WMSIC Electronic Components

FUXINSEMI BZX84C5V1

ModelBZX84C5V1
PackageSOT-23
BrandFUXINSEMI
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
FUXINSEMI BZX84C5V1
Type
FUXINSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FUXINSEMI
Electronic Component
BZX84C5V1
Electronic Component
1
Package
SOT-23
Electronic Component
Zener Diode
Electronic Component
0.03g
Electronic Component
1
(Zzk)
480Ω
(Zzt)
60Ω
Electronic Component
BM0265669333
Diode
1
Current(Ir)
2uA
Power Dissipation(Pd)
300mW
Electronic Component
4.85V~5.36V
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.

BZX84C5V1稳压二极管产品概述

BZX84C5V1是富芯森美(FUXINSEMI)推出的小功率独立式稳压二极管,采用SOT-23(TO-236)表面贴装封装,以5.1V标称稳压值为核心,兼具低漏电流、宽温适应性与紧凑尺寸等优势,可满足消费电子、工业控制、汽车电子等多场景的稳压需求。

一、产品基本定位与核心优势

作为BZX84系列稳压管的典型型号,BZX84C5V1定位为低功耗、宽温型稳压器件,核心优势包括:

  1. 稳压精度适中(4.85V~5.36V范围),兼顾批量一致性与成本控制;
  2. 反向漏电流仅2uA(@2V),待机功耗极低,适配电池供电的便携设备;
  3. 宽工作结温(-55℃~+150℃),可应对极端环境温度变化(如工业车间、汽车舱内);
  4. 小尺寸SOT-23封装,适合高密度PCB布局(如手机主板、小型传感器模块)。

二、核心电气参数详解

BZX84C5V1的关键电气参数直接决定其应用场景,具体解读如下:

  • 稳压值:标称5.1V,实际范围4.85V~5.36V(包含温度漂移与生产偏差),满足多数低压稳压需求;
  • 反向漏电流(Ir):2uA@2V(远低于常规稳压管的10uA级),待机状态下几乎不消耗功率,适合低功耗设计;
  • 耗散功率(Pd):300mW(最大允许功耗),建议实际工作功率不超过额定值的80%(240mW)以保障长期可靠性;
  • 动态阻抗:Zzt=60Ω(测试电流5mA时)、Zzk=480Ω(测试电流1mA时),阻抗越低,稳压性能越稳定(输出电压波动小);
  • 结温范围:-55℃+150℃,覆盖工业级(-40℃+85℃)与汽车级(-40℃~+125℃)温度需求,极端环境下仍能稳定工作。

三、封装与物理特性

BZX84C5V1采用SOT-23(TO-236)表面贴装封装,具有以下物理特点:

  • 尺寸紧凑:典型封装尺寸为2.9mm×1.6mm×1.1mm,引脚间距0.95mm,适配高密度PCB设计(如手机主板、小型传感器模块);
  • 独立式封装:每个器件单独封装,避免电路串扰,便于集成到各类模块;
  • 引脚定义:符合SOT-23标准,通常标记端为阴极(需接电源正极),另外两个引脚为阳极与公共端(具体需参考 datasheet 确认)。

四、典型应用场景

结合参数特点,BZX84C5V1可广泛应用于以下场景:

  1. 便携式消费电子:手机、平板、智能手环的电源稳压电路(为MCU、传感器提供稳定5V左右电压,低Ir减少待机功耗);
  2. 工业控制模块:温度传感器、压力传感器的供电稳压(宽温适应车间-20℃~+60℃温差);
  3. 汽车电子辅助电路:车载USB接口、仪表盘背光电路的稳压(适配汽车启动时的电压波动与-40℃~+85℃环境);
  4. 通信设备射频偏置:WiFi模块、蓝牙模块的射频功放偏置稳压(稳定偏置电压保障信号质量)。

五、选型与使用注意事项

为保障BZX84C5V1的可靠性与性能,需注意以下要点:

  1. 功率降额:实际耗散功率≤240mW(额定值的80%),避免过热损坏;
  2. 串联限流电阻:需根据电源电压与工作电流计算限流电阻(公式:R=(Vcc-Vz)/Iz,Iz建议选5mA~10mA),防止过流烧毁;
  3. 焊接规范:焊接温度≤260℃,单次焊接时间≤5秒,避免损伤封装与内部芯片;
  4. 极性识别:标记端为阴极,需接电源正极,接反会导致器件击穿;
  5. 环境温度:工作时结温不超过150℃,高温环境下需增加散热措施(如PCB铜箔面积)。

六、品牌与品质保障

富芯森美(FUXINSEMI)作为国内专注于半导体分立器件的品牌,BZX84C5V1通过了工业级可靠性测试(如温度循环、湿度老化),可满足量产需求,且供货稳定,性价比突出。

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