WMSIC Electronic Components

BORN BZT52C16S

ModelBZT52C16S
PackageSOD-323
BrandBORN
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
BORN BZT52C16S
Type
BORN
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BORN
Electronic Component
BZT52C16S
Electronic Component
1
Package
SOD-323
Electronic Component
Zener Diode
Electronic Component
0.031g
Electronic Component
1
(Zzk)
200Ω
(Zzt)
40Ω
Electronic Component
BM0264491097
Diode
1
Current(Ir)
100nA
Power Dissipation(Pd)
200mW
Electronic Component
15.3V~17.1V
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.

BZT52C16S(BORN)产品概述

一、产品简介

BZT52C16S 是伯恩半导体(BORN)提供的一款独立式稳压二极管(Zener diode),采用 SOD-323 小型贴片封装,标称稳压值 16V。该器件适用于低功耗、小体积的稳压参考与过压保护场合,凭借小巧封装和较低的漏电流,适合移动终端、仪表、通信模块与一般电子消费品中的点位稳压和钳位保护应用。

二、主要参数(关键规格)

  • 二极管配置:1 个独立式
  • 标称稳压值(Vz):16V
  • 稳压值允许范围:15.3V ~ 17.1V
  • 反向漏电流(Ir):100 nA @ 11.2V
  • 最大耗散功率(Pd):200 mW
  • 动态阻抗(Zzt):40 Ω
  • 膝部阻抗(Zzk):200 Ω
  • 封装:SOD-323(贴片)
  • 品牌:BORN(伯恩半导体)

三、性能要点与工程解读

  • 额定功耗与允许电流:在 16V 稳压电压下,器件最大耗散功率 Pd = 200 mW,因此理论上的最大稳压电流 Imax ≈ Pd / Vz = 200 mW / 16 V ≈ 12.5 mA。为保证可靠性与热稳定,常规使用中应选择远低于此值的工作电流(例如 5–6 mA 或更低)。
  • 漏电流特性:Ir = 100 nA 在 11.2V 条件下表明器件具有较低的反向漏电特性,适合对静态功耗敏感的应用与高阻抗电路中的精密参考,但在高温下漏电会增加,应在系统设计中考虑温漂。
  • 动态阻抗与稳压精度:Zzt = 40 Ω 表示在测试工作电流附近的动态阻抗较小,稳压能力在中等电流下较好;Zzk = 200 Ω 描述了二极管在膝部(低电流区域)时的阻抗较大,即在非常小的偏流条件下输出电压会出现较大的变化,低电流区稳压性能下降。
  • 封装与热管理:SOD-323 为小型表贴封装,热阻较大,因此在 PCB 布局与散热条件有限的情况下,应限制持续电流,注意热回流和功耗分配。

四、典型应用场景

  • 点位稳压/参考电压源:为小型传感器、电路的局部偏置提供稳定的 16V 参考(在允许电流范围内)。
  • 过压钳位与浪涌保护:用于保护输入侧或敏感元件在短时过压下钳位。
  • 采样电路与比较器偏置:为 ADC、比较器提供相对稳定的基准或偏置点。
  • 通信与工业仪表的小功率稳压模块:在电流要求不高且空间受限的场景更具优势。

五、设计与使用建议

  • 串联限流电阻计算:稳压二极管为并联(分流)型稳压器,选择 R 时按公式 R = (Vin − Vz) / Iz 计算,其中 Iz 为期望流过稳压二极管的电流。示例:若 Vin = 24V,选 Iz = 5 mA,则 R = (24 − 16) / 5 mA = 1.6 kΩ。
  • 安全裕度:推荐工作电流不超过 Imax 的 40%~60%,以减少结温并延长寿命。若需短时吸收浪涌电流,请确保脉冲能量不会超过热极限。
  • 温度影响:请参考完整的规格书温度特性,设计中留出足够余量以抵消温度漂移对稳压值与漏电流的影响。
  • 引脚与标识:注意 SOD-323 的极性标记(通常在元件体侧有极性带),安装前确认阴极/阳极方向以免反接损坏。
  • 焊接与回流:遵循元件制造商的回流焊温度曲线与焊接工艺规范,避免超温或过长回流时间导致封装损伤。

六、可靠性与采购注意

  • 选型时对比同类器件注意稳压容差、动态阻抗与功耗等级。若应用对稳压精度要求更高或电流需求更大,应考虑更大功耗或精密基准器件。
  • 采购时确认批次与物料来源,查看生产厂家的封装尺寸与管脚图、回流焊工艺说明、以及完整的电气特性曲线以便在 PCB 设计与仿真中使用真实数据。

总结:BZT52C16S(SOD-323)是一款适合低功耗、空间受限场合的 16V 稳压二极管,具有低漏电与便于贴片装配的优点。在实际设计中应重点关注耗散功率限制、动态阻抗对低电流稳压性能的影响以及封装的热管理,合理选择串联限流电阻与工作电流以保证长期稳定运行。若需要更严苛的稳压精度或更高功率处理能力,可在产品族中选择更高 Pd 或更低 Zt 的型号。

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