WMSIC Electronic Components

BHFUSE BSMD1210-050-24V BSMD1210

ModelBSMD1210-050-24V
Package1210
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 BSMD1210-050-24V
Type
BHFUSE
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BHFUSE
Electronic Component
BSMD1210-050-24V
Electronic Component
1
Electronic Component
2.8mm
Package
1210
Electronic Component
Resettable Fuse
Electronic Component
0.058g
Electronic Component
3.5mm
Electronic Component
1.1mm
Electronic Component
1
Electronic Component
100ms
Electronic Component
BM0231068006
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
24V
Power(Pd)
600mW

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

BSMD1210-050-24V 产品概述

一、产品简介

BSMD1210-050-24V 是佰宏(BHFUSE)推出的一款 1210 封装表面贴装自恢复保险元件,适用于 24V 等级的过流保护场合。器件体积小、响应快、可多次自恢复,适合对短路或瞬态过流有可靠保护需求的消费电子、通信、电源和工业设备。

二、主要参数

  • 耐压(Vmax):24V
  • 最大电流(Imax):100A
  • 保持电流(Ihold):0.5A(500mA)
  • 跳闸电流(Itrip):1A
  • 消耗功率(Pd):600mW
  • 初始态阻值(Rmin):180mΩ
  • 跳断后阻值(R1max):900mΩ
  • 动作时间:100ms
  • 工作温度:-40℃ ~ +85℃
  • 尺寸:长度 3.5mm × 宽度 2.8mm × 高度 1.1mm
  • 品牌:BHFUSE(佰宏)
  • 封装:1210 SMD

三、主要特性与优势

  • 小型 SMD 封装(1210),便于自动贴片与流水线生产,适合空间受限的设计。
  • 低保持电流(0.5A)与明确的跳闸点(1A),能在小电流工作态与过流保护间提供稳定区分。
  • 自恢复特性使器件在故障消除后自动恢复导通,减少维护工作量。
  • 初始低阻值(≈180mΩ)保证正常工作时功耗较低,跳断后阻值上升至最高900mΩ以限制故障电流。
  • 宽温度范围(-40℃ 至 +85℃)适应大多数工业与民用环境。

四、典型应用场景

  • 24V 辅助电源与分支电路保护
  • 通信设备与网络终端的输入保护
  • 工业控制模块、楼宇控制系统的过流防护
  • 电池管理系统与便携电源的安全防护
  • USB PD、车载电子(需注意汽车瞬态与耐压要求)等低电压系统的局部保护

五、封装与使用注意事项

  • 推荐在 PCB 设计中为器件提供良好散热路径,避免长期接近额定 Pd 导致温升影响动作特性。
  • 使用时应保证工作电流长期低于 Ihold,短时冲击高于 Itrip 可实现跳闸保护;若系统存在反复冲击,应评估寿命与可靠性。
  • 贴片工艺宜参考 1210 SMD 规范的回流焊温度曲线,避免过高峰值温度影响元件性能。
  • 在汽车级或有更高浪涌要求的场合,建议结合瞬态抑制(TVS)等器件共同使用以增强系统鲁棒性。

六、总结与推荐

BSMD1210-050-24V 以其紧凑的 1210 封装、清晰的保持/跳闸特性和自恢复能力,适合用于 24V 级别的过流保护场合。设计时注意热管理与正确放置,结合系统电流特性做适当的裕量设计,可为设备提供稳定可靠的过流保护。若需更高耐压或更大动作电流,可与佰宏其他系列产品对比选型。

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