WMSIC Electronic Components

LUTE 0603L050/30AR 0603L050

Model0603L050/30AR
Package0603
BrandLUTE
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
LUTE 0603L050 / 30AR
Type
LUTE
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LUTE
Electronic Component
0603L050/30AR
Electronic Component
1
Electronic Component
1.05mm
Package
0603
Electronic Component
Resettable Fuse
Electronic Component
0.03g
Electronic Component
1.85mm
Electronic Component
1.15mm
Electronic Component
1
Electronic Component
150ms
Electronic Component
BM0265137045
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
30V
Power(Pd)
800mW

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

0603L050/30AR 自恢复保险丝产品概述

0603L050/30AR是陆特(LUTE)品牌推出的0603封装自恢复过流保护器件,专为低压小电流电路的过流防护设计,兼具小型化、低功耗、快速响应及自恢复特性,适配消费电子、汽车电子、工业控制等多领域应用需求。

一、产品核心特性

该器件基于聚合物正温度系数(PPTC)材料技术,核心特性突出:

  1. 低初始电阻:常温下初始阻值最小仅100mΩ,大幅降低电路正常工作时的功耗损耗,不影响信号完整性;
  2. 快速动作响应:过流触发动作时间典型值150ms,可快速切断故障电流,保护后端敏感器件;
  3. 宽温适应性:工作温度范围覆盖-40℃至+85℃,满足极端环境下的稳定工作;
  4. 自恢复免维护:故障排除后自动恢复低阻状态,无需手动更换或重置,降低系统维护成本;
  5. 小型化封装:采用0603贴片封装,体积紧凑(1.6mm×0.8mm),适配电子设备小型化趋势。

二、关键参数详解

参数名称 典型值/最大值 技术意义 最大耐压(Vmax) 30V 电路正常工作及过流保护时的最高耐受电压,适配12V、24V等低压系统 最大电流(Imax) 40A 短时间内可承受的峰值电流(非持续工作电流) 保持电流(Ihold) 500mA 常温(25℃)下持续工作不动作的最大电流,选型需保证电路正常电流≤此值 跳闸电流(Itrip) 1A 常温下触发保护动作的最小电流,故障电流需≥此值以确保有效保护 消耗功率(Pd) 800mW 正常工作时的最大功耗,低功耗设计对电池供电设备尤为友好 初始阻值(Rmin) 100mΩ 常温下未动作时的最小电阻,低阻保证信号无明显衰减 跳断后阻值(R1max) 880mΩ 过流动作后处于高阻态的最大电阻,有效限制故障电流进一步增大 动作时间 150ms(典型值) 过流触发到器件进入高阻态的时间,快速响应提升保护可靠性

三、封装与尺寸说明

0603L050/30AR采用0603英制贴片封装,对应公制尺寸为1.6mm(长)×0.8mm(宽)×0.5mm(厚),符合IPC标准封装尺寸。该封装具备以下优势:

  • 适配自动化表面贴装工艺(SMT),可通过回流焊、波峰焊实现高效生产;
  • 体积仅为传统保险丝的1/5左右,满足便携式设备(如手机、蓝牙耳机)的小型化需求;
  • 引脚间距合理,焊接可靠性高,长期使用无虚焊风险。

四、典型应用场景

结合参数特性,该器件主要应用于低压小电流电路的过流防护,典型场景包括:

  1. 消费电子:智能手机、平板电脑、智能手表的电池保护电路(BMS)、USB充电端口防护;
  2. 汽车电子:车载USB充电口、仪表盘传感器、小功率LED照明模块的过流保护;
  3. 工业控制:PLC输入输出模块、小型传感器节点、低压直流电机的过流防护;
  4. 通讯设备:路由器、交换机的以太网端口、无线模块的过流保护;
  5. 物联网设备:智能门锁、环境传感器等低功耗终端的过流防护。

五、选型与应用注意事项

  1. 选型原则:

    • 电路正常工作电流≤保持电流(500mA);
    • 故障电流≥跳闸电流(1A);
    • 工作电压≤最大耐压(30V);
    • 环境温度需在-40℃~+85℃范围内。
  2. 应用要点:

    • 避免并联使用:并联会降低整体保持电流,影响保护效果;
    • 焊接规范:回流焊温度不超过260℃(持续时间≤10s),波峰焊温度不超过245℃(持续时间≤5s);
    • 安装位置:尽量靠近被保护器件,减少线路阻抗对保护的影响;
    • 故障恢复:过流触发后,需待故障排除、器件冷却至常温后自动恢复,无需手动干预。

六、可靠性与环境适应性

该器件符合RoHS、REACH等环保认证要求,无铅无卤,适配绿色制造需求;多次过流动作后性能衰减小,可重复使用数千次以上;宽温范围覆盖汽车级(-40℃~+85℃)和工业级环境,满足极端工况下的稳定防护。

总结:0603L050/30AR以其小型化、低功耗、快速响应及宽温适应性,成为低压小电流电路过流保护的优选器件,可有效提升电子设备的可靠性与安全性。

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