WMSIC Electronic Components

MCC MMSZ5246B-TP MMSZ5246B

ModelMMSZ5246B-TP
PackageSOD-123
BrandMCC
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
MCC MMSZ5246B-TP
Type
MCC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MCC
Electronic Component
MMSZ5246B-TP
Electronic Component
1
Package
SOD-123
Electronic Component
Zener Diode
Electronic Component
0.034g
Electronic Component
1
(Zzk)
600Ω
(Zzt)
17Ω
Electronic Component
BM0264926000
Diode
1
Current(Ir)
100nA
Power Dissipation(Pd)
500mW
Electronic Component
65℃~+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.

MMSZ5246B-TP稳压二极管产品概述

一、产品核心身份与定位

MMSZ5246B-TP是美微科(MCC) 推出的独立式表面贴装稳压二极管,属于MMSZ系列小功率稳压管产品线。该产品专为小功率直流电路的电压稳定、过压保护及电压基准场景设计,以高性价比、宽温度适应性和小封装优势,适配消费电子、工业控制、汽车电子(辅助级)等领域的轻量化设计需求。

二、关键电气参数详解

产品核心参数直接决定其应用适配性,以下为关键参数的定义与实际意义:

1. 稳压性能核心参数

  • 标称稳压值(Vz):16V
    反向击穿电压的典型值,是稳压功能的核心指标——当反向电压达到16V左右时,二极管进入反向击穿区,电压基本保持稳定(受动态阻抗影响极小)。

  • 反向漏电流(Ir):100nA @ 12V
    测试条件为反向电压12V(低于稳压值),漏电流仅100nA,说明反向截止状态下漏电极低,可有效减少待机功耗,适合对功耗敏感的便携设备。

  • 动态阻抗(Zzt=17Ω、Zzk=600Ω)

    • Zzt(测试电流下的动态阻抗):反映稳压值随工作电流变化的程度,17Ω的低阻抗意味着电流波动对输出电压影响小,稳压精度较高;
    • Zzk(最小电流下的动态阻抗):600Ω为反向击穿电流较小时的阻抗,提示需保证最小工作电流以维持稳定稳压。

2. 功率与温度参数

  • 最大耗散功率(Pd):500mW
    产品允许的最大功耗,需结合实际工作电流计算(Pd=Vz×Iz),适用于小功率电路(如5mA~30mA电流范围的稳压场景)。

  • 工作结温范围:-65℃~+150℃
    覆盖工业级宽温度范围,可在极端环境(如低温户外、高温设备内部)稳定工作,小功率场景下无需额外散热设计。

三、封装与物理特性

产品采用SOD-123表面贴装封装,具备以下物理优势:

  • 尺寸紧凑:典型尺寸为1.6mm×0.8mm×0.6mm(长×宽×高),可大幅节省PCB空间,适配高密度电路设计;
  • 贴装兼容性:符合SMD自动化贴装标准,支持回流焊、波峰焊工艺,适合批量生产;
  • 环保合规:采用无铅(Pb-free)封装,符合RoHS、REACH等国际环保指令,满足绿色制造要求。

四、典型应用场景

结合参数特性,MMSZ5246B-TP主要适用于以下场景:

  1. 小功率电源稳压:作为电压基准稳定5V/12V系统的辅助节点电压(如单片机参考电压、传感器供电);
  2. 过压保护:并联在敏感电路输入端,当电压超过16V时反向击穿,限制电压至16V左右,保护IC免受过压损坏;
  3. 信号钳位:在模拟信号电路中钳位信号峰值(如音频、传感器信号),防止信号过冲;
  4. 电池充电控制:作为充电电压基准,配合充电管理IC稳定充电截止电压(如16V锂电池组充电保护)。

五、品牌与可靠性优势

美微科(MCC)作为国内专业半导体器件厂商,MMSZ5246B-TP具备以下可靠性保障:

  • 一致性优良:采用成熟工艺生产,参数离散性小,批量应用时性能稳定;
  • 可靠性测试:通过高温存储(150℃/1000h)、温度循环(-65℃~150℃)、湿度测试(85℃/85%RH/1000h)等试验,满足工业级应用要求;
  • 技术支持:提供完整 datasheet 及应用方案,适配客户快速选型与设计。

六、选型参考要点

若需调整或替代,可参考以下要点:

  • 功率升级:若需更大电流稳压,可选Pd≥1W的型号(如MMSZ5246B的功率版本);
  • 精度提升:若需更低动态阻抗(如Zzt<10Ω),可选高精度稳压管系列;
  • 温度范围:若需更高温度(如+175℃),需确认结温参数是否匹配;
  • 封装适配:若需更小封装,可考虑SOD-323;若需插件,可选DO-35封装。

以上概述覆盖了MMSZ5246B-TP的核心特性、参数、应用及选型,可作为电路设计与采购的参考依据。

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