WMSIC Electronic Components

BLUE ROCKET BZT52C5V1

ModelBZT52C5V1
PackageSOD-123
BrandBLUE ROCKET
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 24+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
BLUE ROCKET BZT52C5V1
Type
BLUE ROCKET
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BLUE ROCKET
Electronic Component
BZT52C5V1
Electronic Component
1
Package
SOD-123
Electronic Component
Zener Diode
Electronic Component
0.031g
Electronic Component
1
(Zzk)
480Ω
(Zzt)
60Ω
Electronic Component
BM0232125706
Diode
1
Current(Ir)
2uA
Power Dissipation(Pd)
500mW
Electronic Component
4.8V~5.4V
Electronic Component
65℃~+150℃

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

BZT52C5V1 (BLUE ROCKET) — 5.1V SOD-123 稳压二极管概述

一、产品简介

BZT52C5V1 是 BLUE ROCKET 提供的一款独立式(离散)小功率稳压二极管,封装为 SOD-123。该器件标称稳压值为 5.1V,适用于空间受限的贴片电路中作为基准电压源、低功耗稳压或浪涌/过压钳位元件。工作结温范围宽 (-65℃ ~ +150℃),适应性好,适合商业及工业级应用环境。

二、主要电气参数

  • 标称稳压 (Vz):5.1V(范围 4.8V ~ 5.4V)
  • 反向漏电流 (Ir):2 μA(典型测试条件下)
  • 耗散功率 (Pd):500 mW(环境 25℃,实际允许功耗随温度下降)
  • 动态阻抗 Zzt:60 Ω
  • 膝区阻抗 Zzk:480 Ω
  • 封装:SOD-123(表面贴装)

三、性能解读与设计要点

  • 精度与动态阻抗:稳压范围 4.8–5.4V 表明该器件属于低精度通用型稳压二极管,Zzt = 60 Ω 与 Zzk = 480 Ω 提示在不同工作区间内部阻抗较大,适合低电流参考或简单稳压场合,不适用于需要高精度或低噪声基准的场合。
  • 功率与电流:理论上的最大直流电流可由 Imax ≈ Pd / Vz 估算,约为 0.5W / 5.1V ≈ 98 mA(理想条件下)。实际应用中应按器件温度降额与 PCB 散热能力调整,连续工作不会建议接近该极限。常见稳压设计工作电流多在微安到数十毫安范围,典型设计可选 0.5–10 mA,以兼顾稳压性能和功耗。
  • 漏电流:Ir = 2 μA 表明在反向电压下漏电较小,有利于低功耗电路中的参考使用。但在需要非常低漂移的测量场合仍需谨慎选择。

四、典型应用

  • 小功率基准电压源与分压器校准
  • 电路偏置与电平移位
  • 低功耗微控制器或传感器供电旁路稳压(非严格精密场合)
  • 简单的浪涌或过压钳位保护,限制局部过压幅度

五、封装与散热建议

SOD-123 为小型表贴封装,便于高密度布局。由于 Pd 仅 500 mW,铺铜与散热设计非常重要:

  • 在器件下方/附近增加散热铜箔以提高热阻散热能力。
  • 在高环境温度或通电连续工作时,参考厂商的功耗-温度降额曲线,按需降低稳态电流。
  • 焊接时遵循 SOD-123 的回流工艺规范,避免过热或长时间高温暴露。

六、选型与使用建议

  • 若要求稳压精度较高或低噪声基准,应选用精密电压参考芯片或低阻抗稳压二极管;BZT52C5V1 更适合成本和体积敏感的通用稳压、偏置和钳位应用。
  • 设计时按公式 I = (Vin - Vz)/R 选择串联限流电阻,并确保在最大环境温度下器件耗散不超过允许值(考虑热阻与降额)。
  • 采购时确认包装、出厂代号与带极性标识(阴极带)以便正确贴装。

总结:BZT52C5V1(BLUE ROCKET,SOD-123)是一款适合低功率、低成本、占位小的通用 5.1V 稳压二极管,适用于偏置、基准和简单钳位电路;在设计中需重视工作电流与散热降额以确保长期可靠性。

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