WMSIC Electronic Components

RUILON SMD0603P005TF

ModelSMD0603P005TF
Package0603
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 SMD0603P005TF
Type
RUILON
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
SMD0603P005TF
Electronic Component
1
Electronic Component
1.05mm
Package
0603
Electronic Component
Resettable Fuse
Electronic Component
0.024g
Electronic Component
1.85mm
Electronic Component
1mm
Electronic Component
1
Electronic Component
1s
Electronic Component
BM0259569913
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
15V
Power(Pd)
500mW

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

SMD0603P005TF 自恢复保险丝(RUILON 瑞隆源)产品概述

一、产品简介

SMD0603P005TF 是瑞隆源(RUILON)推出的一款贴片自恢复保险丝(Polymeric PTC),封装为0603,适用于对过流保护和短路保护有严格控制的小型电子设备。器件在过流时会迅速升温增阻,限制电流并保护电路;故障消除后冷却,阻值恢复至接近初始值,从而可以反复保护电路,省去更换保险丝的麻烦。

二、主要参数

  • 耐压 (Vmax):15 V
  • 最大电流 (Imax):20 A(脉冲/瞬态额定)
  • 保持电流 (Ihold):50 mA(典型连续允许电流)
  • 跳闸电流 (Itrip):150 mA(在指定时间内动作)
  • 消耗功率 (Pd):500 mW
  • 初始态阻值 (Rmin):3.8 Ω
  • 跳断后阻值 (R1max):≤35 Ω
  • 动作时间:1 s(典型触发时间或参考测试条件)
  • 工作温度:-40 ℃ ~ +85 ℃
  • 外形尺寸:1.85 mm × 1.05 mm × 1.00 mm(L×W×H)
  • 封装:0603,型号 SMD0603P005TF

三、特性与优势

  • 小型表贴封装,适合高密度电路板应用;
  • 自恢复特性支持多次故障后自动复位,降低维护成本;
  • 低保持电流(50 mA)适合微功耗线路和敏感模拟/数字接口保护;
  • 最大耐压 15 V,可用于常见的 5 V、12 V 供电系统(需注意额定与瞬态能力);
  • 相对较高的脉冲承受能力(Imax 20 A)适合应对短时浪涌电流。

四、典型应用

  • USB、串口、I/O 接口、传感器模块的过流保护;
  • 电池供电设备、便携产品、可穿戴设备的短路保护;
  • LED 驱动、小功率电源管理、电路板局部保护;
  • 工业控制与消费电子中的差错保护场景。

五、封装与布局注意

  • 封装为标准 0603(1.85×1.05×1.00 mm),建议按厂商推荐的 PCB 焊盘设计以保证良好焊接可靠性与热传导;
  • 回流焊温度曲线遵循常规无铅工艺,避免过长高温暴露影响聚合物材料特性;
  • 布局时应尽量减少热源邻近,以免影响动作特性和长期稳定性。

六、使用与选型建议

  • 将 Ihold 选为正常运行电流的 1.2~1.5 倍以下,保证不在正常工况下误动作;此型号 Ihold=50 mA,适合微弱电流场景;
  • 若电路存在频繁且较长时间的浪涌电流,应核对 Imax 与能量吸收能力,必要时并联或选用更高额定器件;
  • 动作时间受环境温度和安装方式影响,实际测试需在目标系统中验证 Itrip 对应的触发时间;
  • 对于关键电源路径,注意并联使用可能导致不均流现象,常用单件保护或选型更高规格。

七、可靠性与存储

  • 工作温度范围宽(-40 ~ +85 ℃),适合大多数工业与消费环境;
  • 储存应避免高温高湿和强光直射,建议按照厂商 SMD 元件存储规范(密封防潮、规定回潮处理)操作;
  • 建议在样机阶段进行温升、寿命与重复触发测试,以确认长期稳定性与复位性能。

总结:SMD0603P005TF 为一款体积微小、适用于低电流保护的自恢复保险丝,凭借其自动复位与可靠过流限制特性,适合保护微功耗接口与便携设备电路。在实际应用中应结合系统电流特性与热环境做合理选型与验证。

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