WMSIC Electronic Components

YANGJIE BZX584C3V3

ModelBZX584C3V3
PackageSOD-523(SC-79)
BrandYANGJIE
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

13 specifications

Core information

Product name
YANGJIE BZX584C3V3
Type
SOD-523(SC-79)
Minimum package
8000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
BZX584C3V3
Electronic Component
1
Package
SOD-523(SC-79)
Electronic Component
0.011g
Electronic Component
1
Electronic Component
BM0230631412
Electronic Component
Electronic Component
Electronic Component
8000

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

BZX584C3V3 稳压二极管(扬杰)产品概述

一、产品简介

BZX584C3V3 是扬杰(YANGJIE)生产的一款独立式小信号稳压二极管,标称稳压值 3.3V,适用于空间受限且要求低功率参考或过压钳位的场合。器件采用 SOD-523 超小封装,体积小、经济实用,典型用于电压基准、低电流稳压、信号线保护与电平移位等应用。

二、主要规格参数

  • 稳压值(标称):3.3V
  • 稳压范围:3.1V ~ 3.5V(偏差允差范围)
  • 反向电流 Ir:5μA @ 1V(参数按厂方规定的测试点)
  • 阻抗 Zzt:95Ω(在指定测试电流下的动态阻抗)
  • 耗散功率 Pd:200mW(器件最大耗散,实际应用需留裕量)
  • 二极管配置:独立式(单个稳压单元)
  • 封装:SOD-523(片式表贴)
  • 品牌:YANGJIE(扬杰)

三、典型应用场景

  • 作为低成本、低功耗的 3.3V 参考源或偏置电压
  • 电源输入的过压钳位与瞬态抑制(低能量)
  • 信号接口电平移位与保护(例如 GPIO 保护)
  • 模拟电路中的偏置与温度补偿电路(非高精度场合)
  • 消费类电子、便携设备、传感器模块等对体积和成本敏感的产品

四、设计与使用注意事项

  1. 功率与电流计算:器件最大耗散 Pd = 200mW,可估算最大稳压电流 Iz(max) ≈ Pd / Vz ≈ 200mW / 3.3V ≈ 60mA。但由于 SOD-523 封装散热能力有限,建议典型工作电流远低于此值(例如单毫安级到十毫安级),以避免温升导致稳压点漂移或寿命下降。
  2. 串联限流电阻:在用作稳压源时需串联电阻 Rs,Rs = (Vin − Vz) / Iz。举例:若 Vin = 5V,目标 Iz = 5mA,则 Rs ≈ (5 − 3.3)/0.005 ≈ 340Ω;限流电阻的功耗 Pr = (Vin − Vz) × Iz,应按电阻额定功率选择。
  3. 动态阻抗影响:本型号 Zzt = 95Ω,说明在稳压电流变化或负载波动时输出电压会有一定摆幅,故不适合要求高精度低噪声的参考电源,若需精密参考建议选用基准芯片。
  4. 反向漏电:Ir 在 1V 条件下为 5μA,低电压情况下仍有少量泄漏电流,需在高阻抗电路或电池应用中考虑其影响。
  5. 封装与散热:SOD-523 为微型表贴封装,焊盘和邻近铜箔对散热影响显著。布板时可增大焊盘铜面积或加倒焊垫以改善散热;同时注意避免靠近高温元件。
  6. 极性与封装识别:安装时留意阴极标识(通常有带状标记),错误极性会损坏器件或不能稳压。按厂方回流焊工艺规范进行焊接,避免超过推荐温度曲线。

五、封装与采购信息

  • 封装:SOD-523,适合批量贴装与自动化生产。
  • 品牌型号:YANGJIE BZX584C3V3,常见为盘带卷装方式供货。
  • 选型建议:若项目对稳压精度、噪声或温漂有较高要求,建议比较低阻抗或高精度系列稳压管/基准源;若追求成本和体积优先,BZX584C3V3 是合适的选择。

总结:BZX584C3V3 提供一种小体积、低成本且适用于低电流稳压与保护的解决方案。在设计时应综合考虑封装散热、动态阻抗和反向泄漏等因素,合理限定稳压电流并采用合适的 PCB 布局与限流措施,以获得稳定、可靠的性能表现。

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