WMSIC Electronic Components

MDD BZT52C7V5S

ModelBZT52C7V5S
PackageSOD-323
BrandMDD
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
MDD BZT52C7V5S
Type
MDD
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MDD
Electronic Component
BZT52C7V5S
Electronic Component
1
Package
SOD-323
Electronic Component
Zener Diode
Electronic Component
±5%
Electronic Component
0.026g
Electronic Component
1
(Zzt)
30Ω
Electronic Component
BM0264866549
Diode
1
Current(Ir)
500nA
Power Dissipation(Pd)
200mW
Electronic Component
7V~7.9V
Electronic Component
Electronic Component

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

BZT52C7V5S稳压二极管产品概述

一、核心参数解析

BZT52C7V5S是一款小型稳压二极管,核心参数围绕稳压性能、功耗、漏电流等关键指标设计,具体解析如下:

  • 稳压值与精度:标称稳压值为7.5V,实际工作范围在7V~7.9V之间,精度±5%。这意味着器件在反向偏置时,输出电压会稳定在标称值的±5%区间内,能满足大多数低功率电路的稳压需求。
  • 反向漏电流(Ir):仅500nA,属于极低漏电流水平。漏电流越小,器件在待机或低功耗状态下的额外功耗越低,尤其适合电池供电的便携式设备。
  • 最大耗散功率(Pd):200mW。这是器件允许承受的最大功耗,超过该值会导致过热损坏。结合稳压值计算,最大允许工作电流约为26.6mA(200mW÷7.5V),选型时需匹配负载电流范围。
  • 动态阻抗(Zzt):30Ω。动态阻抗反映稳压输出随电流变化的稳定性,阻抗越小,电压波动越小。30Ω的阻抗在小型稳压管中表现优异,能有效抑制负载电流变化带来的电压波动。

二、品牌与封装说明

  • 品牌背景:该器件由MDD(专注半导体元器件制造的厂商)出品,其产品以高可靠性、性价比著称,广泛应用于消费电子、物联网等领域,符合RoHS环保标准。
  • 封装类型:采用SOD-323超小型表面贴装封装,尺寸约1.6mm(长)×0.8mm(宽)×0.6mm(高),占用PCB面积极小,适合高密度贴装。封装支持回流焊、波峰焊工艺,生产兼容性好,是小型化设备的理想选择。

三、典型应用场景

BZT52C7V5S的小封装、低功耗特性,使其适配多种低功率应用:

  1. 智能穿戴设备稳压:如智能手环、蓝牙耳机的传感器供电。小封装可嵌入紧凑空间,低漏电流不额外消耗电池电量,7.5V稳压值能为心率、温湿度传感器提供稳定工作电压。
  2. 物联网节点基准电压:无线传感器节点需稳定基准电压保证测量精度,该器件的低动态阻抗可输出稳定电压,且低功耗适合电池供电的长期运行。
  3. 过压保护电路:用于单片机IO口、锂电池充电电路的过压防护。当电压波动超过稳压值时,器件反向击穿钳位电压,保护后端电路不受损坏。
  4. 小型开发板稳压:辅助开发板为单片机、外设提供稳定电压,封装小不影响开发板紧凑设计,适合快速原型验证。

四、选型注意事项

使用前需关注以下要点,避免性能不匹配:

  1. 功耗匹配:实际工作电流需控制在26.6mA以内(Pd≤200mW),若负载电流较大,需更换更高功耗的稳压管(如Pd=500mW的型号)。
  2. 精度需求:若应用需更高精度(如±1%),该器件±5%的精度无法满足,需选择同系列高精度型号(如BZT52C7V5T)。
  3. 焊接工艺:SOD-323封装尺寸小,焊接时需遵循回流焊温度曲线(建议峰值温度240℃~250℃),避免温度过高导致封装变形。
  4. 反向偏置确认:稳压二极管需工作在反向偏置状态,正向偏置会导致器件损坏,安装时需注意极性标识。

总结

BZT52C7V5S稳压二极管凭借小型化、低功耗、稳定稳压的优势,成为智能穿戴、物联网、便携式电子等领域的实用选择,尤其适合对空间和功耗敏感的低功率电路设计。

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