WMSIC Electronic Components

BHFUSE BSMD0805-075-16V BSMD0805

ModelBSMD0805-075-16V
Package0805
BrandBHFUSE
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
BHFUSE BSMD0805-075-16V
Type
BHFUSE
Minimum package
4000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BHFUSE
Electronic Component
BSMD0805-075-16V
Electronic Component
1
Electronic Component
1.5mm
Package
0805
Electronic Component
Resettable Fuse
Electronic Component
0.03g
Electronic Component
2.2mm
Electronic Component
1.1mm
Electronic Component
1
Electronic Component
200ms
Electronic Component
BM0228072369
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
16V
Power(Pd)
600mW

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

BSMD0805-075-16V 产品概述

一、产品简介

BSMD0805-075-16V(品牌:BHFUSE / 佰宏)为0805封装自恢复型聚合物保险丝(PTC resettable fuse),设计用于低压直流电路的过流保护与短路保护。器件尺寸:长度2.2mm、宽度1.5mm、高度1.1mm,适配自动贴装与紧凑布局的消费类与工业电子板级防护需求。

二、主要规格与电气参数

  • 封装:0805(SMD)
  • 额定电压:Vmax = 16V
  • 初始态阻值:Rmin = 70 mΩ
  • 跳断后阻值(最大):R1max = 385 mΩ
  • 保持电流:Ihold = 750 mA(设备在此电流下应长期保持闭合)
  • 跳闸电流:Itrip = 1.5 A(典型触发点)
  • 最大瞬时耐流:Imax = 40 A(短时承受能力,非连续工作)
  • 动作时间:约 8 s(特定过载条件下典型值,具体以厂方曲线为准)
  • 最大耗散功率:Pd = 600 mW
  • 工作温度范围:-40 ℃ 至 +85 ℃

三、特性与优势

  • 小型SMD 0805封装,兼容自动化贴装,节省板面空间;
  • 初始导通阻抗低(70 mΩ),对常态供电压降影响小;
  • 跳闸后阻值显著上升,有效限制故障电流并实现自动复位;
  • 宽温度范围适应多种环境(-40~+85 ℃);
  • 高频率的短时浪涌(Imax up to 40A)能被承受,保证抗冲击能力。

四、典型应用场景

  • 移动设备、便携式电源模块的输入侧保护;
  • USB、POE等低压电源输出与插口保护;
  • 工业与消费电子板级短路/过流保护;
  • 电池保护电路、充电器与电源模块。

五、PCB 与焊接工艺建议

  • 依据器件尺寸(2.2×1.5×1.1 mm)设计对应的焊盘,确保良好焊点和热传导;
  • 推荐无铅回流焊工艺,参照IPC/JEDEC回流曲线,峰值温度按焊料体系选择(建议参照器件厂方资料);
  • 尽量避免在器件两侧增加大面积铜箔以致热不均,必要时使用热槽或热阻隔设计;
  • 贴装时避免机械挤压和强烈弯折以免影响内部聚合物结构。

六、选型与使用注意事项

  • 选型原则:Ihold 应大于系统持续工作电流,Itrip 应低于被保护电路可接受的最大故障电流;建议留有一定裕量(例如 15~30%);
  • 功率与温升:在 Ihold(0.75 A)条件下,器件耗散约 0.75^2×0.07Ω ≈ 39 mW,远低于 Pd,但跳闸后阻值升高,短时高电流会产生较大热量,应避免长时间超出额定耗散功率;
  • 动作时间为典型值,实际触发受环境温度与电流波形影响,请参照曲线并做实测验证;
  • 对ESD、冲击及长期可靠性要求高的场合,建议与厂方确认老化与可靠性数据。

七、包装与订购信息

标准型号:BSMD0805-075-16V,品牌:BHFUSE(佰宏)。常见为卷带(Reel)包装,便于贴片机取料。订购或批量使用前建议索取完整数据手册与样品进行上板验证。

总结:BSMD0805-075-16V 提供低阻抗、快速响应且可自恢复的过流保护方案,适合对体积、自动贴装与可靠性有要求的各种低压电子应用。

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