WMSIC Electronic Components

LUTE 1812L020/90GR 1812L020

Model1812L020/90GR
Package1812
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 1812L020 / 90GR
Type
LUTE
Minimum package
1500 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LUTE
Electronic Component
1812L020/90GR
Electronic Component
1
Electronic Component
3.41mm
Package
1812
Electronic Component
Resettable Fuse
Electronic Component
0.099g
Electronic Component
4.73mm
Electronic Component
2mm
Electronic Component
1
Electronic Component
40ms
Electronic Component
BM0265136077
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
90V
Power(Pd)
1W

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

1812L020/90GR 自恢复保险丝产品概述

一、产品核心身份与定位

1812L020/90GR是LUTE(陆特)品牌推出的1812贴片式自恢复过流保护器件,专为低压直流电路的过流/短路防护设计。其核心价值是:故障时快速断开阻断电流,故障排除后自动恢复导通,无需人工更换,有效降低设备维护成本与停机时间。

二、关键电气性能参数解析

产品参数经精准匹配,适配小电流低压场景,核心参数及实际意义如下:

1. 电流与耐压规格

  • 保持电流(Ihold):200mA:电路正常工作时可长期稳定承载的最大电流(选型核心参考);
  • 跳闸电流(Itrip):400mA:过流故障触发断开的最小电流(典型为Ihold的2倍,确保故障电流超200mA时及时响应);
  • 最大耐压(Vmax):90V DC:适配12V、24V、48V等低压直流系统(如车载、工业控制);
  • 最大承载电流(Imax):40A:无故障时可承受的瞬间峰值电流(非持续工作电流)。

2. 阻值与响应特性

  • 初始态最小阻值(Rmin):350mΩ:远低于普通一次性保险丝,200mA负载下仅产生0.07V压降,显著降低正常功耗;
  • 跳断后最大阻值(R1max):5Ω:故障断开后呈高阻态,有效阻断故障电流,避免元件烧毁;
  • 动作时间:40ms:过流触发后40ms内完成断开,满足手机电池、USB接口等场景的快速保护需求。

3. 功耗与温度范围

  • 最大功耗(Pd):1W:需注意电路散热设计,避免功耗累积影响性能;
  • 工作温度:-40℃~+85℃:适配户外、车载等极端环境。

三、机械封装与适配性

采用1812标准贴片封装(尺寸:4.73mm×3.41mm×1.1mm),具备以下优势:

  • 兼容自动化SMT贴装设备,提升生产效率;
  • 小尺寸适合高密度PCB布局(如智能手机、小型路由器);
  • 表面贴装结构无需额外端子,简化电路设计。

四、典型应用场景

结合参数特性,产品适用于:

  1. 消费电子:手机/平板电池保护、蓝牙耳机充电电路;
  2. 工业控制:24V传感器、PLC模块接口过流保护;
  3. 汽车电子:车载USB接口、摄像头、仪表盘小功率模块防护;
  4. 通信设备:路由器电源模块、以太网接口低压保护。

五、核心性能优势

  1. 低耗高效:350mΩ低阻减少正常工作压降,提升便携设备续航;
  2. 免维护设计:故障排除后自动恢复,无需更换元件;
  3. 宽温可靠:-40℃~+85℃范围适应极端环境;
  4. 高兼容性:1812封装适配主流产线与高密度PCB。

1812L020/90GR凭借精准参数、可靠性能,成为低压小电流电路过流保护的优选方案,广泛覆盖消费电子、工业控制、汽车电子等领域。

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