WMSIC Electronic Components

LUTE 0603L050/24AR 0603L050

Model0603L050/24AR
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
LUTE 0603L050 / 24AR
Type
LUTE
Minimum package
4000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
LUTE
Electronic Component
0603L050/24AR
Electronic Component
1
Electronic Component
1.05mm
Package
0603
Electronic Component
Resettable Fuse
Electronic Component
0.056g
Electronic Component
1.85mm
Electronic Component
1.15mm
Electronic Component
1
Electronic Component
150ms
Electronic Component
BM0264548617
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
24V
Power(Pd)
800mW

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

0603L050/24AR 产品概述

一、产品简介

0603L050/24AR 是 LUTE(陆特)推出的一款超小型过流/过温保护器件,采用标准 0603 封装(1.85 × 1.05 × 1.15 mm),专为 USB 端口与小型便携设备的保护需求设计。该器件在正常工作时具有很低的串联电阻,在发生异常过流或过温时能够在短时间内动作限制电流,从而保护下游电路免受损害。

主要参数一览:

  • 耐压(Vmax):24 V
  • 最大电流(Imax):40 A(峰值冲击能力)
  • 保持电流(Ihold):0.5 A
  • 跳闸电流(Itrip):1 A
  • 功耗(Pd):800 mW
  • 初始态阻值(Rmin):100 mΩ
  • 跳断后阻值(R1max):850 mΩ
  • 动作时间:150 ms
  • 工作温度:-40 ℃ ~ +85 ℃
  • 封装:0603(长度 1.85 mm,宽度 1.05 mm,高度 1.15 mm)
  • 品牌:LUTE(陆特)

二、主要特性

  • 小尺寸:标准 0603 封装,占用 PCB 面积极小,便于高密度布局。
  • 高电压/大电流承受能力:支持最高 24V 工作电压与 40A 峰值冲击电流,适合瞬态浪涌场景。
  • 精准保护:保持电流 500 mA、跳闸电流 1 A 的设定适配常见 USB 接口与移动设备的过流保护需求。
  • 重复保护能力强:多次动作后阻值变化率低,保证长期可靠性与稳定性。
  • 快速响应:典型动作时间约 150 ms,可以在短时间内抑制异常电流扩散。
  • 宽温度范围:-40 ℃ ~ +85 ℃,满足多数消费电子与工业环境要求。

三、典型应用场景

  • USB-A / USB-C 接口过流、过温保护
  • 移动电源与充电器的端口保护
  • 平板、智能手机、蓝牙设备和可穿戴设备的输入保护
  • IoT 终端、电源管理模块与小型嵌入式系统保护电路

四、性能与可靠性说明

  • 初始低阻值(约 100 mΩ)保证正常传输时的能量损耗小、发热低。
  • 跳闸后阻值上升,但控制在 ≤850 mΩ,从而有效限制持续故障电流并促使系统进入保护状态。
  • 最大功耗 800 mW 意味着在设计布局时需注意散热与 PCB 铜箔面积,以免长时间接近额定功耗导致过热。
  • 芯片支持多次动作后仍保持良好一致性,适合需要长期可靠防护的应用场合。

五、设计与使用建议

  • 布局:建议将器件靠近需保护的接口或电源输入处布局,以缩短保护路径和降低寄生电感电阻。
  • 焊接:采用标准 SMT 回流焊工艺,遵循制造商提供的回流曲线以保证焊接可靠性。
  • 热管理:在高电流或长时间工作场景,应增大周围铜箔面积以改善散热,避免器件在高温下持续工作。
  • 测试验证:在产品验证阶段,应进行插拔冲击、短路与高温老化测试,确认器件在目标应用中的动作特性与重复性。
  • 选型注意:若应用存在高于 24V 的工况或需更高持续电流时,应选用更高规格的器件。

六、结语

0603L050/24AR 结合了超小尺寸与较高的电流与电压承受能力,非常适合现代便携与消费类电子的接口保护需求。凭借低初始阻值、可重复动作与受控跳闸后阻值,该器件能在保证信号与能量传输效率的同时,为系统提供可靠的过流过温防护。选用时请结合实际应用的电流波形、工作温度与散热条件进行综合评估,并参考 LUTE 提供的详细技术规格与应用指南。

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