WMSIC Electronic Components

LUTE 1206L200/24NR 1206L200

Model1206L200/24NR
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 1206L200 / 24NR
Type
LUTE
Minimum package
3500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LUTE
Electronic Component
1206L200/24NR
Electronic Component
1
Electronic Component
1.9mm
Package
1206
Electronic Component
Resettable Fuse
Electronic Component
0.023g
Electronic Component
3.6mm
Electronic Component
1.6mm
Electronic Component
1
Electronic Component
1.5s
Electronic Component
BM0263555837
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
24V
Power(Pd)
1.2W

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

1206L200/24NR 自恢复保险丝产品概述

一、产品核心定位与应用场景

1206L200/24NR是陆特(LUTE)推出的1206封装自恢复过流保护器件,针对低电压(≤24V)、中等电流场景设计,核心作用是在电路过流时快速切断电流,保护后端敏感元器件(如电池、IC、传感器等),且无需手动更换——过流消失后可自动恢复导通,显著降低维护成本。

该产品适配的典型场景包括:

  • 消费电子:智能手机/平板电池保护板、TWS耳机充电盒;
  • 车载电子:12V/24V车载充电器、中控小电流电路、汽车传感器模块;
  • 工业控制:小型PLC I/O端口、低压传感器模块;
  • 通信设备:路由器、交换机电源模块。

二、关键电气参数详解

1206L200/24NR的电气参数经过精准优化,平衡了“保护及时性”与“电路兼容性”,核心参数如下:

1. 电压与电流核心参数

  • 最大耐压(Vmax):24V:稳定适配12V、24V直流/交流系统(峰值电压不超24V),不适用于36V及以上高压场景;
  • 最大工作电流(Imax):40A:常温(25℃)下持续工作的最大电流,高温环境需按陆特降额曲线调整;
  • 保持电流(Ihold):2A:电路正常工作时,保险丝保持低阻状态的最大电流(电流稳定≤2A时不动作);
  • 跳闸电流(Itrip):3.5A:过流触发的最小电流(电流≥3.5A时,1.5秒内跳断);
  • 动作时间:1.5s:过流到切断电流的响应时间,可过滤瞬间浪涌(如开机冲击),避免误触发。

2. 电阻与功率特性

  • 初始态最小阻值(Rmin):15mΩ:正常导通时电阻极低,2A电流下仅产生30mV压降,几乎不影响电路效率;
  • 跳断后最大阻值(R1max):80mΩ:跳断后保持低阻,避免电路完全开路导致的其他风险;
  • 最大消耗功率(Pd):1.2W:正常工作时功耗可忽略,跳断瞬间功耗受控,不损伤自身或周边器件。

3. 环境适应性

  • 工作温度范围:-40℃~+85℃:覆盖车载、户外等 harsh 环境(如北方冬季低温、车内高温),无需额外温控措施。

三、封装与物理特性

1206L200/24NR采用1206贴片封装(英制尺寸),具体物理参数:

  • 长度:3.6mm;宽度:1.9mm;高度:1.6mm

封装优势:

  1. 体积小巧:节省PCB空间,适配便携设备(如手机、智能手环)的小型化需求;
  2. 贴片式设计:支持SMT自动化焊接,生产效率高,降低人工成本;
  3. 可靠性高:封装紧凑,耐机械振动、冲击,适合车载等振动环境。

四、产品性能优势

  1. 低阻低耗,不影响电路效率:初始15mΩ电阻远低于传统保险丝,电池供电设备中可延长续航;
  2. 自恢复免维护:过流消失后(电路断电或电流降至2A以下)自动恢复导通,无需更换,减少售后成本;
  3. 宽温稳定:-40~85℃宽温范围,车载、户外等场景无需降额使用(常温下);
  4. 精准动作:保持电流(2A)与跳闸电流(3.5A)差值合理,过滤浪涌,仅在持续过流时动作;
  5. 品牌可靠:陆特(LUTE)专业保护器件厂商,产品一致性高,批次差异小,适合批量生产。

五、选型与使用注意事项

1. 选型匹配原则

  • 保持电流(Ihold)需大于电路正常最大工作电流(如电路正常1.8A,选2A保持电流的该产品);
  • 跳闸电流(Itrip)需小于电路允许的最大过流(如电路最大承受4A,选3.5A跳闸的该产品);
  • 耐压(Vmax)需大于电路工作电压(12V/24V系统适用,36V以上换更高耐压型号)。

2. 焊接与安装

  • 回流焊峰值温度≤260℃,焊接时间≤10秒(避免热损伤);
  • 手工焊接烙铁头温度≤300℃,防止封装变形。

3. 环境与降额

  • 高温(>85℃)按 datasheet 降额(如85℃时Imax降额至35A);
  • 避免靠近发热器件(如功率电阻),防止局部温度过高。

4. 恢复条件

跳断后需电流降至2A以下(或断电)才能恢复,恢复时间5~30秒(取决于散热)。

六、总结

1206L200/24NR是一款针对低电压中等电流场景优化的自恢复保险丝,凭借低阻低耗、宽温稳定、自恢复免维护等优势,成为消费电子、车载、工业等领域的理想过流保护方案。其1206封装小巧,适配自动化生产,可有效提升电路可靠性,降低产品售后成本。

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