WMSIC Electronic Components

YANGJIE BZT52C3V0

ModelBZT52C3V0
PackageSOD-123
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
YANGJIE BZT52C3V0
Type
SOD-123
Minimum package
3000 卷

Technical parameters

Electronic Component
YANGJIE
Electronic Component
BZT52C3V0
Electronic Component
1
Package
SOD-123
Electronic Component
Zener Diode
Electronic Component
0.033g
Electronic Component
1
(Zzk)
600Ω
(Zzt)
95Ω
Electronic Component
BM0264397963
Diode
1
Current(Ir)
10uA@1V
Power Dissipation(Pd)
500mW
Electronic Component
2.8V~3.2V
Electronic Component
55℃~+150℃
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.

BZT52C3V0 产品概述

一、产品简介

BZT52C3V0 属于 BZT52 系列小功率齐纳二极管,由扬杰(YANGJIE)生产,封装为 SOD-123。该器件为独立式单二极管稳压元件,标称稳压值 3.0V,典型应用为低功耗电压基准、过压/钳位保护及参考源等。该系列突出高可靠性、反向特性陡峭和低反向漏电流水平,适合对体积、成本和稳定性有要求的消费电子与工业控制电路。

二、主要电气和热学参数

  • 二极管配置:1 个独立式
  • 标称稳压值(Vz):3.0V
  • 标准稳压范围:2.8V ~ 3.2V
  • 反向电流 Ir:10 μA @ 1V(低电压下的反向漏电流)
  • 最大耗散功率 Pd:500 mW(器件自身最大允许耗散)
  • 动态阻抗 Zzt:95 Ω(在测试电流下的差分阻抗)
  • 膝部阻抗 Zzk:600 Ω(在低电流区的等效阻抗,反映非线性膝部特性)
  • 工作结温范围:-55 ℃ ~ +150 ℃
  • 系列齐纳电压覆盖范围:2.4V ~ 75V(BZT52 系列整体)

以上参数在设计使用时需要结合具体工作电流、环境温度及封装散热条件进行考量。

三、性能特点与优势

  • 高可靠性:制造与封装工艺保证长期稳定工作,适合批量生产的实际工程应用。
  • 反向特性陡峭:在规定的工作点附近,电压随电流变化小,有利于作为低电压基准使用。
  • 低反向漏电流:有利于在微安级偏流条件下维持稳压精度,降低待机功耗。
  • 小型封装(SOD-123):占板面积小,适合表面贴装与自动贴装生产工艺。
  • 宽温度范围:适用于工业级温度要求的场景。

四、典型应用场景

  • 低压基准电源:作为简单成本低的 3.0V 参考或偏置源。
  • 过压与浪涌钳位:保护输入端或敏感节点,限制电压尖峰。
  • 电源监测与复位电路:配合小电流检测电路实现电压阈值判定。
  • 消费类与便携式设备:用于节能模式下的稳压或偏置。
  • 工业控制与仪表:在不要求极高精度的参考场合替代精密芯片参考。

五、使用与设计注意事项

  • 功率耗散与散热:器件最大耗散功率为 500 mW,但这是在良好散热条件下的极限值。建议在实际设计中留有余量(通常按 50%~70% 额定功率进行去额定),并根据 PCB 面积与铜箔散热能力计算结温上升。
  • 工作点选择:齐纳二极管的稳压特性依赖工作电流,动态阻抗 Zzt 表征在测试电流附近的稳压能力;Zzk 则反映低电流区的“膝部”非线性,应避免长期在膝部附近工作以减小电压漂移。
  • 串联限流电阻:常用串联电阻 R = (Vin - Vz) / Iz 来限制通过齐纳的电流,其中 Iz 为期望的稳压电流,应同时保证在最大 Vin 下不超过 Pd。设计时需检查极端温度下耗散与电流变化的影响。
  • 漏电流影响:在微功耗或高阻抗输入的场合,需考虑反向电流 Ir 对电路偏置的影响,若严苛场合应采用更低漏电流的参考源。
  • 温度漂移:齐纳电压随结温变化,低电压齐纳二极管(约 3V)通常具有较显著的温度系数,实际设计若要求温度稳定性应通过温度补偿或采用精密参考芯片。
  • 焊接与可靠性:SOD-123 为常用 SMD 封装,应遵循厂家推荐的回流焊温度曲线,避免重复高温或过长保温时间导致封装应力与参数漂移。

六、封装与生产适配

  • 封装类型:SOD-123,适配常规贴片设备与流水线回流焊工艺。
  • 尺寸优势:小体积便于高密度 PCB 布局,但散热能力较有限,需在布局时预留合适散热地或铜箔。
  • 标识与质量控制:采购时注意器件批次与厂商合格证,生产线上推荐进行进货检验与批次参数抽测以保证一致性。

七、结论与选型建议

BZT52C3V0(扬杰)是一款适合低成本、体积受限场合使用的 3.0V 齐纳二极管,具有高可靠性、低漏电流和明显的反向稳压特性。适用于作为简单稳压、钳位或基准用途。在选型与电路设计时,应重点考虑工作电流、功率耗散和温度影响,合理去额定并做好PCB散热安排;对精度和温漂要求较高的应用,建议配合更高精度的参考源或温度补偿电路。

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