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BHFUSE BSMD0805-002-60V BSMD0805
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- BHFUSE BSMD0805-002-60V
- Type
- BHFUSE
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- BHFUSE
- Electronic Component
- BSMD0805-002-60V
- Electronic Component
- 1
- Electronic Component
- 1.5mm
- Package
- 0805
- Electronic Component
- Resettable Fuse
- Electronic Component
- 0.025g
- Electronic Component
- 2.2mm
- Electronic Component
- 0.9mm
- Electronic Component
- 1
- Electronic Component
- 1.5s
- Electronic Component
- BM0228072371
- Operating Temperature
- 40℃~+85℃
- Voltage Rating(Vmax)
- 60V
- Power(Pd)
- 500mW
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BSMD0805-002-60V 产品概述
一、产品简介
BSMD0805-002-60V（品牌：BHFUSE/佰宏）是一款用于电路过流保护的小型贴片自恢复（一体式）保险元件，采用0805封装，体积小、响应稳定，适合对电流、短路及异常功率情况提供可重复保护的场合。该器件在过流后不会永久断路，可在故障解除后自动恢复导通，方便维护与批量生产。
二、主要电气参数
- 耐压（Vmax）：60 V
- 最大断开电流（Imax）：40 A
- 保持电流（Ihold）：20 mA
- 跳闸电流（Itrip）：60 mA
- 动作时间（典型）：1.5 s
- 消耗功率（Pd）：500 mW
- 初始态阻值（Rmin）：12 Ω
- 跳断后最大阻值（R1max）：70 Ω
- 工作温度：-40 ℃ ~ +85 ℃
三、结构与尺寸
- 封装：0805 SMD
- 长度：2.2 mm，宽度：1.5 mm，高度：0.9 mm
小封装便于高密度PCB布板，适合集成在数据线、低压电源与接口保护电路中。
四、典型应用场景
- USB/数据接口与信号线过流保护
- 消费电子与移动设备的外设保护
- 通信设备、路由器、机顶盒的电源及外围保护
- 小功率电源模块、传感器模块与电池保护电路
五、设计与选型建议
- 选型要点：Ihold 应大于正常工作最大电流（建议留 20–50% 安全裕度），Itrip 与系统允许的短时峰值对比确认是否能在容许时间内动作。
- 功耗与热管理：Pd=500 mW，长时间接近此值会升高元件温度，须考虑PCB散热与布局避免热聚集。
- 响应时间：动作时间约 1.5 s，适用于对瞬态浪涌有短暂延迟容忍的场合，不适合需要毫秒级保护的高速保护需求。
- 恢复特性：为自恢复型，跳闸后阻值上升至最高约70 Ω，故障消除并冷却后恢复初始态阻值。
六、封装与焊接注意
- 0805贴片尺寸，推荐按厂家推荐焊盘尺寸布局，确保良好焊点与热传导。
- 建议采用无铅回流焊工艺，注意回流峰值温度与时间不要超过器件允许值（参考厂家工艺规范）。
- 焊接后应避免强烈机械应力与过度挤压，以免影响内部结构与动作性能。
七、可靠性与使用注意
- 工作温度范围 -40 ~ +85 ℃，在极端高温环境下动作特性可能发生漂移，应评估长期加速失效情况。
- 设备在高频反复动作或长时间超载下会加速老化，设计时应考虑保护元件的更换策略或并用限制措施。
- 采购与库存时注意批次一致性，若用于关键系统建议与厂商确认样品并做可靠性测试。
如需提供封装尺寸图、典型I–T曲线、热阻与推荐焊盘数据或样片测试报告，可告知，我可继续补充。
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