WMSIC Electronic Components

Jingdao Microelectronics UMSB40M

ModelUMSB40M
PackageUMSB
BrandElectronic
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 21+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Electronic UMSB40M
Type
UMSB
Minimum package
3000 个

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic
Electronic Component
UMSB40M
Electronic Component
1
Package
UMSB
Type
Electronic Component
Electronic Component
Bridge Rectifier
Electronic Component
0.379g
Electronic Component
1
Electronic Component
BM0264690919
Current
4A
Current(Ir)
5uA@1000V
(Vf)
1.6V@4A
Electronic Component
55℃~+150℃
Electronic Component
Electronic Component
Electronic Component
3000

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

UMSB40M 单相整流桥产品概述

一、产品基本定位与核心身份

UMSB40M是晶导微电子推出的一款单相整流桥,采用UMSB表面贴装封装,属于中功率整流器件范畴。该产品以4A连续整流电流、1kV直流反向耐压为核心性能指标,兼顾低损耗、宽温适应性与抗浪涌能力,可满足工业控制、家电、通讯及中小功率电源等多领域的整流需求,是一款性价比突出的通用型整流桥产品。

二、核心电气参数深度解析

UMSB40M的电气参数经过精准设计,平衡了性能与可靠性,关键参数的实际价值如下:

(1)正向压降(Vf):1.6V@4A

正向压降是整流桥导通时的电压损耗,UMSB40M在额定连续电流4A下仅为1.6V,远低于同类产品的平均水平(部分竞品可达1.8V以上)。低正向压降直接降低导通损耗,减少器件发热,提升电源转换效率,尤其适合长时间连续工作场景,可降低散热系统成本。

(2)直流反向耐压(Vr):1kV

1kV的反向耐压覆盖中高压整流主流需求(如220V市电整流安全余量充足,部分工业380V系统也可适配),确保反向偏置时不击穿,提升工作稳定性。

(3)连续整流电流(If):4A

额定连续电流4A满足中小功率设备整流需求(如500W以内开关电源、LED驱动电源),额定电流下可长期稳定工作,无需额外降额设计(系统需求接近4A时可直接选用)。

(4)反向漏电流(Ir):5μA@1000V

反向漏电流是器件反向截止时的漏失电流,UMSB40M在1kV反向电压下仅为5μA,远低于行业标准(通常≤10μA)。低漏电流减少反向损耗,延长器件寿命,尤其适合对功耗敏感的通讯、便携式设备。

(5)非重复峰值浪涌电流(Ifsm):95A

95A的浪涌电流能力可应对设备启动瞬间的大电流冲击(如开关电源开机电容充电浪涌、电机启动瞬时电流),避免器件因浪涌击穿,提升系统抗干扰能力。

(6)工作结温范围:-55℃~+150℃

宽温范围覆盖工业级环境温度波动(如户外设备、车间控制设备的低温启动与高温工作),无需额外温度补偿,适配极端工况。

三、UMSB封装特性与优势

UMSB是晶导微电子针对表面贴装场景优化的封装形式,具有以下特点:

  1. 体积紧凑:表面贴装设计无需插件,适合自动化生产线作业,节省PCB空间,提升设备集成度;
  2. 散热效率高:封装采用低热阻材料,快速导出结温热量,配合150℃最高结温,确保大电流工作稳定性;
  3. 可靠性强:封装结构抗振动、耐冲击,符合工业级器件要求,应对运输及使用中的机械应力。

四、典型应用场景

UMSB40M的参数与封装特性适配多领域应用:

  1. 中小功率开关电源:如笔记本适配器、LED驱动电源(100-500W),低损耗与抗浪涌能力提升电源效率与可靠性;
  2. 工业控制设备:如PLC、变频器辅助电源,宽温范围与高耐压适配工业环境温度与电压波动;
  3. 家电产品:如洗衣机、空调控制板,抗浪涌能力应对电机启动瞬时电流冲击;
  4. 通讯设备:如路由器、基站电源模块,低漏电流减少待机功耗,延长设备续航。

五、晶导微电子品牌背书

晶导微电子是国内功率半导体核心企业,专注整流桥、二极管、MOSFET等器件研发生产,产品通过ISO9001、IATF16949等国际认证,广泛应用于汽车电子、工业控制、消费电子领域。UMSB40M经过严格可靠性测试(高低温循环、浪涌冲击、振动测试),品质稳定可靠,可替代进口同类产品,具备显著成本优势。

总结

UMSB40M是一款高性价比通用型单相整流桥,核心亮点包括:4A/1kV均衡性能、1.6V低正向压降、95A抗浪涌能力、-55~150℃宽温范围,以及UMSB表面贴装的紧凑设计。该产品适配多领域中小功率整流需求,是工业控制、家电、通讯等行业替代进口、降低成本的理想选择。

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