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Taiwan Lu Hai SMD0805-010-24V SMD0805
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- SMD0805-010-24V
- Type
- Taiwan Luhai
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- SMD0805-010-24V
- Electronic Component
- 1
- Package
- 0805
- Electronic Component
- Resettable Fuse
- Electronic Component
- 0.024g
- Electronic Component
- 1
- Electronic Component
- 1.5s
- Electronic Component
- BM0230810558
- Operating Temperature
- 40℃~+85℃
- Voltage Rating(Vmax)
- 24V
- Power(Pd)
- 500mW
- Current(Imax)
- 100A
- Electronic Component
- Electronic Component
- Electronic Component
- 5000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMD0805-010-24V 自恢复保险丝（台湾陆海）
一、产品简介
SMD0805-010-24V 为台湾陆海（Luhai）出品的0805封装自恢复保险丝（PTC），额定保持电流为0.1A（100mA），最大工作耐压24V。该元件在短路或过流时自动进入高阻限流状态，故障消除后可自行恢复到低阻态，适合用于小型化表贴电子产品的过流保护。
二、主要技术参数
- 耐压（Vmax）：24V
- 最大瞬态电流（Imax）：100A（用于短时冲击）
- 保持电流（Ihold）：100mA
- 跳闸电流（Itrip）：300mA
- 消耗功率（Pd）：500mW（稳态功耗指标）
- 初始态阻值（Rmin）：1Ω
- 跳断后阻值（R1max）：6Ω
- 动作时间：约1.5s（标准测试条件下）
- 工作温度：-40℃ ~ +85℃
- 封装：0805（表面贴装）
三、工作原理与主要特性
该自恢复保险丝基于聚合物正温度系数材料（PTC），在正常工作电流下呈低阻态，允许正常供电。当电流超过跳闸电流或发生短路时，器件受热使材料迅速增阻，限制电流并降低系统损坏风险。故障移除或冷却后材料恢复低阻态，器件可重复使用。特点为响应快速、无需更换、适配小型化PCB设计。
四、典型应用场景
- USB外设和接口保护（5V/24V系统中用于电流突发保护）
- 移动电源、便携式设备的输入/输出端防护
- 工业控制、传感器模块的过流保护（24V小电流回路）
- 消费电子、通信设备、监控与车载电子的局部保护
五、使用与布局建议
- 选型要点：工作电流应低于Ihold，并留足裕量；预计短时冲击电流必须在Imax可承受范围内。关注制造商的典型热-电特性曲线以确认在目标环境下的动作行为。
- PCB布局：0805为小型封装，焊盘尺寸按厂商推荐走线，保持周围散热空间，避免紧邻热源或发热元件；多股大电流轨道应合理分流。
- 热管理与环境：长期高温会影响动作点与寿命，尽量在+85℃以下运行，必要时考虑降载或隔热。
- 测试与验证：在实际系统中做过流冲击与循环动作测试，验证动作时间与恢复特性满足需求。
六、可靠性与包装
该型号适用于重复动作场景，但自恢复材料有寿命限制，频繁大电流跳闸会逐步影响恢复性能和电阻特性。常见供货形式为卷带（Tape & Reel）适配SMT贴装流程，具体储存与回流焊曲线请参照厂商技术资料。
备注：以上参数基于提供的基础数据整理，实际应用时请以台湾陆海正式数据手册与样品测试结果为准。
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