高密度PCB设计。

四、选型与使用注意事项

选型要点

  • 电路正常电流≤900mA(Ihold),避免长期过流误动作;
  • 过流电流≥1.8A(Itrip),确保故障触发保护;
  • 电路电压≤60V(Vmax),防止高压击穿;
  • 高温(85℃)下Ihold略有下降(约0.7~0.8A),需降额选型。

使用注意事项

  1. 焊接规范:回流焊温度≤260℃(参考厂家 datasheet),避免高温损坏;
  2. 安装位置:远离热源(如功率元件),防止误触发;
  3. 散热空间:持续过流会发热,需预留散热区域;
  4. 恢复时间:故障排除后,需冷却10~30秒再通电,避免立即高阻。

五、总结

RL60-090是一款性价比突出的PTC自恢复保险丝,凭借低阻、宽温、自恢复等优势,精准匹配中低压中等电流电路的过流保护需求。其在多领域的可靠应用,为设备提供有效防护,同时降低维护成本,是实用的过流保护解决方案。

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