WMSIC Electronic Components

YANGJIE BZT52C27S

ModelBZT52C27S
PackageSOD-323(SC-90)
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 BZT52C27S
Type
SOD-323(SC-90)
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
BZT52C27S
Electronic Component
1
Package
SOD-323(SC-90)
Electronic Component
0.03g
Electronic Component
1
Electronic Component
BM0230692648
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.

BZT52C27S — 27V 200mW 稳压二极管(YANGJIE,SOD-323)

一、产品概述

BZT52C27S 为扬杰(YANGJIE)系列小功率稳压二极管,标称稳压值 27V,稳压值公差范围 25.1V ~ 28.9V,反向漏电流 Ir 为 100nA(在 18.9V 条件下测得),耗散功率 Pd 为 200mW。器件动态阻抗在不同工作点表现为 Zzt ≈ 80Ω(稳态条件)与 Zzk ≈ 300Ω(低电流区),工作结温范围宽,-55℃ ~ +150℃,封装采用 SOD-323 小外形,适合体积受限的便携或板级保护应用。

二、主要电气特性与优点

  • 低漏电流:在高阻抗偏置或计量电路中,低 Ir 有利于降低偏流误差。
  • 适中稳压精度:25.1~28.9V 的范围适合对 27V 近似稳压需求,但非高精度参考器件。
  • 小功耗封装:200mW 的耗散能力适合小电流限流工作,SOD-323 体积小、易于表面贴装。
  • 宽温度范围:-55℃ 到 +150℃ 的结温范围适应工业级环境。

三、典型应用

  • 板级电压钳位与浪涌保护(防止瞬态过压)
  • 小电流参考或偏置供给(如传感器、模拟前端)
  • 便携设备或仪表中的简易稳压电路
  • 通信/控制板的过压保护与电压截断

四、选型与使用建议

  • 功耗余量:SOD-323 的 Pd 为 200mW,实际使用时建议留出裕量(例如在长期或高环境温度下按额定功率的 50%~70% 以内工作),以降低结温并提高可靠性。
  • 限流设计:稳压二极管应配合串联电阻使用以限定电流,避免器件过功耗。
  • 热管理:尽量在 PCB 设计中增加焊盘铜箔以散热,减小结-环境温度上升。
  • 高阻抗电路:若用于高阻抗参考,应注意漏电流对精度的影响;必要时选用漏电更低的型号或改用精密参考源。

五、封装与装配注意

SOD-323 为小型贴片封装,适合自动贴片与回流焊。焊接时按厂商推荐回流曲线控制峰值温度,避免过热;焊盘设计要兼顾电气性能与散热需求。储存与使用应避免潮湿与静电损伤,安装时注意方向性(阴极/阳极标识)。

六、PCB 布局与典型电路要点

在典型钳位电路中,稳压二极管并联在被保护节点与地之间,前置串联限流电阻并在近端放置旁路电容以滤除高频尖峰。布线应尽量短且粗,接地良好以保证稳压稳定与散热效率。

总结:BZT52C27S 以其 27V 稳压值、低漏电与小型 SOD-323 封装,适用于板级稳压、钳位与小电流参考场景。选型时应重视功率余量与热管理,以确保长期稳定可靠运行。

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