WMSIC Electronic Components

MDD BZT52C16S

ModelBZT52C16S
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
MDD BZT52C16S
Type
MDD
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MDD
Electronic Component
BZT52C16S
Electronic Component
1
Package
SOD-323
Electronic Component
Zener Diode
Electronic Component
0.028g
Electronic Component
1
(Zzt)
40Ω
Electronic Component
BM0264463827
Diode
1
Current(Ir)
100nA@12V
Power Dissipation(Pd)
200mW
Electronic Component
15.3V~17.1V
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.

BZT52C16S稳压二极管产品概述

BZT52C16S是MDD品牌推出的独立式小功率稳压二极管,以16V标称稳压值为核心,适配SOD-323超小型表面贴装封装,兼顾低功耗、小体积与基础稳压性能,广泛应用于便携式电子、低功耗MCU电路等场景。

一、核心身份与品牌定位

作为MDD稳压管系列的常规型号,BZT52C16S属于通用型小功率稳压器件,采用独立式结构(单管封装),可灵活搭配限流电阻实现稳压功能。MDD作为专业半导体厂商,该系列产品以一致性、稳定性为核心优势,适合批量工业与消费电子应用。

二、关键电参数深度解析

BZT52C16S的电参数围绕“小功率、低漏电流、基础稳压”设计,核心参数的实际意义如下:

1. 稳压值特性

  • 标称稳压值(Vz):16V:是器件反向击穿稳压区的典型工作电压,反映其核心稳压能力;
  • 稳压范围:15.3V~17.1V:覆盖±4.375%~+6.875%的精度范围(以16V为基准),属于常规精度稳压管,满足多数对稳压值无极端精准要求的场景(如辅助基准、过压保护)。

2. 反向漏电流(Ir)

  • 100nA@12V:当反向电压为12V(低于标称稳压值)时,反向漏电流仅0.1μA——这一参数是低功耗设计的关键:漏电流越小,器件在截止状态下的功耗越低,尤其适合电池供电的便携式设备(如智能手环、蓝牙耳机)。

3. 耗散功率(Pd)

  • 200mW:最大允许功耗,对应小功率应用场景(如小电流稳压、信号保护)。实际使用时需通过“限流电阻+工作电流”计算功耗(公式:P = (Vin - Vz) × Iz),需确保P ≤ 200mW(建议留20%~30%裕量,避免过热损坏)。

4. 动态阻抗(Zzt)

  • 40Ω:稳压区的交流阻抗,反映稳压效果的稳定性——阻抗越小,输出电压受电流波动的影响越小。40Ω的动态阻抗属于小功率稳压管的常规水平,可满足多数基础稳压需求(如给传感器、MCU提供稳定参考电压)。

三、封装与物理特性

BZT52C16S采用SOD-323超小型表面贴装封装,核心特性:

  • 尺寸紧凑:封装尺寸约1.6mm×0.8mm(长×宽),厚度约0.6mm,适合高密度PCB设计(如智能穿戴、小型物联网设备);
  • 焊接兼容性:支持回流焊(温度上限260℃,时间≤10秒)、波峰焊(温度上限240℃,时间≤5秒),适配常规SMT产线;
  • 机械强度:封装采用陶瓷/塑料复合结构,可承受常规振动与冲击,满足消费电子的可靠性要求。

四、典型应用场景

结合参数特性,BZT52C16S的核心应用场景包括:

1. 便携式电子设备稳压

  • 如蓝牙耳机、智能手环的辅助电源稳压:电池输出电压波动时,通过稳压管稳定16V参考电压,保障传感器、蓝牙模块的稳定工作;低漏电流(100nA)可降低待机功耗。

2. 低功耗MCU电路基准

  • 给单片机(如STM32L系列)、低功耗传感器提供16V电压基准:动态阻抗40Ω可抑制电流波动带来的电压变化,提升电路精度。

3. 小型信号电路过压保护

  • 如音频信号、传感器信号的过压防护:当信号电压意外超过16V时,稳压管反向击穿导通,将电压钳位在15.3~17.1V范围内,保护后端器件;低漏电流不影响正常信号传输。

4. 小功率直流电源稳压

  • 如5V/9V输入转16V输出的小电流稳压电路(需搭配限流电阻):适用于LED驱动、小型继电器控制等小功率场景,200mW功耗满足需求。

五、选型与使用注意事项

  1. 功率裕量计算:实际工作功耗需低于200mW,举例:若Vin=18V、Vz=16V,则Iz最大允许值为100mA(200mW/(18V-16V)),使用时需通过限流电阻将Iz控制在100mA以内;
  2. 精度匹配:若电路需要16V±2%的精准稳压,需筛选稳压值在15.6816.32V范围内的器件(BZT52C16S的范围15.317.1V需针对性筛选);
  3. 焊接操作:SOD-323封装极小,焊接时需避免烙铁头直接接触封装体,建议使用热风枪或细烙铁头,控制温度与时间; 4.存储条件:常温存储(温度-55℃~150℃),避免受潮,开封后建议1年内使用完毕。

综上,BZT52C16S是一款高性价比的小功率稳压二极管,以小体积、低漏电流、基础稳压性能为核心,适配多种便携式与低功耗电子场景,是消费电子、物联网设备的常用选型之一。

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