WMSIC Electronic Components

PANJIT MMSZ5249B_R1_00001

ModelMMSZ5249B_R1_00001
PackageSOD-123
BrandPANJIT
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
PANJIT MMSZ5249B_R1_00001
Type
PANJIT
Minimum package
3000

Technical parameters

Electronic Component
PANJIT
Electronic Component
MMSZ5249B_R1_00001
Electronic Component
1
Package
SOD-123
Electronic Component
Zener Diode
Electronic Component
0.03g
Electronic Component
1
(Zzk)
600Ω
(Zzt)
23Ω
Electronic Component
BM0264815102
Diode
1
Current(Ir)
100nA@14V
Power Dissipation(Pd)
500mW
Electronic Component
18.05V~19.89V
Electronic Component
55℃~+150℃
Electronic Component
3000

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

MMSZ5249B_R1_00001 稳压二极管产品概述

一、产品基本定位与品牌背景

MMSZ5249B_R1_00001是台湾强茂(PANJIT)半导体推出的独立式表面贴装稳压二极管,属于小功率稳压器件系列,专为需要稳定基准电压、过压保护的电子电路设计。强茂作为深耕半导体领域数十年的厂商,其产品以高可靠性、宽温适应性著称,该型号符合工业级及消费电子的主流应用标准。

二、核心电气参数详细说明

该型号的电气性能参数经过严格校准,关键指标如下:

  1. 稳压特性:标称稳压值19V,实际工作稳压范围为18.05V~19.89V,满足大多数18~20V电压段的稳压需求,稳压精度符合常规工业级标准;
  2. 反向漏电流:在反向电压14V时,漏电流仅为100nA,远低于同类产品平均水平,有效降低电路待机功耗,适合电池供电设备;
  3. 功率容量:最大耗散功率(Pd)为500mW,支持的最大稳压电流约为26mA(I=Pd/Vz=500mW/19V),可覆盖中小功率稳压场景;
  4. 阻抗特性:动态阻抗(Zzt)为23Ω(稳压工作点阻抗),阻抗低且稳定,保证输出电压波动小;反向击穿前阻抗(Zzk)为600Ω,导通切换平稳,避免电压尖峰;
  5. 温度适应性:工作结温范围为**-55℃~+150℃**,可适应极端低温(如户外工业现场)和高温(如车载或高功率密度电路)环境。

三、封装与物理特性

该型号采用SOD-123表面贴装封装,具有以下特点:

  • 小型化设计:封装尺寸紧凑(常规SOD-123为1.6mm×0.8mm×0.6mm),适合高密度PCB布局,满足便携式设备、小型模块的空间需求;
  • 贴装兼容性:引脚设计符合自动贴装(SMT)工艺,可适配常规贴片机生产,生产效率高;
  • 环保合规:符合RoHS无铅标准,不含铅、镉等有害物质,满足全球环保法规要求;
  • 机械可靠性:封装结构抗机械应力,可承受振动、冲击等环境,适合工业、汽车电子等对可靠性要求高的场景。

四、典型应用场景

MMSZ5249B_R1_00001的参数特性使其适配多种电子领域:

  1. 消费电子:便携式设备(如智能手机、智能手环)的电源稳压、信号钳位,低漏电流可延长电池续航;
  2. 工业控制:PLC模块、传感器接口的基准电压源,宽温范围适应车间、户外现场的温度变化;
  3. 通信设备:基站、路由器的电源滤波稳压,稳定19V左右的工作电压,保证信号传输稳定;
  4. 汽车电子(辅助场景):车载传感器、低功率辅助电源的稳压,-55℃低温适应北方冬季环境。

五、选型与使用注意事项

  1. 功率匹配:实际工作电流需控制在最大稳压电流(约26mA)以内,避免超过500mW耗散功率导致器件损坏;
  2. 稳压值校准:若需更高精度稳压,可结合电路中串联/并联电阻微调,或搭配运放构成反馈稳压电路;
  3. 焊接要求:SOD-123封装需注意焊接温度(建议回流焊温度不超过260℃),避免高温损坏器件;
  4. 反向使用:稳压二极管需反向接入电路(阴极接高电位),正向接入无稳压作用,需注意极性标识。

六、产品可靠性优势

该型号通过强茂的严格可靠性测试,包括:

  • 温度循环测试(-55℃~+150℃循环1000次);
  • 反向漏电流老化测试(保证长期工作漏电流稳定);
  • 机械振动测试(符合IEC 60068-2-6标准),可靠性符合工业级产品要求。

综上,MMSZ5249B_R1_00001是一款性能稳定、低功耗、宽温适配的小功率稳压二极管,适合多种电子电路的稳压、过压保护需求。

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