WMSIC Electronic Components

YANGJIE BZT52C18S

ModelBZT52C18S
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 BZT52C18S
Type
SOD-323(SC-90)
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
BZT52C18S
Electronic Component
1
Package
SOD-323(SC-90)
Electronic Component
0.029g
Electronic Component
1
Electronic Component
BM0264745524
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.

BZT52C18S稳压二极管产品概述

一、产品基本信息

BZT52C18S是扬杰电子(YANGJIE)推出的一款表面贴装硅稳压二极管,属于BZT52系列通用稳压管范畴。该型号以“18S”标识核心稳压特性,专为小型化、低功耗电子设备的电压基准或过压保护场景设计,采用SOD-323(SC-90)封装,符合工业级可靠性要求,可满足批量生产与复杂环境应用需求。

二、核心电气参数详解

1. 稳压值特性

标称稳压值为18V,实际工作稳压范围覆盖16.8V~19.1V——此范围由制造工艺一致性决定,确保批量应用中电压输出波动可控,无需额外复杂校准即可满足大多数低压稳压场景的精度要求。

2. 反向漏电流控制

在反向电压12.6V(低于标称稳压值) 下,反向漏电流仅100nA,该参数体现了器件反向截止特性优异:低漏电流可有效降低待机功耗,特别适合对功耗敏感的便携式电子设备(如智能手环、蓝牙耳机),避免不必要的能量损耗。

3. 耗散功率与电流容量

最大耗散功率Pd=200mW,结合标称稳压值计算,其最大允许工作电流约为11mA(200mW÷18V≈11.1mA)。电路设计中需匹配合适的限流电阻,避免超过功耗极限导致器件过热损坏,同时保证稳压功能稳定。

4. 动态阻抗特性

  • 测试电流下的动态阻抗Zzt=45Ω:动态阻抗越小,稳压精度越高——该值低说明在额定测试电流下,输出电压波动极小,适合对基准电压精度要求较高的场景(如传感器信号采集);
  • 最大电流下的动态阻抗Zzk=225Ω:此参数保证器件在过载状态下仍能维持基本稳压功能,兼顾精度与可靠性,避免突发过流导致稳压失效。

三、封装与物理特性

该器件采用SOD-323(SC-90)封装,是一款超小型表面贴装封装(典型尺寸约1.6mm×0.8mm×0.6mm),具有以下核心优势:

  • 体积小巧:适配高密度PCB布局,支持智能手表、微型传感器等小型化设备设计;
  • 自动化兼容:表面贴装工艺可直接对接SMT生产线,降低人工成本与安装误差;
  • 引脚清晰:SC-90引脚标识简单,安装时无需复杂对位,提高生产效率。

四、典型应用场景

BZT52C18S因参数适配性强,广泛应用于以下领域:

  1. 便携式电子设备:智能手环、蓝牙耳机的辅助稳压电路,利用低漏电流特性降低待机功耗;
  2. 小型电源模块:作为电压基准或过压保护元件,防止电路因电压波动(如电源纹波)损坏;
  3. 传感器电路:为温度、压力传感器提供稳定的18V基准电压,保证信号采集精度;
  4. 工业控制单元:适应宽温度范围的工作环境,用于低功率控制电路的电压调节(如PLC辅助模块)。

五、环境适应性说明

工作结温范围覆盖**-55℃~+150℃**,此宽温特性使器件可在极端环境下稳定工作,例如:

  • 户外设备(如低温地区的监控摄像头、高温地区的太阳能控制器);
  • 工业现场(如高温车间的温度传感器模块、低温冷库的控制单元);
  • 部分汽车电子辅助电路(需结合具体温度需求验证,如车载小功率传感器)。

综上,BZT52C18S以低功耗、小封装、宽温特性和稳定的稳压性能,成为通用稳压场景的高性价比选择,可满足消费电子、工业控制等多领域的实际需求。

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