WMSIC Electronic Components

YANGJIE BZT52B16S

ModelBZT52B16S
PackageSOD-323(SC-90)
BrandYANGJIE
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 Date code within 2 years

Available for RFQ

Technical data

Product details

13 specifications

Core information

Product name
YANGJIE BZT52B16S
Type
SOD-323(SC-90)
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YANGJIE
Electronic Component
BZT52B16S
Electronic Component
1
Package
SOD-323(SC-90)
Electronic Component
0.031g
Electronic Component
1
Electronic Component
BM0230875398
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.

BZT52B16S 稳压二极管(YANGJIE 扬杰)产品概述

一、概述

BZT52B16S 是一款面向低功耗、体积受限电路的硅稳压二极管,由扬杰(YANGJIE)生产,采用 SOD-323 表面贴装封装。该器件以 16V 标称稳压值为设计目标,适用于小电流电压基准、浪涌钳位与精简电源保护方案,具有低反向漏电和较小的动态阻抗特性。

二、主要技术参数

  • 标称稳压值(Vz):16V
  • 稳压值范围:15.63V ~ 16.30V(对标称值的偏差约 -2.3% 至 +1.9%)
  • 最大耗散功率(Pd):200 mW(器件工作时的最大功耗限制)
  • 反向电流(Ir):≤100 nA @ 12V(低漏电,利于高阻抗回路)
  • 稳态阻抗(Zzt):40 Ω(在测试电流下的动态阻抗)
  • 脉冲/低电流阻抗(Zzk):200 Ω(接近转折区时的阻抗)

三、电气特性解读

  • 稳压精度:稳压值范围表明 BZT52B16S 在常规测试条件下的电压波动较小,适合需要约 16V 基准或钳位的场合。
  • 功率与允许电流:按 Pd = Vz × Iz_max,可得 Iz_max ≈ 200 mW / 16 V ≈ 12.5 mA,长期工作电流应低于此值并留有余量以保证可靠性。
  • 动态阻抗:Zzt = 40 Ω 表示在规定测试电流下输出电压随电流变化的敏感度较低;但在微小电流区(Zzk = 200 Ω)阻抗显著增加,低电流时稳压性能变差。设计时应保证工作点越靠近测试电流区域越能获得良好稳压效果。
  • 漏电流:Ir ≤100 nA 在 12V 下的低漏电利于电池供电或高阻抗传感输入,能减少静态损耗与误差。

四、封装与热管理

SOD-323 为小型表贴封装,适合高密度 PCB 布局。但封装体积极小,散热能力有限:

  • 在 PCB 设计中建议加大铜箔散热面积并设计散热过孔,以降低结温。
  • 避免长期在接近最大耗散功率下工作,适当降低工作电流或增加散热路径可延长寿命。

五、典型应用场景

  • 小型电源的过压保护与基准钳位
  • 电池供电设备中对 16V 级别的瞬态钳位
  • 模拟前端或传感器电路的稳压参考(低电流场合)
  • 通信与消费电子中对过电压保护的本地实现

六、设计与使用建议

  • 优先在接近厂家测试电流区域工作以获得较低的动态阻抗和更稳定的输出。
  • 保持稳压二极管的结温在安全范围内,预留足够的功率裕度(通常留 20%~50% 余量)。
  • 若要求更大稳压电流或更低温升,应考虑更高功率封装或外部稳压模块。
  • 在 PCB 布局与回流焊工艺上参考 SOD-323 的焊盘推荐尺寸,并遵循无铅回流曲线的工艺说明。

七、可靠性与存储

  • 存储时避免潮湿和高温,长期储存前建议按厂家湿敏等级(MSL)进行干燥封装管理。
  • 安装与维护时注意静电防护和合理的热循环设计,以减少焊接应力与热应力对器件的影响。

八、选型注意事项

选用 BZT52B16S 时,应确认:

  • 电路最大工作电流远低于 12.5 mA(按 200 mW 额定功耗计算)并考虑温升影响;
  • 是否需更严格的稳压精度或更低动态阻抗(若是,可选更高功率或低阻抗型号);
  • 封装尺寸与焊接工艺是否满足生产要求。

总结:BZT52B16S(扬杰,SOD-323)是一款适合小功率、低漏电、空间受限场合的 16V 稳压二极管,适用于简单电压钳位与低电流稳压参考。合理的电流、散热与 PCB 布局设计可充分发挥其性能。若需更高功率或更严格参数,请结合具体应用进一步选型或咨询元器件供应商。

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