WMSIC Electronic Components

RUILON RL30-160 RL30

ModelRL30-160
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RUILON RL30-160
Type
RUILON
Minimum package
500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
RL30-160
Electronic Component
1
Package
Through-hole, P=5.1mm
Electronic Component
Resettable Fuse
Electronic Component
0.362g
Electronic Component
9.2mm
Electronic Component
1
Electronic Component
8s
Electronic Component
BM0258753256
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
30V
Power(Pd)
900mW
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.

RL30-160 产品概述

一、产品简介

RL30-160 是 RUILON(瑞隆源) 品牌的一款过流保护元件。基于提供的关键参数(耐压 30V、最大电流 40A、保持电流 1.6A、跳闸电流 3.2A、功耗 900mW、初始电阻 30mΩ、跳断后电阻 180mΩ、动作时间 8s、工作温度 -40℃~+85℃、长度 9.2mm),该器件典型地属于自恢复保险器(Polyfuse / PTC)类别,用于在过流或短路情况下限制电流并在故障解除后自动恢复。描述状态“校验通过!”表明该型号已完成必要的验证流程或样件检测。

二、主要参数(要点)

  • 额定耐压(Vmax):30V(最大工作电压上限)
  • 最大允许电流(Imax):40A(短时脉冲或峰值承受能力,应以厂方脉冲曲线为准)
  • 保持电流(Ihold):1.6A(器件在常温下可长期承载、不进入动作区的最大持续电流)
  • 跳闸电流(Itrip):3.2A(在标准试验条件下会触发显著电阻上升并限制电流)
  • 稳态功耗(Pd):900mW(器件处于稳态时的功耗参考)
  • 初始态电阻(Rmin):30mΩ(冷态低阻,保证正常工作下的压降小)
  • 跳断后电阻(R1max):180mΩ(动作后电阻明显上升,限制电流)
  • 动作时间:8s(从过流到明显动作所需时间,受电流幅值与环境温度影响)
  • 工作温度范围:-40℃~+85℃
  • 外形尺寸:长度 9.2mm(封装形式未提供,需按实际样品确认)

三、性能特性与工作原理

  • 自恢复保护:在超过 Itrip 的过流或短路事件中,器件电阻迅速上升,限制电流并把能量转化为热量;故障解除后随温度下降电阻恢复到初始值,恢复供电。
  • 低压降设计:初始电阻仅 30mΩ,适合对压降敏感的电源轨,保证在正常工作状态下损耗小。
  • 明显的动作窗口:Ihold 与 Itrip 比值(约 1:2)提供清晰的保护边界,易于设计电流裕量。
  • 热与时间相关性:动作时间 8s 为典型条件下的参考值;高于 Itrip 倍数时动作更快;环境温度升高会降低动作所需电流(温漂影响),设计时需考虑热耦合与散热条件。
  • 瞬态/冲击承受:Imax 40A 表示对短时电流冲击的承受能力,但具体允许脉冲宽度和次数应参照厂方脉冲曲线,避免反复在极限脉冲下损伤材料。

四、典型应用场景与设计建议

  • 电源分配保护:适用于 30V 以下电源总线的过流保护,尤其用于板级保护或分支电路。
  • 电池包/充电器:在电池输出或充电线路中防止反接或短路,但需注意电池短路流可能超过 Imax。
  • 外围设备与接口保护:USB 型电源接口、车载电子子系统的分支保护(前提是工作电流 ≤ Ihold)。
  • 设计建议:将正常工作电流目标控制在 Ihold 的 50%~80% 范围内(即 ≤0.8~1.28A)以保证可靠性和温升裕量;若持续工作接近 Ihold,应评估器件的温升和长期漂移。对可能出现的短时电流冲击,核对厂方冲击曲线,若冲击超过器件承受能力,考虑并联多颗或使用其他过流保护方案。

五、布局与安装注意事项

  • 尽量将器件放置在散热较好的区域,避免与高发热元件紧密耦合,降低误动作风险。
  • 焊接工艺控制:高温回流或手工焊接时要遵循厂方温度曲线,避免材料退火或封装损伤。
  • 测试环境:实际动作电流和动作时间受 PCB 热容和周围空气流动影响,评估时应在真实工作环境下量测。
  • 机械固定:长度 9.2mm,封装形态不明,设计时留足焊盘与固定空间,并确认封装尺寸与引脚间距。

六、选型与替代建议

  • 若系统峰值冲击电流频繁接近或超过 40A,应选择额定 Imax 更高或专用于高能脉冲的保护器件,或采用熔断器/断路器加速保护方案。
  • 若工作电流长期在 2A 以上,考虑选用 Ihold 更高的型号以避免频繁自恢复动作造成电阻漂移与温升。
  • 替代时重点关注:Vmax、Ihold、Itrip、Rinitial、动作时间及工作温度一致性,优先使用相同温升与脉冲特性的型号。

七、结论

RL30-160 以 30V 最大工作电压、1.6A 保持电流和 3.2A 跳闸电流定位为常见的板级自恢复过流保护元件。其低初始电阻适合对压降敏感的电路,40A 的短时承受能力为应对冲击提供一定裕度。实际应用时应结合系统最大工作电流、冲击特性与散热条件进行验证,并参考制造商完整数据手册以确认脉冲能力和封装引脚信息。“校验通过!”说明已有样件验证记录,可作为设计参考。

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