WMSIC Electronic Components

LUTE 1206L025/48NR 1206L025

Model1206L025/48NR
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 1206L025 / 48NR
Type
LUTE
Minimum package
3500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LUTE
Electronic Component
1206L025/48NR
Electronic Component
1
Electronic Component
1.9mm
Package
1206
Electronic Component
Resettable Fuse
Electronic Component
0.043g
Electronic Component
3.6mm
Electronic Component
1.3mm
Electronic Component
1
Electronic Component
100ms
Electronic Component
BM0265137039
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
48V
Power(Pd)
800mW

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

1206L025/48NR自恢复保险丝产品概述

1206L025/48NR是陆特(LUTE)品牌推出的1206封装自恢复过流保护器件,专为中小功率电路的过流/短路保护设计,兼具自恢复特性与宽环境适应性,可替代传统一次性保险丝,降低维护成本与器件选型复杂度。

一、产品规格标识与基本定位

型号命名清晰传递核心参数与定位:

  • 1206:表面贴装封装尺寸(公制约3.6mm×1.9mm×1.2mm,兼容英制1206标准);
  • L025:核心保护指标——保持电流(Ihold)为250mA(电路正常工作的最大持续电流);
  • 48N:额定耐压(Vmax)为48V(适配低中压系统的最大工作电压);
  • R:系列标识,代表“低阻型”自恢复保险丝。

该器件定位为中小功率电路的“智能保护开关”,可在过流时快速阻断电流,故障排除后自动恢复导通,无需人工更换,适配消费电子、IoT、工业控制等多场景。

二、核心电气性能参数详解

1206L025/48NR的电气参数精准匹配中小功率电路需求,关键性能如下:

  • 耐压48V:适配12V、24V、36V等主流低中压系统(如车载12V、工业48V),避免高压击穿;
  • 保持电流250mA:电路正常工作时,持续电流≤250mA可稳定导通,超过则触发保护;
  • 跳闸电流500mA:过流阈值——电流≥500mA时,器件在动作时间内快速跳断,阻断故障电流;
  • 动作时间100ms:过流响应速度快,可有效保护MCU、传感器等敏感元件(避免因过流烧毁);
  • 最大浪涌电流40A:耐受瞬时大电流冲击(如开机浪涌、静电放电),避免误触发保护;
  • 初始态阻值350mΩ:导通电阻极低,压降小(正常工作时压降≈0.0875V@250mA),不影响电路效率;
  • 跳断后阻值2.5Ω:保护状态下呈高阻态,有效限制故障电流(≤19.2mA@48V);
  • 功耗800mW:正常工作时功耗低,适配低功耗电路(如IoT传感器节点)。

三、物理特性与封装优势

1206L025/48NR采用小型化表面贴装封装,物理特性适配高密度PCB设计:

  • 尺寸紧凑:3.6mm×1.9mm×1.2mm(长×宽×高),体积仅约6.9mm³,适合手机、可穿戴设备等小型化产品;
  • 薄型设计:高度1.2mm,可兼容超薄PCB(如0.8mm板厚),适配便携设备的轻薄化需求;
  • SMD贴装兼容:符合自动化生产工艺,可通过SMT回流焊直接贴装,提高生产效率;
  • 宽温可靠性:工作温度范围-40℃~+85℃,适应低温(如车载冬季)、高温(如工业设备夏季)环境,可靠性达行业标准。

四、典型应用场景解析

1206L025/48NR的参数特性使其覆盖多领域应用:

  1. 消费电子:手机电池保护电路(250mA适配小容量电池)、无线耳机充电盒过流保护、智能手表充电模块;
  2. IoT与智能家居:温湿度传感器节点、WiFi模块、智能门锁电源保护(低功耗+宽温适应室内外);
  3. 工业控制:小型PLC输入输出端口、工业传感器(48V耐压适配工业电压)、低压变频器辅助电路;
  4. 车载电子:车载USB充电口(12V/24V适配+宽温适应车载环境)、车载摄像头电源保护;
  5. 电源适配器:5V/12V小功率适配器输出端(避免短路损坏适配器及负载)。

五、产品核心优势总结

相比传统一次性保险丝,1206L025/48NR具备以下核心优势:

  1. 自恢复免维护:故障排除后自动复位,无需更换器件,降低售后维护成本;
  2. 宽参数适配:250mA保持电流+48V耐压覆盖中小功率电路,无需多型号选型;
  3. 快速响应保护:100ms动作时间,精准保护敏感元件(如半导体器件);
  4. 小体积高密度:1206封装适配小型化设计,提高PCB空间利用率;
  5. 低损耗低功耗:350mΩ初始电阻,压降小,不影响电路性能;
  6. 宽温可靠性:-40℃~+85℃适应多场景环境,可靠性稳定。

该产品可有效解决中小功率电路的过流/短路问题,是消费电子、IoT、工业等领域的高性价比保护方案。

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