WMSIC Electronic Components

YANGJIE BZX584C9V1

ModelBZX584C9V1
PackageSOD-523
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 BZX584C9V1
Type
SOD-523
Minimum package
8000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
BZX584C9V1
Electronic Component
1
Package
SOD-523
Electronic Component
0.011g
Electronic Component
1
Electronic Component
BM0230631411
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.

BZX584C9V1(YANGJIE 扬杰)产品概述

一、主要参数与特性

BZX584C9V1 为独立式小功率稳压二极管,标称稳压值 9.1V,稳压范围 8.5V~9.6V。代表性电气参数包括:反向漏电流 Ir = 200 nA(@7V),动态阻抗 Zzt = 15 Ω,最大耗散功率 Pd = 200 mW。该器件适用于作为低功耗电压基准、波形钳位与基准偏置等场合,具有体积小、漏电低的优点。

二、封装与热管理

封装为 SOD-523,属于超小型贴片封装,利于高密度 PCB 设计与空间受限的便携设备。但需注意:SOD-523 受限于热阻,额定耗散功率 200 mW 为在特定温度与 PCB 散热条件下的极限值。实际设计中应进行功率降额处理,通过增加焊盘铜箔面积或热过孔改善散热,避免长时间接近额定 Pd。

三、典型应用场景

  • 小信号电压基准与偏置源(低速电路、传感器前端)
  • 电压钳位、过压保护与浪涌钳位(配合限流电阻)
  • 模拟电路的参考电平与比较器参考
  • 便携式与电池供电系统中对漏电与功耗敏感的场合

四、选型与设计要点

  • 精度与范围:稳压范围 8.5V~9.6V,若系统需更高精度或温度稳定性,应考虑采用精密基准源替代。
  • 偏置电流:对小信号稳压二极管通常采用 0.5–5 mA 的偏置电流以保证较好稳压特性;动态阻抗 15 Ω 表明电流变化 1 mA 将引起约 15 mV 的电压变化。
  • 最大电流估算:基于 Pd 约可得 Imax ≈ Pd / Vz ≈ 200 mW / 9.1 V ≈ 22 mA(仅为理论极限,实际应留裕量,通常不超过 10–15 mA)。
  • 漏电:Ir = 200 nA(@7V)意味着对电池供电等低功耗设计极为友好。

五、可靠性与封装处理建议

  • 贴装:SOD-523 对回流焊工艺兼容,贴片时注意焊盘设计与焊膏用量以避免热损伤。
  • ESD 与过压保护:尽管为稳压二极管,仍建议在敏感输入端采取适当的防静电与过压限制措施。
  • 存储与搬运:避免潮湿、高温环境存放,遵循厂家包装与回流焊前的烘干建议以防止焊接缺陷。

六、实用电路与示例计算

典型稳压电路为输入串联限流电阻 R 与并联 BZX584C9V1。举例:若 Vin = 12 V,目标在无负载时使稳压二极管工作在 Iz = 5 mA,则 R = (12 − 9.1) / 5 mA ≈ 580 Ω(可选标准值 560 Ω);当负载接入时需同时考虑负载电流与最小 Iz 以保证稳压。电阻额定功耗应按 (Vin − Vz)^2 / R 计算并留裕量。

结束语:BZX584C9V1(YANGJIE)以其小型 SOD-523 封装、低漏电与适中的稳压特性,适合对尺寸与功耗敏感的低功率应用。在实际设计中,应结合 PCB 散热能力与所需稳压精度合理选型与功率降额,以确保长期可靠工作。若需更详细的温度系数、典型 Iz 下的稳压曲线与封装尺寸,请参考厂商完整数据手册。

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