WMSIC Electronic Components

CJ BZX584C5V1

ModelBZX584C5V1
PackageSOD-523
BrandCJ
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
CJ BZX584C5V1
Type
CJ
Minimum package
8000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
CJ
Electronic Component
BZX584C5V1
Electronic Component
1
Package
SOD-523
Electronic Component
Zener Diode
Electronic Component
0.011g
Electronic Component
1
(Zzk)
480Ω
(Zzt)
60Ω
Electronic Component
BM0227654060
Diode
1
Current(Ir)
2uA
Power Dissipation(Pd)
150mW
Electronic Component
4.8V~5.4V
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.

BZX584C5V1 产品概述

一、产品简介

BZX584C5V1(标称稳压值 5.1V)为独立式硅稳压二极管,厂商:CJ(江苏长电/长晶),封装为 SOD-523。该器件为低功耗、小体积的稳压/基准和浪涌钳位器件,适合对空间和成本敏感的消费电子及便携设备的局部稳压、参考与保护场合。

二、主要电气参数

  • 稳压值(标称):5.1V;允许范围:4.8V ~ 5.4V。
  • 工作结温范围:-55℃ ~ +150℃。
  • 最大耗散功率 Pd:150 mW(器件级)。按 Pd 与 Vz 估算最大连续电流 Iz_max ≈ 150mW / 5.1V ≈ 29.4 mA,但考虑 SOD-523 的散热受限,实际设计中应显著降额(见选型建议)。
  • 反向电流 Ir:2 μA(典型/最大值,测量条件见原厂 Datasheet)。
  • 阻抗指标:Zzk = 480 Ω,Zzt = 60 Ω。两项表示在不同测试点下的稳压动态阻抗,Zzt 相对较低时稳压性能更好,Zzk 较大表明在拐点/低电流区的响应较弱。

三、封装与热性能

SOD-523 是超小型表面贴装封装,适合高密度 PCB 布局,但热阻较大、功耗承载能力有限。150 mW 的耗散为器件极限值,实际应用需做热仿真或采取电流限流与间歇工作方式,避免长期在接近 Pd 的条件下使用以防结温升高影响可靠性。

四、典型应用场景

  • 低功耗电压参考与局部稳压(例如模拟参考、ADC 旁路)。
  • 输入浪涌或反向保护(作为钳位元件限制瞬态电压)。
  • 基本偏置与电路去耦,替代小型三端稳压或串联电阻+稳压管方案。
  • 便携式/可穿戴设备、通信模块、传感器节点等对面积与成本敏感的系统。

五、选型与使用建议

  • 电流选择:稳压二极管在“数 mA”范围内工作时稳压特性与动态阻抗较优。若需持续较大电流,应选择更大功率封装或并联器件(并联时注意电流均分问题)。
  • 限流设计:采用串联电阻 R = (Vin - Vz) / Iz 计算并留有裕量;考虑启动、过载与温度漂移情况。
  • 温度与功耗降额:在高环境温度或限制散热的 PCB 布局中,应按结温升高进行 Pd 降额设计。
  • 噪声与阻抗:对精密参考吸收噪声场合,可选用低 Zzt 器件或增加滤波网络;Zzk 较大时在低电流区稳压精度下降。

六、封装、焊接与检验注意

  • SOD-523 为微型贴片,贴装时注意回流曲线控制与焊盘设计,避免过热和机械应力。
  • 制程与仓储注意防潮处理(按 J-STD-020);长期储存前保持原包装。
  • 检验时按 Datasheet 测量 Vz(在规定测试电流下)、Ir(反向电压条件下)与结温特性,必要时做温度循环与应力试验以验证可靠性。

总结:BZX584C5V1 是一款适合低功耗、小体积应用的 5.1V 稳压二极管,适用于局部稳压、参考与浪涌钳位。设计时需充分考虑 SOD-523 的热限制与稳压二极管的电流工作区,合理限流与降额可获得稳定可靠的性能。有关更详细的测试条件和曲线,请参考厂商完整 Datasheet。

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