WMSIC Electronic Components

BHFUSE(佰宏) BSMD0603-025-9V

ModelBSMD0603-025-9V
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 Option 61626

Availability on request

Technical data

Product details

19 specifications

Core information

Product name
BHFUSE BSMD0603-025-9V
Type
BHFUSE
Minimum package
5000 卷

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BHFUSE
Electronic Component
BSMD0603-025-9V
Electronic Component
1
Electronic Component
1.05mm
Package
0603
Electronic Component
Resettable Fuse
Electronic Component
0.036g
Electronic Component
1.85mm
Electronic Component
1mm
Electronic Component
1
Electronic Component
80ms
Electronic Component
BM0265728486
Operating Temperature
40℃~+85℃
Voltage Rating(Vmax)
9V
Power(Pd)
500mW

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

BSMD0603-025-9V自恢复保险丝产品概述

一、产品核心定位与品牌背景

BSMD0603-025-9V是佰宏(BHFUSE)推出的0603贴片封装自恢复保险丝,针对高密度小型电子设备的过流/短路保护需求设计,兼顾小尺寸、低功耗与快速响应特性,适配消费电子、IoT、可穿戴等领域的主流应用场景,是替代传统一次性保险丝的高性价比选择。

二、关键参数全解析(结合实际应用)

产品参数直接决定保护能力与适配性,以下是核心参数的实际意义解读:

  1. 耐压(Vmax=9V):最高可承受9V直流/交流电压,覆盖多数小型电子设备(如3.7V锂电池系统、5V USB电源)的电压范围,避免过压击穿风险;
  2. 保持电流(Ihold=250mA):正常工作时电流≤250mA可稳定导通,不会触发保护——适合小电流电路(如传感器、蓝牙模块)的长期工作,避免误动作;
  3. 跳闸电流(Itrip=550mA):电流≥550mA时,器件在80ms内跳断,快速切断过流路径,保护后端IC、电容等元器件不被烧毁;
  4. 初始电阻(Rmin=500mΩ):导通时电阻仅0.5Ω,功耗低(Pd=500mW),不会对电路信号或电源效率造成明显影响,适合对功耗敏感的可穿戴设备;
  5. 跳断后电阻(R1max=3Ω):故障状态下电阻提升至3Ω以上,大幅限制故障电流,避免持续发热引发二次故障;
  6. 工作温度范围(-40℃~+85℃):覆盖工业级温度区间,可适应户外设备(低温)、充电发热场景(高温),可靠性更高。

三、0603封装与尺寸优势

BSMD0603-025-9V采用0603贴片封装(尺寸1.85mm×1.05mm×1mm),是当前电子设备主流小型封装之一:

  • 空间效率高:适配高密度PCB设计(如智能手机主板、智能手表内部),可与其他贴片元器件紧密布局,节省约30%安装空间;
  • 贴装兼容性强:支持自动化SMT贴装,生产效率高,适合批量制造;
  • 轻量化设计:单颗重量仅约0.01g,对可穿戴、便携设备的轻量化无额外负担。

四、核心性能与可靠性特点

  1. 自恢复特性:故障排除后(如短路移除、电流恢复正常),器件自动恢复导通,无需手动更换,降低维护成本与返修率;
  2. 抗浪涌能力:最大承载电流40A(瞬时),可应对电路启动时的电容充电浪涌,避免误跳断;
  3. 低功耗无干扰:初始电阻小+额定功耗500mW,导通时几乎不产生额外热量,不影响周围元器件工作温度;
  4. 宽温稳定:-40℃~+85℃范围内参数无明显漂移,不会因温度变化导致误动作或保护失效。

五、典型应用场景

因小尺寸、精准保护的特性,广泛应用于:

  1. 移动终端:智能手机、平板的电池保护电路、USB充电端口过流保护;
  2. 可穿戴设备:智能手表、手环的电源模块、心率/运动传感器电路保护;
  3. IoT与无线设备:蓝牙模块、WiFi模块、小型传感器节点的过流保护;
  4. 小型电源:USB电源适配器(5V/2A以内)、移动电源的输出端口保护;
  5. 消费电子配件:TWS蓝牙耳机充电盒、无线充电器的电路保护。

六、应用注意事项

  1. 电压匹配:电路工作电压需≤9V,避免超压损坏;
  2. 电流匹配:正常工作电流需≤250mA,避免长期过流导致老化;
  3. 贴装工艺:SMT回流焊温度需符合0603封装标准(≤260℃/10s),避免高温损伤;
  4. 环境防护:避免在腐蚀性气体、高湿度环境下长期使用,影响可靠性。

总结:BSMD0603-025-9V通过小尺寸封装、精准保护参数与宽温可靠性,精准匹配当前小型电子设备的过流保护需求,是消费电子、IoT领域的高性价比选择。

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