WMSIC Electronic Components

Jingdao Microelectronics MM1Z12

ModelMM1Z12
PackageSOD-123
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Electronic MM1Z12
Type
Jingdao Microelectronics
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic
Electronic Component
MM1Z12
Electronic Component
1
Package
SOD-123
Electronic Component
Zener Diode
Electronic Component
0.036g
Electronic Component
1
(Zzt)
35Ω
Electronic Component
BM0264086078
Diode
1
Current(Ir)
100nA@9V
Power Dissipation(Pd)
500mW
Electronic Component
11.4V~12.7V
Electronic Component
55℃~+150℃
Electronic Component
Electronic Component

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

晶导微电子MM1Z12稳压二极管产品概述

一、产品基本定位与核心特性

MM1Z12是晶导微电子推出的独立式表面贴装稳压二极管,主打12V标称稳压值,针对小功率、高密度电路的稳压需求设计。核心特性可概括为:低反向漏电流、宽工作结温范围、小体积封装、稳定的稳压精度范围,是消费电子、工业控制等领域的通用型稳压解决方案。

二、关键参数详解

该产品的参数设计精准匹配常规稳压场景,核心参数及应用意义如下:

  1. 稳压值范围:标称12V,实际稳压区间为11.4V~12.7V,覆盖±5%精度范围,满足多数电路对稳压一致性的基础需求;
  2. 反向漏电流:9V反向偏置下仅100nA,属同类产品低漏电流水平——可有效降低电路静态功耗,尤其适合电池供电的便携设备(如智能穿戴、蓝牙耳机);
  3. 耗散功率:最大500mW,支持的最大稳压电流约41.6mA(I=Pd/Vz=500mW/12V),适配小功率电源模块、传感器辅助电源等场景;
  4. 动态阻抗(Zzt):35Ω,反映稳压区电压与电流变化的比值,该值越小稳压精度越高——35Ω属于常规小阻抗,能稳定输出电压波动;
  5. 工作结温:-55℃~+150℃,覆盖工业级环境温度范围(如户外设备、车载场景的极端温变),可靠性强。

三、封装与可靠性

MM1Z12采用SOD-123表面贴装封装,尺寸约2.9mm×1.6mm×1.0mm,属于小型化封装,适配高密度PCB设计(如智能手机主板、小型工业控制器)。封装可靠性体现在:

  • 宽结温范围:长期工作在极端温度下无性能衰减,满足户外、车载等场景需求;
  • 低漏电流稳定性:反向漏电流随温度变化小,长期使用后无明显上升,保证电路静态功耗稳定;
  • 抗冲击性:封装结构紧凑,抗振动、抗冲击能力符合电子设备可靠性标准。

四、典型应用场景

结合参数与封装特性,MM1Z12的典型应用场景包括:

  1. 消费电子:智能手机、平板、智能穿戴的电源模块稳压(小体积适配紧凑主板,低漏电流降低待机功耗);
  2. 工业控制:PLC模块、传感器节点的辅助电源稳压(宽温适应车间、户外设备的温度变化);
  3. 通信设备:路由器、基站的电源滤波稳压(稳定输出电压,保障信号传输稳定);
  4. 汽车电子:车载小功率电路(如仪表盘背光、传感器电源)稳压(宽温满足-40℃~+85℃的车载环境);
  5. 电池供电设备:蓝牙耳机、智能手环的电源稳压(低漏电流延长电池续航)。

五、选型与使用注意事项

  1. 选型参考:若需更高精度(如±1%),可选Zzt更低的型号;若功率超500mW,需换用1W级稳压管(如1N4733);
  2. 功率限制:实际工作电流需控制在41.6mA以内,避免过流损坏;
  3. 正向偏置:稳压管正向导通压降约0.7V,若电路存在正向电流,需计算正向功耗(I×0.7V),避免总功耗超Pd;
  4. 散热设计:SOD-123封装散热面积小,高功率工作时需增加PCB铜箔辅助散热;
  5. 反向电压:使用时反向电压需控制在稳压值附近(避免远超12.7V),否则反向电流骤增损坏器件。

该产品凭借平衡的性能与成本优势,成为小功率稳压场景的高性价比选择。

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