WMSIC Electronic Components

LUTE 1206L050/30NR 1206L050

Model1206L050/30NR
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 1206L050 / 30NR
Type
1206
Minimum package
3500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LUTE
Electronic Component
1206L050/30NR
Electronic Component
1
Electronic Component
1.9mm
Package
1206
Electronic Component
Resettable Fuse
Electronic Component
0.042g
Electronic Component
3.6mm
Electronic Component
1.2mm
Electronic Component
1
Electronic Component
100ms
Electronic Component
BM0265137030
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
30V
Power(Pd)
1W

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

1206L050/30NR 贴片自恢复过流保护器产品概述

一、产品定位与核心功能

LUTE(陆特)1206L050/30NR是一款专为低电压中等电流场景设计的贴片式自恢复过流保护器件,属于聚合物正温度系数(PPTC)类型。核心功能是在电路出现过流(短路、过载)时快速切断电流,故障排除后自动复位导通,无需手动更换保险丝,可有效保护电池、IC、LED等敏感元器件免受热损伤,兼顾可靠性与维护便捷性。

二、关键电气参数深度解析

该器件参数针对小型电子设备的实际需求优化,核心参数设计逻辑清晰:

  1. 耐压与浪涌耐受:最大耐压Vmax=30V,覆盖5V/12V/24V主流低电压系统;最大峰值电流Imax=40A,可承受ms级瞬时浪涌(如电源启动冲击),避免误动作。
  2. 动作阈值匹配:保持电流Ihold=500mA(正常工作电流上限),跳闸电流Itrip=1A(故障触发下限),差值合理——既保证日常工作稳定(如蓝牙耳机300mA以内电流无动作),又能快速响应短路(电流超1A时触发)。
  3. 响应与功耗:动作时间≤100ms,远快于普通一次性保险丝(ms~s级),可抑制过流对元器件的瞬间损伤;最大功耗Pd=1W,正常工作发热可控,无需额外散热。
  4. 阻值特性:初始态最小阻值Rmin=150mΩ,导通损耗极低(500mA电流下仅0.0375W),不影响信号完整性;跳断后R1max=850mΩ,可限制故障电流,降低二次风险。
  5. 温区适应性:-40℃~+85℃工作范围,满足工业级(户外设备)与消费电子(车载辅助电路)的宽温需求。

三、封装与物理特性

采用标准1206贴片封装(英制尺寸),实际物理尺寸为长3.6mm×宽1.9mm×高1mm,兼容主流SMT自动贴片机,适合高密度PCB布局(如智能穿戴、移动电源)。小型化设计既节省空间,又降低产品体积与重量,适配便携设备的轻薄化趋势。

四、性能优势对比

相较于传统一次性保险丝及同类PPTC器件,该产品具备显著优势:

  1. 自恢复免维护:故障排除后自动复位,无需人工更换,降低售后成本;
  2. 低损耗高可靠:初始阻值150mΩ(低于同类产品20%以上),导通损耗更小;
  3. 快速响应保护:100ms动作时间,比普通保险丝快5~10倍,避免元器件烧毁;
  4. 宽温环境适配:-40℃+85℃范围,优于消费级器件(0℃+70℃),适应复杂场景;
  5. 抗浪涌能力强:40A峰值耐受,可应对电源启动、静电放电等瞬时冲击。

五、典型应用与注意事项

5.1 核心应用场景

  • 移动电源/充电宝:保护输出端,防止短路/过载损坏电池与充电IC;
  • 智能穿戴:蓝牙耳机、智能手表的电池与传感器保护;
  • USB接口:Type-C/A接口过流保护,避免连接时短路风险;
  • 小型LED照明:LED模组驱动电路保护,防止过流烧毁;
  • 便携式医疗设备:体温计、血糖仪的电源与信号电路保护;
  • 智能家居传感器:温湿度、人体感应传感器的供电保护。

5.2 应用注意事项

  • 电路正常电流需≤500mA,避免长期过载老化;
  • 高温环境(>60℃)需适当降额(参考器件降额曲线);
  • PCB布局预留≥1mm空间,避免局部过热;
  • 避免高湿度、腐蚀性气体环境,必要时增加防护。

六、总结

LUTE 1206L050/30NR是一款性能均衡的自恢复过流保护器,凭借低阻值、快速响应、宽温适应、小型化封装等优势,完美适配低电压中等电流的电子设备保护需求,是消费电子、智能家居、便携式设备领域的高性价比选择。

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