WMSIC Electronic Components

GOODWORK BZT52C11

ModelBZT52C11
PackageSOD-123
BrandGOODWORK
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
GOODWORK BZT52C11
Type
GOODWORK
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GOODWORK
Electronic Component
BZT52C11
Electronic Component
1
Package
SOD-123
Electronic Component
Zener Diode
Electronic Component
0.034g
Electronic Component
1
(Zzk)
150Ω
(Zzt)
20Ω
Electronic Component
BM0257623392
Diode
1
Current(Ir)
100nA@8V
Power Dissipation(Pd)
500mW
Electronic Component
10.4V~11.6V
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.

BZT52C11 — 产品概述

BZT52C11 是一款面向小功率稳压与参考电路的独立式稳压二极管,品牌为 GOODWORK(固得沃克),采用 SOD-123 表面贴装封装。器件以 11V 标称稳压值为主,具有低漏电、较低动态阻抗和合理的耗散功率,适合移动设备、通信模块、电源管理以及一般电子控制电路中的过压保护与基准电压源应用。

一、主要电气参数与特点

  • 稳压值(标称):11V
  • 稳压值范围:10.4V ~ 11.6V(典型生产公差)
  • 反向电流 Ir:100 nA @ 8V(低漏电,适用于低功耗设计)
  • 最大耗散功率 Pd:500 mW(基于良好散热条件)
  • 动态阻抗 Zzt:20 Ω(在规定测试电流下的微小信号阻抗)
  • 弯曲区阻抗 Zzk:150 Ω(接近击穿边缘时的阻抗特性)
  • 封装:SOD-123(小型表贴,便于高密度装配)
  • 二极管配置:独立式稳压二极管(并联用作稳压或钳位)

这些参数表明 BZT52C11 在小电流、低功耗场合能提供稳健的电压钳位和参考性能,尤其适合对漏电要求严格的便携式电路。

二、封装与热管理要点

SOD-123 为小型表面贴装封装,便于自动贴装与回流焊工艺。由于 Pd 为 500 mW,器件的实际耗散能力受 PCB 铜箔面积和铜层厚度影响显著:

  • 建议在器件引脚和下方预留较大的散热铜箔,必要时采用热沉铜箔或多层铜层互通以提升散热能力。
  • 在设计时计算最大稳压电流 Iz,确保 Iz × Vz 不超过 Pd(同时考虑环境温度和 PCB 热阻)。
  • 回流焊工艺遵循推荐温度曲线,避免过高峰值温度和多次回流造成封装应力。

三、典型应用与电路接法

  • 稳压参考:在需要稳定 11V 的小电流参考点时,二极管并联在负载侧,电流通过外部串联限流电阻 Rs 提供工作电流。
  • 过压保护/钳位:用于敏感器件供电线上,当电压超出设计值时将电压钳位在约 11V,保护下游器件。
  • 基本电源模块:小型线性稳压或分压前端的简单稳压单元。

使用建议(典型):

  • 选择 Rs 时按 Rs = (Vin - Vz) / Iz 计算,其中 Iz 为稳压二极管工作电流,确保在最大 Vin 下不会超过 Pd。
  • 对噪声敏感的参照应用,可在二极管并联小容量电容以改善瞬态响应,但注意并联电容可能影响动态稳定性。

四、选型与使用注意事项

  • 如果电路对稳定度和低温漂有较高要求,应关注器件在不同温度下的 Vz 温度系数(建议参考厂方完整数据手册)。
  • 对于高脉冲或瞬态能量场合,需评估瞬态能量是否会超过器件承受能力,必要时采用更大功率的稳压器或外加浪涌吸收器件。
  • 在低电流工作点(接近折返区)时,Zzk 较大,可能导致稳压精度下降,设计时应保证器件工作电流在推荐测试电流附近以获得较好稳压性能。
  • 储存与焊接按常规半导体器件规范处理,焊接温度和湿敏等级参考制造商说明以避免封装开裂或电性能退化。

五、结论

GOODWORK 的 BZT52C11(SOD-123)是一款适合小功率、低漏电应用场景的 11V 稳压二极管,凭借 10.4V~11.6V 的稳压范围、较低的动态阻抗以及 500 mW 的耗散能力,能在便携设备、通信与控制电路中提供可靠的电压钳位与参考功能。在实际应用中,合理设计限流、电流与 PCB 散热结构,可充分发挥该器件的性能与可靠性。若需更详细的温度特性、测试曲线与封装尺寸,请参阅厂方完整规格书。

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