WMSIC Electronic Components

BHFUSE BSMD0805-005-60V BSMD0805

ModelBSMD0805-005-60V
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
BHFUSE BSMD0805-005-60V
Type
BHFUSE
Minimum package
4000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BHFUSE
Electronic Component
BSMD0805-005-60V
Electronic Component
1
Electronic Component
1.5mm
Package
0805
Electronic Component
Resettable Fuse
Electronic Component
0.023g
Electronic Component
2.2mm
Electronic Component
0.9mm
Electronic Component
1
Electronic Component
1.5s
Electronic Component
BM0227636325
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.

BSMD0805-005-60V 产品概述

一、产品简介

BSMD0805-005-60V(品牌:BHFUSE/佰宏)是一款0805封装的表面贴装自恢复保险元件(PTC/聚合物自复位保险丝)。该器件专为对电路过流保护与短路抑制而设计,体积小巧、响应迅速、可自动复位,适用于对体积和可靠性有较高要求的消费电子、通信接口和便携设备等场景。

二、主要电气与机械参数

  • 封装:0805(长度 2.2mm × 宽度 1.5mm × 高度 0.9mm)
  • 额定耐压:Vmax = 60 V
  • 初始态阻值:Rmin = 1.5 Ω
  • 跳断后阻值(最大):R1max = 20 Ω
  • 保持电流:Ihold = 50 mA(不发生动作的最大连续电流)
  • 跳闸电流(动作电流):Itrip = 150 mA(在规定时间内触发保护)
  • 最大耐受脉冲/浪涌电流:Imax = 40 A(短时冲击能力)
  • 动作时间:约 1.5 s(在 Itrip 条件下)
  • 工作温度范围:-40 ℃ ~ +85 ℃
  • 消耗功率(稳态最大):Pd = 500 mW

三、产品特性与优势

  • 尺寸小、易于高速贴片生产,节省PCB空间。
  • 60V 的耐压能力适配较高电压的接口或模块保护需求。
  • 自恢复设计:在过流解除后自动冷却并恢复导通,无需更换。
  • 大脉冲承受能力(Imax 40A),能承受短时浪涌或启动电流。
  • 工作温度范围宽,适合多数民用与商用设备环境。
  • 低初始阻值,有助于降低正常工作时的功率损耗。

四、典型应用场景

  • USB、串口、以太网等通信端口的过流/短路保护。
  • 移动电源、锂电保护电路的辅助保护。
  • 家用与便携式电子设备的一级或二级过流防护。
  • 工控与测量模块中对敏感信号线的保护。
    注:在高温或汽车级环境(>85℃)下应谨慎选型或做热降额处理。

五、安装与使用建议

  • 推荐按照标准0805贴片封装的PCB焊盘设计和贴片工艺进行贴装;尽量避免在贴装区域形成热阻,确保散热良好。
  • 回流焊温度曲线应遵循元件耐受规范,避免长时间高温暴露以防性能退化。
  • 在电路设计时,应将Ihold和Itrip作为基准,保证正常工作电流低于Ihold,并为可能的启动或浪涌电流留有裕量。
  • 对于频繁触发的场合,需评估器件寿命与电路可接受的恢复时间,防止因多次动作影响系统稳定性。
  • 若在高功率或高环境温度下使用,应做电流降额处理并评估Pd与环境散热条件。

六、可靠性与注意事项

  • 元件经过标准环境与电气应力试验,但反复、长期在接近动作电流下工作会影响响应特性与恢复阻值。
  • 不建议将该器件用于作为主要断路保护(如高功率断路器)或代替保险丝做精确定时断开。
  • 在高频振荡电路或对阻抗敏感的模拟电路中,初始阻值可能对电路性能产生影响,需在电路仿真或样机验证中确认。

七、订购信息与支持

型号示例:BSMD0805-005-60V(BHFUSE)
在选型或批量采购前,建议向供应商索取完整的规格书(datasheet)和样品进行上板验证;如需环境应力试验数据或定制需求,可联系佰宏技术支持获取更详尽的测试报告与推荐方案。

如需进一步的参数曲线(如电阻随温升/电流的变化曲线)、回流焊工艺建议或与具体电路的兼容性评估,可提供电路信息以便给出更精确的应用建议。

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