WMSIC Electronic Components

BHFUSE BSMD0603-010-36V BSMD0603

ModelBSMD0603-010-36V
Package0603
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 BSMD0603-010-36V
Type
BHFUSE
Minimum package
4000 编带

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BHFUSE
Electronic Component
BSMD0603-010-36V
Electronic Component
1
Electronic Component
1.05mm
Package
0603
Electronic Component
Resettable Fuse
Electronic Component
0.039g
Electronic Component
1.85mm
Electronic Component
1mm
Electronic Component
1
Electronic Component
500ms
Electronic Component
BM0228072330
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
36V
Power(Pd)
500mW

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

BSMD0603-010-36V 产品概述

一、产品简介

BSMD0603-010-36V(佰宏 BHFUSE)为0603封装的表面贴装自恢复保险器(PTC 复位式保险丝),尺寸小巧(长1.85mm × 宽1.05mm × 高1.00mm),专为电压高达36V的便携式和板级保护场合设计。器件在正常工作时具有较低的初始阻值(Rmin = 900mΩ),当过流发生并持续至动作条件时,在约500ms内跳闸,跳闸后阻值上限为8Ω,可有效限制故障电流并保护后级电路。

二、主要电气和热学参数

  • 额定电压(Vmax):36V DC
  • 初始态阻值(Rmin):900 mΩ(典型)
  • 跳闸电流(Itrip):300 mA(触发过流时动作参考)
  • 保持电流(Ihold):100 mA(在此电流下不会触发)
  • 跳断后阻值(R1max):8 Ω(动作后阻值上限)
  • 最大承受电流(Imax):40 A(短时冲击耐受能力,非长期额定电流)
  • 最大功耗(Pd):500 mW
  • 工作温度范围:-40°C 至 +85°C
  • 动作时间:典型 500 ms

注:上述参数基于典型测试条件,实际使用应参考厂方详细曲线并考虑板上热环境与焊盘散热。

三、产品特性与应用场景

  • 小尺寸(0603)适合高密度 PCB 布局,适用于 USB、摄像头模组、蓝牙/IoT 芯片、移动设备、车载低压控制模块以及各类电源输入线路的过流保护。
  • 自恢复特性允许在故障消除后自动恢复供电,减少维护成本。
  • 36V 的耐压能力使其可用于较高直流电压场合,例如某些工业、通讯或电池管理系统的局部保护。
  • 对短时大电流冲击有良好耐受性(Imax 40A),用于抑制瞬态短路或浪涌电流,但不替代快速断路保护器件。

四、设计与布局建议

  • 为保证标称性能,Ihold/Itrip 及 Pd 等指标应在实际电路温度和散热条件下验证;高温环境会降低动作电流并改变响应时间。
  • 建议采用厂商推荐的0603焊盘与回流焊工艺,避免在器件上施加过大机械应力;如需波峰或手工焊接,参考厂方焊接温度曲线。
  • 在高电流或热敏感区域,应预留足够铜厚与焊盘面积以利散热,必要时在器件附近增加过孔或铜面以降低工作温升。
  • 对于安全或认证要求高的产品,建议结合熔断器、限流器或过压保护电路组成多层保护方案。

五、可靠性与选型要点

  • 选型时应关注实际工作电流相对于 Ihold 与 Itrip 的裕量,并考虑长期平均功耗与环境温度对动作行为的影响。
  • Imax 为短时耐受值,不能作为连续额定值使用;若系统可能经历频繁浪涌,请评估热循环对寿命的影响。
  • 如需认证(UL、IEC 等)或详细寿命曲线、热阻数据,请联系佰宏(BHFUSE)获取完整技术资料与推荐封装/贴装信息。

总结:BSMD0603-010-36V 提供了小型化、高电压耐受与自恢复保护能力,是板级过流保护的理想选择;实际应用时应结合PCB热管理与系统电流特性进行合理选型与验证。

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