WMSIC Electronic Components

YANGJIE BZT52C24

ModelBZT52C24
PackageSOD-123
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 26+

Available for RFQ

Technical data

Product details

13 specifications

Core information

Product name
YANGJIE BZT52C24
Type
SOD-123
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
BZT52C24
Electronic Component
1
Package
SOD-123
Electronic Component
0.033g
Electronic Component
1
Electronic Component
BM0264745602
Electronic Component
Electronic Component
Electronic Component
3000

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

BZT52C24(扬杰)— SOD-123 封装 24V 稳压二极管 产品概述

一、产品简介

BZT52C24 为单只独立式稳压(齐纳)二极管,标称稳压值 24V,额定耗散功率 0.5W,封装为 SOD-123,品牌:YANGJIE(扬杰)。该器件适用于对体积、成本和简单稳压要求较高的低功耗电路,用作基准稳压、整流后分压补偿或瞬态电压钳位等场合。

二、主要电气参数

  • 稳压值(标称):24V
  • 稳压值范围:22.8V ~ 25.6V(器件间允许公差)
  • 反向电流 Ir:100 nA @ 16.8V(表征在较低偏压下的漏电性能)
  • 最大耗散功率 Pd:500 mW(环境温度和散热条件限制下的安全最大稳压功率)
  • 阻抗:Zzt = 70 Ω(测试点处的小信号阻抗);Zzk = 250 Ω(拐点区阻抗,影响启动和低电流区的稳压特性)
  • 封装:SOD-123(表面贴装,小体积)

三、性能要点与设计暗示

  • 稳压精度受器件批次与工作电流影响,22.8–25.6V 的范围说明在不同电流和温度下有一定漂移,应在设计时考虑余量。
  • 低漏电(100 [email protected])利于高阻抗电路或需低静态功耗的应用。
  • Pd=0.5W 决定了最大允许运行电流:Iz_max ≈ Pd / Vz = 0.5 W / 24 V ≈ 20.8 mA。长期工作建议留有裕度,通常取 Iz 在 5–15 mA 范围以兼顾稳定性与寿命。
  • Zzt 与 Zzk 表明在测试电流附近动态阻抗较低(调节性能好),但在接近拐点时阻抗变大,低电流下稳压能力下降,应避免长期工作在拐点区。

四、典型电路与计算示例

常见用法为肖特基限流+齐纳并联作为基准或稳压源:

  • 计算串联限流电阻 R:R = (Vs - Vz) / Iz。
    例如:Vs = 30V,目标 Iz = 10 mA,则 R = (30−24) / 0.01 = 600 Ω;限流电阻功耗 Pr = (Vs − Vz) × Iz = 6 V × 0.01 A = 0.06 W。
  • 若意图接近最大耗散(不建议长期如此),Iz ≈ 20 mA 时器件自身耗散接近 0.48 W,应考虑降额和散热措施。

五、封装与工艺注意

  • SOD-123 为小型表贴封装,适合自动贴装与回流焊工艺。焊接时遵循厂商回流曲线,避免过高温度或长时间加热导致封装与电性退化。
  • 由于 Pd 受 PCB 散热影响明显,若需靠近额定功耗运行,应在 PCB 上增加铜箔面积以增强散热。
  • 建议按静电防护规范操作与储存(ESD 类敏感器件)。

六、应用场景与选型建议

  • 适用于 24V 工业电源局部稳压、仪表基准、保护钳位、电池管理与通信设备等场合。
  • 选型时关注:最大工作电流(不要超过 Pd 限值)、工作环境温度、所需稳压精度以及封装尺寸对 PCB 布局的适配。若需要更高功率或更精密参考,应考虑更大封装或专用参考源。

总结:BZT52C24(扬杰,SOD-123)为一款适合空间受限、功耗中等的 24V 齐纳稳压器件。合理选取工作电流并做好 PCB 散热设计,可在多种低成本稳压与保护电路中得到可靠应用。

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