WMSIC Electronic Components

FOSAN BZT52C13

ModelBZT52C13
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 BZT52C13
Type
FOSAN
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FOSAN
Electronic Component
BZT52C13
Electronic Component
1
Package
SOD-123
Electronic Component
Zener Diode
Electronic Component
0.032g
Electronic Component
1
Electronic Component
BM0264886304
Diode
1
Current(Ir)
100nA
Power Dissipation(Pd)
500mW
Electronic Component
12.4V~14.1V
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.

BZT52C13稳压二极管产品概述

一、产品核心定位与基本特性

BZT52C13是富信(FOSAN) 推出的独立式小功率稳压二极管,主打小型化、宽温适应性、低功耗三大核心优势,适配各类对空间和功耗敏感的电子电路。该器件采用SOD-123贴片封装,体积紧凑且支持自动化贴装,是便携式设备、工业控制、车载电子等领域的基础稳压/钳位元件。

二、关键电气参数详解

BZT52C13的参数设计围绕“稳压精度、功耗限制、环境耐受性”展开,核心参数如下:

2.1 稳压值与精度

  • 标称稳压值:13V(电路设计的基准参考值);
  • 稳压范围:12.4V~14.1V(受制造工艺公差影响,实际值在此区间波动)。
    注:若电路对稳压精度要求较高(如±1%),需提前筛选器件;若为一般过压保护,此范围可满足需求。

2.2 反向漏电流(Ir)

反向漏电流仅100nA(纳安级),是该器件的核心优势。漏电流小意味着反向截止状态下几乎无额外功耗,尤其适合电池供电的便携式设备(如智能手环、小型传感器),可有效延长续航时间。

2.3 耗散功率(Pd)

最大耗散功率为500mW,对应SOD-123封装的散热能力。实际应用中需计算功率损耗:假设工作电流为(I),稳压值为(V_z),则(P=I×V_z),需确保(P≤500mW)(建议留20%~30%余量,避免长期过载)。

2.4 工作结温范围

结温覆盖**-65℃+150℃**,远超普通民用器件(通常-40℃+125℃)。这一特性使其可适应工业环境(户外传感器、车间控制柜)、车载电子(发动机舱温度波动)等严苛场景,无需额外降额使用。

三、封装与可靠性设计

BZT52C13采用SOD-123贴片封装,具备以下特点:

  • 尺寸紧凑:典型尺寸约2.0mm×1.25mm×1.0mm,比传统轴向封装节省60%以上PCB空间,适配高密度电路板;
  • 焊接可靠性:引脚采用镀锡工艺,兼容回流焊、波峰焊,焊接后抗机械应力能力强,不易虚焊;
  • 环境耐受性:封装材料为耐高温环氧树脂,可抵抗湿度、粉尘侵蚀,符合工业级可靠性标准(如MIL-STD-883部分测试要求)。

四、典型应用场景

结合参数特性,BZT52C13的常见应用包括:

4.1 低功耗设备的基准电压源

如智能穿戴(手环、手表)的传感器供电稳压、小型物联网节点的参考电压,利用低Ir、小Pd特性减少电池消耗。

4.2 工业电路的过压钳位保护

用于PLC输入输出模块、电机驱动电路的过压保护:当电压超过13V时导通钳位,防止后级器件损坏;宽温范围适配车间昼夜温度变化。

4.3 车载电子的辅助稳压

车载中控、传感器模块的5V/3.3V电源前级钳位,避免汽车点火、负载切换时的电压尖峰冲击;-65℃~+150℃结温覆盖车载极端温度。

4.4 通信设备的小型稳压

如路由器、交换机的辅助电源稳压,SOD-123封装适配高密度PCB布局,满足通信设备小型化趋势。

五、选型与使用注意事项

为确保稳定工作,需注意以下几点:

  1. 精度匹配:若需±0.5%精度,需筛选稳压值在12.935V~13.065V之间的器件;
  2. 功率余量:实际功率≤400mW(留20%余量),避免结温过高;
  3. 焊接规范:回流焊峰值温度≤260℃,焊接时间≤10秒,防止损坏PN结;
  4. 布局建议:靠近被保护/稳压器件,缩短走线减少干扰;
  5. 极性确认:稳压管反向击穿工作,SOD-123封装丝印端为阴极,避免接反损坏。

BZT52C13凭借平衡的性能与成本优势,成为小功率稳压场景的实用选择,尤其适合对空间、功耗和环境适应性有要求的设计。

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