WMSIC Electronic Components

Jingdao Microelectronics MM1Z18W

ModelMM1Z18W
PackageSOD-123W
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 MM1Z18W
Type
Jingdao Microelectronics
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic
Electronic Component
MM1Z18W
Electronic Component
1
Package
SOD-123W
Electronic Component
Zener Diode
Electronic Component
0.034g
Electronic Component
1
(Zzt)
45Ω
Electronic Component
BM0265390942
Diode
Electronic Component
Current(Ir)
100nA
Power Dissipation(Pd)
500mW
Electronic Component
16.8V~19.1V
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.

MM1Z18W稳压二极管产品概述

一、产品核心定位

MM1Z18W是晶导微电子推出的独立式稳压二极管,主打18V标称稳压值,采用小型化SOD-123W表面贴装封装,专为对尺寸、功耗及环境适应性要求较高的电子电路设计。该器件通过精准的稳压参数与宽温特性,可稳定实现18V电压参考或钳位功能,适配便携设备、工业控制、通信等多领域应用场景。

二、关键电气参数详解

1. 稳压值与精度

标称稳压值18V,实际工作范围为16.8V~19.1V,既满足多数电路对稳压精度的基本需求,又预留一定裕量适配负载波动或温度变化,避免因参数偏差导致电路异常。

2. 反向漏电流

反向偏置电压13V时,漏电流仅100nA(纳安级),远低于常规稳压管的漏电流水平。低漏电流可有效降低电路静态功耗,尤其适合电池供电的便携设备(如智能手表、蓝牙耳机),延长电池续航时间。

3. 耗散功率与工作电流

最大允许耗散功率500mW,结合18V稳压值可推算出最大工作电流约27.8mA(公式:(I_{max} = P_d / V_z)),能覆盖中小功率电路的稳压需求(如传感器信号调理、电源参考)。

4. 动态阻抗

典型动态阻抗45Ω,该参数反映稳压管对负载电流变化的响应能力——阻抗越低,负载电流波动时输出电压的变化越小,稳压性能更稳定。例如,当负载电流变化1mA时,输出电压波动仅约45mV,满足多数电路的稳压精度要求。

5. 宽温工作范围

结温范围覆盖-55℃~+150℃,符合工业级器件的宽温要求,可在极端环境(如户外设备、高温车间、低温存储)中长期稳定工作,无需额外的温度补偿电路。

三、封装与可靠性设计

MM1Z18W采用SOD-123W表面贴装封装,具有三大核心优势:

  • 小型化:封装尺寸紧凑(典型尺寸约2.9mm×1.6mm×1.0mm),可大幅节省PCB布局空间,适配便携电子设备的轻薄化设计;
  • 焊接兼容性:符合表面贴装工艺标准,支持回流焊、波峰焊等常规批量生产工艺,焊接良率高;
  • 耐环境性:封装材料耐温、耐湿性能优异,与器件宽温工作范围匹配,可抵抗潮湿、粉尘等恶劣环境影响,提升长期可靠性。

四、典型应用场景

  1. 便携电子设备:智能手机、智能手表、蓝牙耳机等电池供电产品,利用其小封装、低漏电流特性,实现电源电压稳定参考或过压保护;
  2. 工业控制电路:PLC模块、传感器信号调理电路,依赖-55℃~+150℃宽温范围,在极端温度下保持稳压精度;
  3. 通信设备:路由器、基站的信号收发电路,低漏电流可避免对微弱信号的干扰,18V稳压值适配通信电源的电压等级;
  4. 电源模块:作为开关电源或线性电源的电压参考元件,或用于过压钳位保护,防止后级电路因电压波动损坏。

五、品牌与品质保障

晶导微电子作为国内半导体器件领域的专业厂商,MM1Z18W严格遵循国际电工委员会(IEC)及国内电子行业标准(GB)生产,参数一致性好,批量供货稳定。器件出厂前经过全参数测试,确保每批次产品符合标称规格,可满足客户对可靠性的要求。

该器件凭借精准稳压、低功耗、宽温特性及小型化封装,成为中小功率电路稳压/参考的高性价比选择。

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