WMSIC Electronic Components

FUXINSEMI MBR4010DF

ModelMBR4010DF
PackageDFN1006
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 MBR4010DF
Type
FUXINSEMI
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FUXINSEMI
Electronic Component
MBR4010DF
Electronic Component
1
Package
DFN1006
Electronic Component
Schottky Diode
Electronic Component
0.009g
Electronic Component
1
Electronic Component
BM0264498363
Current
1A
Diode
Electronic Component
Current(Ir)
40uA@40V
(Vf)
610mV@1A
Electronic Component
Electronic Component
Electronic Component
10000
Voltage Rating(Vr)
40V

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

MBR4010DF 产品概述

一、产品简介

MBR4010DF 是富芯森美(FUXINSEMI)推出的一款独立式肖特基整流二极管,采用小型 DFN1006 封装,面向空间受限但要求低压降整流的电源与功率管理应用。该器件在 1A 工作电流下具有较低的正向压降(Vf = 610 mV @ 1A),反向耐压 40V,适合 12V / 24V 等常见车用与工业电源轨的整流、反向保护与功率路径控制等场景。

二、主要电气参数

  • 器件类型:肖特基整流二极管(独立式)
  • 品牌/型号:FUXINSEMI(富芯森美) MBR4010DF
  • 正向压降(Vf):0.61 V @ 1 A
  • 直流反向耐压(Vr):40 V
  • 连续整流电流:1 A
  • 反向漏电流(Ir):40 μA @ 40 V
  • 封装:DFN1006(小型无引脚封装)

这些参数表明 MBR4010DF 在低电压、低功耗应用下能提供较低的压降和一定的逆向耐压能力,但因封装与额定电流限制,热耗散能力有限,应在设计中注意热管理与电流分配。

三、封装与热管理

  • 封装特点:DFN1006 为超小型表面贴装封装,适合高密度 PCB 布局,有利于缩小系统体积。该封装通常具有较短的寄生电感和良好的高频性能。
  • 热性能与限制:小封装热阻较大,连续 1A 工作时会产生显著热量。PCB 散热能力直接决定器件的允许功耗与可靠性。建议在 PCB 上:
    • 在焊盘下方和周围铺设足够铜箔(内外层)以提高散热;
    • 必要时采用过孔将热量引导至内层或背面散热面;
    • 做好热仿真或测量,按厂家推荐的结温/环境温度进行降额使用。
  • 焊接与装配:DFN 封装对回流焊工艺敏感,建议参考厂方推荐的回流曲线与焊盘设计(焊膏印刷量、焊盘尺寸及焊接顺序),避免焊接缺陷如虚焊或过多焊膏导致的焊球溢出。

四、典型应用场景

  • 开关电源整流:用于低压输出的二次侧整流或同步整流替代,能降低导通损耗并提高效率。
  • 反向电压保护:在电池供电或电源插反情况下提供快速单向导通,防止反接损坏敏感电路。
  • 电源 OR-ing 与负载隔离:在多电源自动切换场合用作理想二极管或功率路由元件(注意效率与热管理)。
  • 便携设备与消费电子:适合对体积、效率有要求的手持或小型设备的电源路径管理。
  • 工业/车载外围电路:在 12V/24V 系统内做保护或本地整流,需注意工作温度与漏电流随温度上升的影响。

五、使用建议与注意事项

  • 温度影响:肖特基二极管的反向漏电随温度显著增加。40 μA @ 40 V 为典型室温参考值,在高温环境下需预留足够余量或采用更低漏电的器件。
  • 电流与功耗:尽管额定整流电流为 1A,但在长时间高负载或高环境温度时应进行降额(例如 70–80%),以保证长期可靠性。
  • 瞬态与浪涌电流:若电路可能遭遇浪涌或短时大电流,请查阅厂方浪涌能力数据;如无明确浪涌规格,应避免将其作为唯一保护元件或并联使用时注意均流问题。
  • 并联使用:并联多只肖特基需考虑正向压降差异与导通不均匀,必要时采用小阻值平衡电阻或选择额定电流更高的单只器件。
  • PCB 布局:短电流回路、增大焊盘铜厚、减少寄生电感,有利于降低开关损失和噪声。输入与输出旁加足够的去耦电容以抑制瞬态电压。

六、选型建议

  • 若目标应用电流持续接近或超过 1A,或环境温度较高,建议选择额定电流与功耗更高的器件或采用更大封装以获得更好的散热能力。
  • 对于对漏电极为敏感的设备(如电池待机),如需更低反向漏电,可优先选择低漏电肖特基或静态漏电更小的整流器件。
  • 在要求更低正向压降和更高效率的同步整流场合,可评估 MOSFET 同步整流替代方案,但需考虑成本与控制复杂度。

总结:MBR4010DF(FUXINSEMI)以其 0.61V @1A 的低正向压降、40V 的反向耐压和超小 DFN1006 封装,适用于空间受限且电流不超过 1A 的低压整流、反向保护与电源路径管理场景。设计时需重视热管理与温度对漏电的影响,并根据实际应用条件进行合理降额与 PCB 散热设计。若需更详细的机械尺寸、回流曲线或浪涌能力,请参照厂方正式数据手册。

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