WMSIC Electronic Components

FOSAN BZT52C27

ModelBZT52C27
PackageSOD-123
BrandFOSAN
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
FOSAN BZT52C27
Type
FOSAN
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FOSAN
Electronic Component
BZT52C27
Electronic Component
1
Package
SOD-123
Electronic Component
Zener Diode
Electronic Component
0.032g
Electronic Component
1
Electronic Component
BM0264886285
Diode
1
Power Dissipation(Pd)
500mW
Electronic Component
25.1V~28.9V
Electronic Component
65℃~+150℃
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.

BZT52C27稳压二极管产品概述

BZT52C27是富信半导体(FOSAN)推出的独立式稳压二极管,属于小功率表面贴装器件,核心功能是提供稳定的27V基准电压,适配对体积、功耗敏感的各类电子电路设计。

一、产品核心定位与基础特性

该器件采用独立式封装(无并联/串联其他元件),便于电路灵活集成;标称稳压值27V,最大耗散功率500mW,属于典型小功率稳压管范畴。其核心特性可总结为:低漏电流、宽温范围、紧凑封装,这三个特点使其在精密电路、高密度PCB设计中具备明显优势。

二、关键电气参数详解

BZT52C27的电气参数经过标准化设计,满足工业级及消费电子的常规应用需求,核心参数如下:

  1. 稳压值范围:标称27V,实际工作范围为25.1V~28.9V,偏差控制在合理区间,可满足大多数电路对稳压精度的基本要求;
  2. 反向漏电流:在18.9V反向偏置下,漏电流仅50nA,低漏电流意味着器件自身功耗低、噪声小,适合作为精密基准电压源或低噪声电路的稳压元件;
  3. 耗散功率:最大500mW,理论最大负载电流约18.5mA(500mW÷27V),需注意电路负载不能超过该阈值;
  4. 工作结温范围:-65℃~+150℃,宽温覆盖工业低温(如北方户外设备)和高温(如设备内部散热区)场景,可靠性更高;
  5. 封装类型:采用SOD-123表面贴装封装,尺寸紧凑(常规约3.0mm×1.5mm),适合自动化贴装,有效节省PCB空间。

三、封装与典型应用场景

SOD-123封装是小功率稳压管的常用封装,特点是无引脚/微小引脚设计,贴装密度高,适合小型化电子设备。结合参数特性,BZT52C27的典型应用场景包括:

  • 电源稳压:作为单片机、传感器等小功率模块的供电稳压元件,提供稳定27V电压;
  • 过压保护:并联在电路中,电压超稳压值时击穿导通,保护后端敏感元件;
  • 基准电压源:配合运放、ADC等器件,作为精密电压基准(低漏电流提升精度);
  • 通信设备辅助稳压:在手机、路由器等设备的辅助电路中,实现局部电压稳定。

四、品牌与可靠性说明

FOSAN(富信)是国内专注分立半导体的知名厂商,产品符合RoHS环保标准,参数一致性良好。BZT52C27经过严格可靠性测试,宽温范围内性能稳定,反向漏电流一致性高,适合批量生产质量控制。此外,封装工艺成熟,贴装不易虚焊,降低生产不良率。

五、选型与使用注意事项

为确保稳定工作,使用时需注意:

  1. 负载匹配:避免负载电流超18.5mA,大负载可串联限流电阻或并联多个器件(需注意参数偏差导致的电流不均);
  2. 结温控制:结温不得超150℃,密集贴装时需增加PCB散热面积;
  3. 反向偏置:稳压管需工作在反向击穿区,电路需确保反向电压高于稳压值;
  4. 环境适应性:宽温虽覆盖广,但需避免结露、油污影响绝缘;
  5. 替代选型:高精度需求可选偏差更小的器件,大功率需求可替换1W及以上稳压管。

总结

BZT52C27作为高性价比小功率稳压管,凭借低漏电流、宽温范围、紧凑封装等特点,在消费电子、工业控制、通信等领域广泛适用。参数设计均衡,满足常规稳压需求,是电路设计中替代同规格器件的可靠选择。

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