WMSIC Electronic Components

LUTE 1206L020/60NR 1206L020

Model1206L020/60NR
Package1206
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 1206L020 / 60NR
Type
LUTE
Minimum package
3500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LUTE
Electronic Component
1206L020/60NR
Electronic Component
1
Electronic Component
1.9mm
Package
1206
Electronic Component
Resettable Fuse
Electronic Component
0.045g
Electronic Component
3.6mm
Electronic Component
1.5mm
Electronic Component
1
Electronic Component
100ms
Electronic Component
BM0265137043
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
60V
Power(Pd)
800mW

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

1206L020/60NR 自恢复保险丝产品概述

1206L020/60NR是陆特(LUTE)推出的一款1206封装自恢复过流保护器件,专为小型化、低电压、大电流场景设计,兼具快速响应、宽温适应性与自恢复特性,可有效替代传统一次性保险丝,降低电路维护成本。

一、产品定位与核心属性

该器件属于高分子正温度系数(PPTC)自恢复保险丝,核心作用是电路过流保护——当电路出现短路、过载等异常时,快速切断电流保护后级敏感元件(如IC、电池、传感器);故障排除后自动恢复导通,无需手动更换。其定位覆盖消费电子、汽车电子、工业控制等多领域,是高密度PCB设计的优选保护器件。

二、关键电气参数深度解析

1206L020/60NR的参数设计精准匹配主流应用需求,核心参数意义如下:

  • 耐压(Vmax=60V):可承受的最大工作电压,适配12V、24V、48V等低压电路(如电池组、车载电源);
  • 保持电流(Ihold=200mA):电路持续工作电流≤200mA时,器件保持低阻导通,不影响正常功能;
  • 跳闸电流(Itrip=460mA):持续过载电流≥460mA时,器件100ms内触发保护,阻值急剧上升;
  • 最大电流(Imax=40A):可承受的瞬间浪涌电流峰值(如开机浪涌、静电放电),避免器件损坏;
  • 初始阻值(Rmin=350mΩ):正常工作时的最小阻值,压降小(如100mA电流时压降仅35mV),功率损耗低;
  • 跳闸后阻值(R1max=2.7Ω):保护状态下的最大阻值,有效限制电流至安全范围;
  • 动作时间(100ms):典型跳闸响应速度,比多数同类器件更快,及时保护敏感元件;
  • 功率损耗(Pd=800mW):正常工作时的最大允许功耗,适配低功耗电路需求。

三、封装规格与物理尺寸

该器件采用1206贴片封装,实际物理尺寸为3.6mm(长)×1.9mm(宽)×1.5mm(高),符合表面贴装工艺(SMT)要求,可与其他贴片器件兼容布局。小尺寸特性使其适合可穿戴设备、小型家电、车载模块等对空间敏感的场景,能有效优化PCB面积利用率。

四、典型应用场景

1206L020/60NR的参数与封装特性,使其在多领域具备实用价值:

  • 消费电子:智能手机/平板电池保护板(过流保护)、USB Type-C充电接口(浪涌防护)、TWS耳机充电盒(电池短路保护);
  • 汽车电子:车载LED阅读灯、胎压监测传感器、小型车载控制器(适配-40℃~+85℃宽温环境);
  • 工业控制:小型PLC输入输出端口、电机驱动辅助电路、工业传感器模块(防止短路损坏);
  • 通讯设备:路由器/交换机电源支路、光纤收发器接口(过流保护)。

五、核心技术优势

相比传统一次性保险丝及同类器件,该产品具备以下优势:

  1. 自恢复特性:故障排除后自动恢复导通,无需更换器件,降低维护成本与设备 downtime;
  2. 低损耗设计:350mΩ初始阻值,正常工作时功率损耗极小(如200mA电流时损耗仅14mW),不影响电路效率;
  3. 快速响应:100ms跳闸时间,能在敏感元件损坏前切断过载电流,提升电路可靠性;
  4. 宽温适应性:-40℃~+85℃工作范围,满足户外设备、车载等高低温场景需求;
  5. 高浪涌承载:1206小封装实现40A浪涌电流承载,适配开机、静电等瞬间大电流场景。

六、工作原理简述

该器件基于高分子正温度系数(PPTC)材料工作:

  • 正常状态:PPTC材料处于结晶态,阻值极低(350mΩ),电流无明显压降;
  • 过载保护:当电流≥460mA或温度过高时,器件发热使PPTC转变为非晶态,阻值急剧上升至2.7Ω以上,限制电流保护后级;
  • 自恢复:故障排除后,温度下降,PPTC恢复结晶态,阻值回到低阻水平,继续正常工作。

七、补充说明

1206L020/60NR符合常规过流保护器件可靠性要求,可通过RoHS等环保认证(具体以厂家最新资料为准),适合批量生产应用。其参数平衡了“保护灵敏度”与“浪涌承载能力”,是小型化电路过流保护的高性价比选择。

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