WMSIC Electronic Components

Jingdao Microelectronics M1

ModelM1
PackageSMA
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Electronic M1
Type
Jingdao Microelectronics
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic
Electronic Component
M1
Electronic Component
1
Package
SMA
Electronic Component
General Purpose Diode
Electronic Component
0.119g
Electronic Component
1
Electronic Component
BM0265390939
Current
1A
Diode
Electronic Component
Current(Ir)
5uA@50V
(Vf)
1.1V@1A
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.

M1通用二极管产品概述

M1是晶导微电子推出的一款独立式通用整流二极管,采用SMA(DO-214AC)贴片封装,以高可靠性、宽温适配、紧凑体积为核心优势,覆盖小功率低压整流场景的核心需求,是消费电子、小型家电、工业辅助电路等领域的优选器件。

一、产品核心定位与基础特征

M1定位于通用型小功率整流二极管,区别于快恢复、肖特基等特殊二极管,专注于基础整流功能的稳定实现。其基础特征清晰:

  • 独立式封装设计,无并联/串联结构,电路应用灵活;
  • 贴片SMA封装,体积紧凑(典型尺寸约2.7×1.7×1.1mm),适配高密度PCB布局;
  • 晶导微电子原厂出品,符合RoHS无铅环保标准,兼容主流自动化贴装工艺。

二、关键电气性能参数解析

M1的电气参数针对低压小功率场景优化,核心参数满足多数实用需求:

1. 正向压降与整流能力

正向压降(Vf)为1.1V@1A,在1A额定整流电流下压降稳定,既保证整流效率(压降越低,功耗越小),又适配常见5V/12V低压电源系统的压降预算;额定整流电流(IF)为1A,可满足小功率负载(如12V/0.5A适配器、5V/1A充电模块)的持续工作需求。

2. 反向耐压与漏电流

直流反向耐压(Vr)达50V,覆盖多数低压电路的反向偏置需求(如市电整流后滤波前的反向电压通常不超过30V);反向电流(Ir)仅5uA@50V,漏电流极小,反向偏置时功耗可忽略,适合对静态功耗敏感的电池供电设备。

3. 宽温工作范围

工作结温范围为**-55℃+150℃**,远超常规民用器件(通常0℃+125℃),可适配户外设备(如太阳能小夜灯)、工业控制辅助电路(如低温环境下的传感器供电)等高低温场景,无需额外温度补偿。

三、封装与可靠性设计

M1采用SMA(DO-214AC)贴片封装,该封装具备以下优势:

  • 体积紧凑:相比传统DO-41直插封装,体积缩小约70%,大幅节省PCB空间,适合便携式设备;
  • 散热性能:封装引脚与PCB铜箔的热耦合性好,配合150℃结温上限,可有效散发布载功率;
  • 机械可靠性:贴片结构抗振动性能优于直插,适合车载、手持等易振动场景;
  • 工艺兼容性:符合IPC标准,可通过回流焊、波峰焊等主流贴装工艺生产,效率高、良率稳定。

四、品牌与品质保障

晶导微电子作为国内功率半导体领域的主流厂商,M1产品通过多重品质管控:

  • 原材料采用高纯度硅片,保证参数一致性;
  • 生产过程经过高温老化、反向耐压测试、温度循环测试等可靠性验证;
  • 供货周期稳定,可满足中小批量到大规模生产的需求;
  • 符合RoHS 2.0及无卤素标准,环保合规。

五、典型应用场景

M1的参数与封装特性,使其适用于以下核心场景:

  1. 消费电子:手机充电器、移动电源、蓝牙耳机充电盒的整流电路;
  2. 小型家电:台灯、加湿器、电动牙刷的电源模块;
  3. 工业控制:PLC辅助电路、传感器供电模块(低温环境);
  4. 汽车电子:车载USB充电口、仪表盘辅助电路(宽温需求)。

总结

M1通用二极管以1A额定电流、50V反向耐压、宽温适配为核心,结合紧凑SMA封装与可靠品质,是低压小功率整流场景的高性价比选择。其灵活的电路应用特性与稳定的参数表现,可满足电子设计工程师对基础整流器件的多数需求。

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