WMSIC Electronic Components

FOSAN BZT52C12

ModelBZT52C12
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 BZT52C12
Type
FOSAN
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FOSAN
Electronic Component
BZT52C12
Electronic Component
1
Package
SOD-123
Electronic Component
Zener Diode
Electronic Component
0.032g
Electronic Component
1
Electronic Component
BM0264886283
Diode
1
Current(Ir)
100nA
Power Dissipation(Pd)
500mW
Electronic Component
11.4V~12.7V
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.

BZT52C12稳压二极管产品概述

BZT52C12是FOSAN(富信) 推出的一款独立式稳压二极管,专为低功耗、空间受限的电子电路设计,核心提供12V稳定电压基准,兼具小封装、宽温适应、低漏电流等特性,广泛适配消费电子、工业控制等领域的稳压需求。

一、产品定位与核心特性

BZT52C12属于齐纳稳压二极管范畴,采用独立式封装设计,每个器件单独实现稳压功能,电路设计灵活度高。其核心特性聚焦于小功率稳压场景,针对便携设备、小型模块的电压基准需求优化,具体包括:

  • 12V标称稳压值,覆盖11.4V~12.7V的实用误差范围;
  • 500mW最大耗散功率,满足中小功率电路的稳压需求;
  • 100nA极低反向漏电流,减少静态功耗;
  • SOD-123表面贴装封装,占用PCB面积小;
  • -65℃~+150℃宽工作结温,适应高低温环境。

二、关键电气参数解析

BZT52C12的电气参数经过严格测试,关键指标如下:

参数名称 规格值 说明 稳压类型 独立式齐纳稳压 每个器件单独工作,无需并联/串联即可实现稳压 标称稳压值(Vz) 12V 标准工作条件下的稳定电压值 稳压值范围(Vz范围) 11.4V~12.7V 覆盖±5%左右误差,适配多数电路对电压精度的需求 反向漏电流(Ir) 100nA(典型值) 反向电压未达击穿时的漏电流,远低于常规稳压管,静态功耗极低 最大耗散功率(Pd) 500mW 长期工作的最大功率限制,需配合限流电阻避免过功率损坏 工作结温范围(Tj) -65℃~+150℃ 宽温设计,可适应低温(如户外设备)、高温(如工业设备)环境

三、封装与物理特性

BZT52C12采用SOD-123表面贴装封装,是一款小型化封装(尺寸约1.6mm×0.8mm×0.6mm,具体以官方 datasheet 为准),具有以下优势:

  1. 高集成度:占用PCB面积小,适合便携设备(如蓝牙耳机、智能手环)、小型电源模块的紧凑设计;
  2. 自动化生产适配:表面贴装结构,可通过SMT设备快速焊接,提高生产效率;
  3. 独立式设计:每个封装内仅含一个稳压二极管,电路设计无需考虑多管并联/串联的匹配问题,简化布局。

四、典型应用场景

BZT52C12凭借小功率、小封装、宽温特性,广泛应用于以下场景:

  1. 消费电子稳压:如智能手机、平板电脑的辅助电源稳压(如摄像头模块、传感器供电);
  2. 小型电源模块:如USB转12V小功率电源、电池供电设备的电压基准;
  3. MCU/传感器电路:作为微控制器(MCU)的电源监控参考、传感器(如温度传感器)的工作电压稳定;
  4. 工业控制辅助电路:适应-65℃~+150℃的宽温环境,用于工业设备的信号调理稳压;
  5. LED驱动参考:作为LED驱动电路的电压基准,稳定输出电流。

五、可靠性与环境适应性

BZT52C12经过严格的可靠性测试,满足以下要求:

  • 宽温稳定性:工作结温范围覆盖极端环境,在-65℃低温下仍能保持稳压精度,+150℃高温下无性能衰减;
  • 低漏电流可靠性:100nA的反向漏电流长期稳定,避免因漏电流过大导致的功耗增加或电路干扰;
  • 无铅封装:符合RoHS环保标准,采用无铅焊接工艺,适配绿色电子产品生产需求;
  • 抗冲击振动:SOD-123封装结构紧凑,抗机械冲击和振动能力强,适合车载、户外等振动场景。

六、使用注意事项

为保证BZT52C12的稳定工作,需注意以下事项:

  1. 反向接入电路:稳压二极管需反向工作(阴极接高电位,阳极接低电位),正向接入会导致短路;
  2. 限流电阻设计:需串联限流电阻,计算公式为 ( R = \frac{V_{in} - V_z}{I_z} )(( I_z ) 取稳压管工作电流,通常为1~5mA),避免过电流损坏;
  3. 功率限制:实际耗散功率 ( P = (V_{in} - V_z) \times I_z ) 需小于500mW;
  4. 焊接温度控制:表面贴装焊接时,温度需控制在260℃以内(峰值温度不超过300℃),焊接时间不超过3秒,避免损坏封装或芯片;
  5. 结温监测:工作时需保证结温不超过150℃,若环境温度较高,需适当降低工作电流。

总结:BZT52C12是一款高性价比的12V稳压二极管,适合小功率、紧凑空间的稳压需求,广泛适配消费电子、工业控制等领域,是设计人员优化电路电压基准的可靠选择。

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