WMSIC Electronic Components

LUTE 0603L010/33XR 0603L010

Model0603L010/33XR
Package0603
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
LUTE 0603L010 / 33XR
Type
LUTE
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LUTE
Electronic Component
0603L010/33XR
Electronic Component
1
Electronic Component
1.05mm
Package
0603
Electronic Component
Resettable Fuse
Electronic Component
0.039g
Electronic Component
1.85mm
Electronic Component
1mm
Electronic Component
1
Electronic Component
600ms
Electronic Component
BM0265137029
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
33V
Power(Pd)
500mW

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

0603L010/33XR 自恢复保险丝产品概述

0603L010/33XR是陆特(LUTE)品牌推出的小型化自恢复过流保护器件,采用0603封装,针对低压小电流电路的过流防护需求设计,具备精准动作、低损耗、自恢复等核心优势,广泛适配便携电子、智能穿戴等高密度集成场景。

一、产品核心定位与技术属性

该产品属于聚合物自恢复保险丝(PPTC)范畴,核心作用是在电路出现过流(如短路、过载)时快速阻断电流,保护后端敏感元器件(如电池、IC、传感器);故障排除后自动恢复导通,无需人工更换,有效降低维护成本与产品返修率。其技术定位聚焦低压(≤33V)、小电流(≤100mA常态) 场景,兼顾防护可靠性与电路兼容性。

二、关键电气参数深度解析

产品的核心性能由以下关键参数定义,需结合应用场景精准匹配:

参数名称 数值 技术意义 最大耐压(Vmax) 33V 电路正常工作/过流状态下可承受的最高电压,超过则可能击穿损坏 最大脉冲电流(Imax) 40A 瞬间(微秒级)可承受的浪涌电流极限,避免雷击、静电等脉冲损坏 保持电流(Ihold) 100mA 常态下稳定导通的最大电流,电路工作电流需≤Ihold,否则误触发保护 跳闸电流(Itrip) 300mA 触发保护动作的最小电流,电流≥Itrip时,600ms内跳断,阻断过流 最大功耗(Pd) 500mW 常态下的最大允许功耗,对应小阻值设计,降低电路发热与损耗 初始导通电阻(Rmin) 900mΩ 常态下的最小电阻,低阻值可减少电压降与功率损耗,不影响电路正常性能 跳断后阻值(R1max) 8Ω 保护动作后处于高阻态的最大阻值,有效阻断电流,保护后端器件 动作时间 600ms 在Itrip电流下从过流到跳断的时间,平衡防护灵敏度与误触发风险(如瞬间脉冲不触发) 工作温度范围 -40℃~+85℃ 宽温设计,适应低温环境(如北方户外)与高温环境(如便携设备内部发热)

三、封装与物理特性

该产品采用0603封装(英制尺寸,对应公制1608),实际物理尺寸为:

  • 长度:1.85mm
  • 宽度:1.05mm
  • 高度:1mm

超小型封装优势明显:

  1. 适配高密度PCB设计(如智能手表、TWS耳机的紧凑电路);
  2. 减少电路占位面积,提升产品集成度;
  3. 表面贴装工艺兼容,适合自动化批量生产。

四、核心性能优势

  1. 低损耗高兼容:初始导通电阻仅900mΩ,常态下电压降极小(如100mA电流时电压降仅0.09V),不影响电路信号传输与功率输出;
  2. 精准防护无误触:Ihold=100mA、Itrip=300mA的电流差设计,避免瞬间脉冲(如开机浪涌)触发保护,同时确保过流时快速动作;
  3. 自恢复免维护:跳断后无需更换,故障排除(如短路解除)后1-2分钟内自动恢复导通,降低产品售后成本;
  4. 宽温与高耐压:33V耐压覆盖多数低压电路(如5V/12V),-40℃~+85℃宽温适应 harsh环境;
  5. 高可靠性:聚合物材料稳定性强,多次循环动作后性能无明显衰减,寿命远超一次性保险丝。

五、典型应用场景

该产品主要适用于低压小电流、高密度集成的电子设备,典型场景包括:

  1. 智能穿戴:智能手表、手环的电池充电电路、传感器模块保护;
  2. 便携音频:TWS蓝牙耳机、颈挂式耳机的电池输出、充电接口保护;
  3. 小型消费电子:智能音箱、遥控器、无线充电器的电源电路防护;
  4. 工业控制:小型传感器节点、PLC输入输出模块的过流保护;
  5. 车载小部件:车载USB接口、氛围灯、小功率LED照明的低温区防护(适配-40℃环境)。

六、使用注意事项

为确保防护效果与产品寿命,需注意以下要点:

  1. 串联安装:必须串联在被保护电路的正极或负极,不能并联(并联会短路保护功能);
  2. 电流匹配:电路常态工作电流需≤100mA,否则会导致持续发热甚至误触发;
  3. 电压限制:电路工作电压需≤33V,避免耐压不足击穿;
  4. 散热设计:高密度PCB中需预留散热空间,避免周围温度超过85℃;
  5. 脉冲限制:瞬间脉冲电流不超过40A,否则可能损坏聚合物材料。

综上,0603L010/33XR凭借小型化、低损耗、精准防护与自恢复特性,成为低压小电流电路过流保护的优选器件,适配多种高密度集成场景的可靠性需求。

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