WMSIC Electronic Components

FUXINSEMI B260A

ModelB260A
PackageSMA(DO-214AC)
BrandFUXINSEMI
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
FUXINSEMI B260A
Type
FUXINSEMI
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FUXINSEMI
Electronic Component
B260A
Electronic Component
1
Package
SMA(DO-214AC)
Electronic Component
Schottky Diode
Electronic Component
0.125g
Electronic Component
1
Electronic Component
BM0265332230
Current
2A
Diode
Electronic Component
Current(Ir)
500uA@60V
(Vf)
700mV@2A
Electronic Component
55℃~+150℃
Electronic Component
Electronic Component
Electronic Component
5000

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

B260A 肖特基二极管产品概述

一、产品基本定位与核心身份

B260A是FUXINSEMI(富芯森美) 推出的一款独立式肖特基整流二极管,采用SMA(DO-214AC)贴片封装,属于低压大电流型器件。其设计核心围绕“低功耗、高频响应、小型化”三大需求,适配消费电子、小型电源等领域的整流、续流及保护电路,兼顾性能与成本优势。

二、关键电性能参数深度解析

B260A的参数直接决定应用边界,以下为核心参数的实际价值:

  1. 正向压降(Vf):700mV@2A
    肖特基二极管的核心优势是低正向压降,B260A在额定电流2A下仅为700mV(普通硅二极管典型1V以上),导通损耗仅1.4W@2A,可显著提升电源转换效率(如5V/2A充电器效率提升2%~3%),减少发热。
  2. 直流反向耐压(Vr):60V
    额定反向耐压60V,满足大多数低压电源(5V、12V输出)的反向截止需求,避免击穿失效,且留有一定耐压冗余,适配复杂工况。
  3. 额定整流电流(Io):2A
    持续工作电流额定值2A,可稳定承载2A以下正向电流;峰值电流(脉冲工况)可达10A左右(参考官方 datasheet),适配中小功率电源场景。
  4. 反向漏电流(Ir):500μA@60V
    额定反向电压下漏电流仅500μA,漏电流小意味着反向截止状态发热少、稳定性高,长期工作无明显热积累。
  5. 工作结温范围:-55℃~+150℃
    宽温覆盖工业级与消费级环境,可适应低温(户外设备)或高温(电源模块内部)场景,无需额外温控设计。

三、封装特性与物理优势

B260A采用SMA(DO-214AC)贴片封装,具备三大物理优势:

  • 体积紧凑:封装尺寸仅3.0×2.5×1.5mm,适配高密度PCB设计,满足便携充电器、智能穿戴等小型化产品需求;
  • 贴装便捷:无引线设计,适配自动化SMT贴装,生产效率高,降低人工成本;
  • 散热可靠:封装结构利于热量传导,结合低导通损耗,可减少散热片依赖,简化电路设计;
  • 抗干扰性:独立式封装避免多管串扰,信号稳定性更强。

四、典型应用场景梳理

结合参数与封装特性,B260A的核心应用场景包括:

  1. 开关电源次级整流:手机/平板充电器、路由器、机顶盒电源等,利用低压降提升效率;
  2. DC-DC转换器续流:BUCK/BOOST电路中的续流管,快速开关特性(ns级反向恢复时间)减少损耗,优化输出纹波;
  3. 小型家电电源:智能音箱、投影仪、扫地机器人电源模块,满足2A电流需求;
  4. LED驱动电源:作为整流/续流管,低功耗不影响LED亮度稳定性,适配小功率LED照明;
  5. 过流保护电路:配合保险丝、MOS管实现过流截止,快速响应保护后级电路。

五、可靠性与环境适应性

B260A的可靠性设计体现在:

  • 宽温稳定性:通过-55℃~+150℃高低温循环测试,适配车载电子、户外监控等极端环境;
  • 漏电流可控:反向漏电流随温度变化平缓,长期工作无性能衰减;
  • 抗振动冲击:贴片封装无引线,抗振动/冲击能力强,适配运输、工业现场工况;
  • ESD防护:符合工业级ESD标准(±2kV人体模式),避免静电损坏。

六、选型对比与核心优势

对比同类器件,B260A的核心优势清晰:

  • ** vs 普通硅二极管**:正向压降低30%,开关速度快100倍,效率更高;
  • ** vs 快速恢复二极管**:压降更低(0.7V vs 0.9~1.2V),成本更低,适配低压场景;
  • ** vs 其他肖特基二极管**:60V耐压平衡“低压应用”与“耐压冗余”,2A电流覆盖中小功率需求,封装紧凑适配小型化。

总结:B260A是一款高性价比肖特基二极管,以低压降、宽温、小型化为核心优势,适配多场景中小功率电源设计,是消费电子、小型家电等领域的优选器件。

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