WMSIC Electronic Components

RUILON SMD0603P020TF

ModelSMD0603P020TF
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 25+

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Technical data

Product details

19 specifications

Core information

Product name
RUILON SMD0603P020TF
Type
RUILON
Minimum package
4000 个

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
SMD0603P020TF
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
600ms
Electronic Component
BM0264532681
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
9V
Power(Pd)
500mW

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

SMD0603P020TF 自恢复保险丝产品概述

SMD0603P020TF是RUILON瑞隆源推出的0603封装自恢复保险丝(PPTC),专为低电压小电流场景的过流保护设计,兼具小体积、低损耗、宽温适应性等特点,可广泛应用于便携电子、IoT模块等高密度PCB布局场景。

一、产品核心定位与典型应用

该产品属于贴片式自恢复过流保护器件,核心功能是在电路出现过流故障时快速触发阻值上升,限制电流保护负载;故障排除后自动恢复低阻状态,无需手动更换。典型应用场景包括:

  • 便携消费电子:蓝牙耳机、智能手环、智能手表的充电电路、传感器模块过流保护;
  • IoT终端:小型温湿度传感器、低功耗蓝牙模块的电源输入保护;
  • 小型电子设备:微型充电头、便携式充电宝的输出过流保护。

二、关键电气性能参数详解

产品的电气参数直接决定其保护能力,核心参数如下:

  1. 耐压与电流阈值
    最大耐压(Vmax)为9V,适用于5V、3.3V等低电压电路;常温(25℃)下保持电流(Ihold)200mA(持续不动作的最大电流),跳闸电流(Itrip)500mA(触发动作的最小电流),两者区间可有效区分正常工作电流与过流故障;最大脉冲电流(Imax)40A,可承受瞬间浪涌(如静电放电、开机脉冲)而不损坏。
  2. 阻值与功耗
    初始态最小阻值(Rmin)550mΩ,低阻值带来极小的正常工作损耗(Pd≤500mW),避免对信号或电源效率的影响;过流动作后最大阻值(R1max)3.5Ω,能有效限制后续电流至安全范围。
  3. 动作响应
    典型动作时间600ms(在Itrip电流下),平衡了保护响应速度与误动作风险——既不会因瞬间脉冲(如按键操作)误触发,又能在持续过流时快速保护负载。

三、机械封装与尺寸规格

产品采用0603封装(英制,对应公制1608),具体尺寸为:长度1.85mm、宽度1.05mm、高度1mm,完全符合贴片元件的自动化贴装标准,可兼容常规SMT产线。小体积设计适合高密度PCB布局,能显著节省设备内部空间,满足便携设备的小型化需求。

四、工作环境与可靠性说明

  1. 宽温适应性
    工作温度范围为-40℃~+85℃,覆盖工业级与消费电子的常见温区:低温场景可适应户外IoT设备(如北方冬季户外传感器),高温场景可承受充电时设备内部的温升(如智能手机充电时的电池仓温度)。
  2. 自恢复与循环寿命
    具备自恢复特性,过流故障排除后(如短路点断开、电流恢复正常),器件会在常温下数秒至数十秒内自动恢复低阻状态,无需人工更换;常规循环动作次数可达数千次,可靠性满足量产设备的长期使用需求。
  3. 环境合规性
    产品符合RoHS、REACH等环保标准,无铅无卤,适配全球市场的电子设备生产要求。

五、产品应用优势总结

SMD0603P020TF的核心优势可归纳为三点:

  • 小封装高密度:0603封装适配便携设备的小型化趋势,节省PCB空间;
  • 低损耗高灵敏度:低初始阻值降低功耗,精准的电流阈值(200mA保持/500mA跳闸)适合小电流电路保护;
  • 免维护高可靠:自恢复特性减少售后成本,宽温与循环寿命满足多场景长期使用。

该产品是低电压小电流电子设备过流保护的高性价比选择,可有效提升设备的安全性与可靠性。

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