Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Taiwan Lu Hai MSMD020-60V MSMD020
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- MSMD020-60V
- Type
- Taiwan Luhai
- Minimum package
- 1500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- MSMD020-60V
- Electronic Component
- 1
- Package
- 1812
- Electronic Component
- Resettable Fuse
- Electronic Component
- 0.095g
- Electronic Component
- 1
- Electronic Component
- 8s
- Electronic Component
- BM0264399025
- Operating Temperature
- 40℃~+85℃
- Voltage Rating(Vmax)
- 60V
- Power(Pd)
- 800mW
- Current(Imax)
- 100A
- Electronic Component
- Electronic Component
- Electronic Component
- 1500
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
MSMD020-60V 产品概述
一、主要参数
MSMD020-60V 为台湾陆海（Luhai）生产的自恢复保险丝（PPTC），封装规格 1812。主要电气参数如下：耐压（Vmax）60V；保持电流（Ihold）0.25A；跳闸电流（Itrip）0.4A；最大允许浪涌电流（Imax）可达100A（瞬时脉冲）；动作时间约8秒（在规定过流条件下）；初始态阻值 Rmin≈350mΩ，跳断后阻值 R1max≤5Ω；最大耗散功率 Pd≈800mW；工作温度范围 -40℃～+85℃。
二、产品特性
- 自恢复：过流后会自动加热阻值上升限流，故障解除后冷却恢复导通，适合反复保护场景。
- 低静态电阻：正常工作时阻值小（≈350mΩ），对电压降和功率损耗影响有限。
- 宽电压等级：60V 额定耐压满足中低压直流系统和多数通信、电源接口要求。
- 尺寸优势：1812 封装兼顾功率能力与布局密度，便于自动贴装。
三、典型应用
适用于 USB 接口、通信设备端口保护、电源输入防护、工业控制模块、电池管理系统和家用电器的小电流回路防护等场景，特别适合需重复自恢复保护且占板面积需控制的设计。
四、选型与使用建议
- 正常工作电流应低于 Ihold，推荐留 30%～50% 余量（即实际工作电流不超过约0.15A）。
- Imax 为瞬时浪涌能力，若系统有长时间过流风险，应采用并联或外加快速熔断器作为一次性保护。
- 环境温度升高会降低 Ihold，请根据最高工作温度选择更大规格或在设计中考虑降额。
五、PCB布局与安装注意
- 1812 尺寸要求为占板面积适中，焊盘设计应保证良好焊接且避免局部过热。
- 避免将器件置于高温发热元件旁，必要时采用隔热或通风散热措施。
- 对于高电流路径，增宽走线并合理安排散热铜皮。
六、可靠性与检测建议
- 建议在样机阶段进行过流动作测试、反复跳闸循环测试及高低温检测，观察 Ihold、Itrip 的漂移与恢复阻值变化。
- 长期多次跳闸后器件特性会产生一定变化，应在最终产品寿命评估中考虑该影响。
七、品牌与采购
MSMD020-60V 为台湾陆海品牌产品，适合需要可靠可重复保护且易于贴装的小电流保护方案。采购时请确认批次与完整规格书，必要时索取样品进行实际电路验证。
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