WMSIC Electronic Components

PANJIT MMSZ5245B_R1_00101

ModelMMSZ5245B_R1_00101
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
PANJIT MMSZ5245B_R1_00101
Type
PANJIT
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PANJIT
Electronic Component
MMSZ5245B_R1_00101
Electronic Component
1
Package
SOD-123
Electronic Component
Zener Diode
Electronic Component
0.03g
Electronic Component
1
(Zzk)
600Ω
(Zzt)
16Ω
Electronic Component
BM0265820347
Diode
1
Current(Ir)
100nA@11V
Power Dissipation(Pd)
500mW
Electronic Component
14.25V~15.75V
Electronic Component
55℃~+150℃

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

强茂PANJIT MMSZ5245B_R1_00101稳压二极管产品概述

一、产品核心定位与基本属性

MMSZ5245B_R1_00101是台湾强茂电子(PANJIT)推出的小功率表面贴装稳压二极管,采用SOD-123紧凑型封装,核心功能是为电路提供稳定的15V(标称值)直流电压,适用于对体积、功耗有严格要求的电子设备,是消费电子、工业控制、通信等领域的基础稳压器件。

二、关键电气参数深度解析

该器件参数经过标准化设计,满足多场景稳压需求,核心参数如下:

1. 稳压值规格

  • 标称稳压值:15V,为电路设计提供明确目标电压;
  • 稳压范围:14.25V~15.75V,覆盖±5%工艺公差,符合常规稳压管精度等级,可满足大多数非高精度稳压场景。

2. 反向漏电流

反向漏电流(Ir)为100nA@11V,该参数是稳压管未击穿时的反向电流,低漏电流意味着非稳压状态下自身功耗极低,适合电池供电等低功耗设备,避免不必要的电能损耗。

3. 耗散功率与工作电流

  • 最大耗散功率(Pd):500mW,结合标称稳压值可计算出最大工作电流约33.3mA(Pd/Vz=500mW/15V),适用于小电流场景(如单片机IO口、传感器供电);
  • 实际工作电流需控制在33.3mA以内,超出需串联限流电阻,避免过热损坏。

4. 动态阻抗

  • 测试电流下动态阻抗(Zzt):16Ω,反映正常工作电流下的稳压能力,阻抗越低,输出电压受负载变化影响越小,稳压特性越稳定;
  • 拐点电流下动态阻抗(Zzk):600Ω,用于评估器件在小电流启动阶段的稳压表现。

5. 工作温度范围

工作结温为**-55℃~+150℃**,覆盖工业级、汽车级温度需求,可在极端环境(如户外低温、工业高温现场)长期稳定工作,无需额外温度补偿。

三、封装形式与典型应用场景

1. SOD-123封装特点

SOD-123是紧凑型表面贴装封装,尺寸约2.0mm×1.25mm×1.0mm,适合高密度PCB设计,可实现多器件密集布局,降低设备体积;贴片封装便于自动化生产,提高组装效率。

2. 典型应用场景

  • 消费电子:手机、平板、智能穿戴的辅助稳压(如按键背光、传感器供电);
  • 工业控制:PLC输入输出模块、小型传感器节点的电源稳压(温度/压力传感器供电);
  • 通信设备:小型路由器、无线AP的电源滤波稳压;
  • 汽车电子:车载小模块(USB充电口、仪表盘辅助电路)稳压(需结合整车温度验证)。

四、可靠性与使用注意事项

1. 可靠性保障

强茂作为知名半导体厂商,该产品符合IEC 61000、JEDEC等国际标准,经过温度循环、湿度老化、振动测试,长期工作稳定性可靠。

2. 使用注意事项

  • 极性识别:需反向接入(阴极接高电位、阳极接低电位),接反无稳压效果甚至损坏;
  • 限流电阻计算:若输入电压Vin、稳压值Vz、工作电流Iz,则R=(Vin-Vz)/Iz,确保Iz≤33.3mA;
  • 温度影响:硅稳压管稳压值随温度略有变化(约+2mV/℃),高精度场景需补偿;
  • 散热设计:高密度布局时需注意相邻器件散热,避免局部过热。

五、总结

MMSZ5245B_R1_00101是高性价比小功率稳压二极管,兼具宽温、低漏电流、紧凑封装等特点,覆盖消费电子、工业控制等核心需求,是电子设计中常用的稳压器件选型之一。

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