WMSIC Electronic Components

PANJIT MMSZ5225B_R1_00001

ModelMMSZ5225B_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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
PANJIT MMSZ5225B_R1_00001
Type
SOD-123
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PANJIT
Electronic Component
MMSZ5225B_R1_00001
Electronic Component
1
Package
SOD-123
Electronic Component
Zener Diode
Electronic Component
0.03g
Electronic Component
1
(Zzk)
1.6kΩ
(Zzt)
30Ω
Electronic Component
BM0265431468
Diode
1
Current(Ir)
50uA@1V
Power Dissipation(Pd)
500mW
Electronic Component
2.85V~3.15V
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.

MMSZ5225B_R1_00001 稳压二极管产品概述

一、产品核心身份与基础定位

MMSZ5225B_R1_00001是台湾强茂电子(PANJIT)推出的独立式稳压二极管,属于小功率表面贴装器件。该型号以3V为标称稳压值,适配对电压稳定性要求中等、空间受限的电子电路设计,是消费电子、工业控制、物联网终端等领域的常用基础元件。

二、关键电性能参数解析

1. 稳压特性

标称稳压值3V,稳压范围2.85V~3.15V(偏差±5%),可覆盖多数轻负载电路的电压稳定需求,无需额外校准即可满足一般精度要求。

2. 反向漏电流

Ir=50uA(@1V反向电压),漏电流极小,静态功耗低,尤其适合电池供电设备(如智能手环、蓝牙耳机),可延长电池续航时间。

3. 功率容量

最大耗散功率Pd=500mW,结合稳压值计算,最大允许负载电流约166mA(I=Pd/Vz),满足轻至中等负载场景(如传感器、低功耗MCU供电)。

4. 阻抗特性

  • 动态阻抗Zzt=30Ω(稳压工作点阻抗):可有效抑制负载电流变化对输出电压的影响,稳压线性度良好;
  • 反向击穿前阻抗Zzk=1.6kΩ:击穿特性陡峭,电压钳位响应快,适合过压保护场景。

5. 温度适应性

工作结温范围**-55℃~+150℃**,覆盖工业级温度标准,可在极端环境(如户外传感器、车载辅助电路)下稳定工作。

三、封装特性与工艺兼容性

采用SOD-123表面贴装封装,典型尺寸为2.3mm×1.2mm×1.0mm,体积小巧,适合高密度PCB布局(如智能手表、小型物联网模块)。封装为塑封结构,具备以下优势:

  • 抗机械冲击、湿热性能良好;
  • 兼容回流焊、波峰焊等标准表面贴装工艺(回流焊峰值温度≤260℃,时间≤10s);
  • 手工焊接便捷,适合原型开发或小批量生产。

四、典型应用场景匹配

1. 小型消费电子稳压

智能手环、蓝牙耳机、TWS耳机的辅助电源模块,提供稳定3V参考电压,满足低功耗MCU、加速度传感器的供电需求。

2. 传感器基准电压源

工业温度/压力传感器的模拟前端,3V稳压可提升ADC采样精度,减少环境温度变化对测量结果的影响。

3. IO口过压保护

微控制器(MCU)、通信接口(UART、I2C)的反向过压钳位,防止静电(ESD)或瞬态电压(如电源波动)损坏芯片。

4. 电池供电设备稳压

纽扣电池供电的小型设备(如电子标签、遥控器),低漏电流特性可延长电池寿命,稳定输出电压保障电路正常工作。

五、选型与使用注意事项

  1. 负载限制:实际负载电流需≤160mA(预留10%安全余量),避免超过Pd=500mW导致器件过热;
  2. 精度适配:若需更高稳压精度(如±1%),需结合具体应用筛选器件或串联小功率调整管;
  3. 温度降额:当工作结温超过125℃时,需按 datasheet 降额使用(通常降额至80%功率);
  4. 焊接规范:避免手工焊接温度过高(烙铁头温度≤350℃,焊接时间≤3s),防止损伤封装。

六、品牌与品质背书

强茂电子(PANJIT)是全球知名分立半导体厂商,产品符合RoHS 2.0、REACH等环保标准,批量生产一致性好(稳压范围控制严格),广泛应用于汽车电子、工业控制、消费电子领域,品质可靠性经市场长期验证。

该型号凭借“小体积、低功耗、宽温范围”的核心优势,成为轻负载稳压场景的高性价比选择。

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