WMSIC Electronic Components

VISHAY BZD27C16P-E3-08 BZD27C16P

ModelBZD27C16P-E3-08
PackageDO-219AB
BrandVISHAY
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
VISHAY BZD27C16P-E3-08
Type
VISHAY
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
VISHAY
Electronic Component
BZD27C16P-E3-08
Electronic Component
1
Package
DO-219AB
Electronic Component
Zener Diode
Electronic Component
0.036g
Electronic Component
1
(Zzt)
15Ω
Electronic Component
BM0231051919
Diode
1
Current(Ir)
1uA@12V
Power Dissipation(Pd)
800mW
Electronic Component
15.3V~17.1V
Electronic Component
65℃~+175℃
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.

BZD27C16P-E3-08 产品概述

一、产品简介

BZD27C16P-E3-08 是 VISHAY(威世)出品的一款独立式稳压二极管,标称稳压值 16V,最大耗散功率 800mW,适用于小功率直流稳压、基准源与浪涌钳位等场合。器件采用 DO-219AB 轴向封装,便于穿孔安装与波峰/回流焊接工艺后的机械固定与散热处理。其工作结温范围宽 (-65℃ ~ +175℃),适应工业级温度环境要求。

二、主要电气参数(基于给定规格)

  • 标称稳压值:16V(典型应用参考值)
  • 稳压值容差范围:15.3V ~ 17.1V
  • 反向电流 Ir:1 μA @ 12V(低电压下的漏电特性)
  • 动态阻抗 Zzt:15 Ω(影响稳压时的微小电压变化)
  • 最大耗散功率 Pd:800 mW(满载条件下的最大结功耗)
  • 工作结温范围:-65 ℃ ~ +175 ℃
  • 封装形式:DO-219AB(轴向,穿孔安装)
  • 器件类型:独立式稳压二极管(齐纳/雪崩稳压)

三、产品特性与优点

  • 小功率且稳定:16V 标称稳压适合中低功率偏置和参考电源场合。
  • 低漏电流:在 12V 条件下 Ir=1 μA,可在高阻抗电路中使用,减小静态泄漏误差。
  • 宽工作温度:-65℃ 至 +175℃,适合严苛工业环境或高温应用。
  • 简单可靠的轴向封装:DO-219AB 便于穿孔式电路板布局和机械固定,适合传统装配工艺。
  • 直观的热与功耗管理:800mW 的耗散能力适合无需额外散热器的小功率稳压任务,且易于通过电路设计实现热管理。

四、典型应用场景

  • 小电流基准与参考电压源(仪表放大器、模拟前端)
  • 低功耗偏置与保护(电路偏流、栅极/基极偏置)
  • 电源浪涌钳位与瞬态抑制(配合限流电阻)
  • 消费类与工业设备中的局部稳压(传感器供电、单芯片外部参考)
  • 取代低功耗稳压模块以降低成本和占板面积

五、电路设计要点

  • 串联限流电阻:稳压二极管工作在稳压区需串联限流电阻 R,以限制通过齐纳管的电流。基本计算:R = (Vin - Vz) / Iz,其中 Iz 为工作稳压电流(由实际负载和预期稳压精度决定)。
  • 动态阻抗影响:Zzt = 15 Ω 表示在测试电流条件下电压随电流变化的幅度,设计时应考虑 Iz 变化对 Vz 的影响,必要时选择更低阻抗或并联更大功率器件以提高稳压精度。
  • 功率与热管理:Pd=800 mW 为器件在特定环境条件下允许的最大耗散功率。实际应用中须按环境温度进行降额(derating),并关注 PCB 的热导通与通孔散热路径以避免结温超限。
  • 漏电对高阻应用的影响:Ir=1 μA 在高阻值回路中会引入偏差,应在精密测量或超低漏电应用中评估其影响并考虑选用更低漏电器件或使用缓冲放大。
  • 温度漂移与偏差:稳压值在规格范围 15.3V~17.1V 内波动,受温度影响较大,精密场合需配合温度补偿或稳压放大器使用。

六、封装与安装注意事项

  • DO-219AB 为轴向引线封装,适用于穿孔安装;安装时应避免在引线上施加过大弯曲应力以免损伤内部结或引脚。
  • 焊接工艺需遵循制造商推荐的温度曲线,避免长期高温或快速热冲击导致性能退化。
  • PCB 布局建议在二极管周围留出适当铜皮面积用于散热,必要时通过过孔连接至背面散热层以改善热阻。

七、可靠性与选型建议

  • 选型时请参考 Vishay 官方数据手册获取完整的电气特性曲线(Vz-Iz、温度系数、热阻等)以及典型测试条件。
  • 若电路要求更高稳压精度或更大功率,请考虑更低动态阻抗或更高 Pd 的型号;对低漏电有严格要求的场景,则应优先选择专门的低漏电齐纳或精密基准源。
  • 在批量生产中建议进行样机评估,包括温升测试、长期老化与温度循环验证,确保在目标应用环境下的可靠性与稳定性。

八、总结

BZD27C16P-E3-08 是一款面向小功率稳压和保护用途的 16V 齐纳二极管,具有 800mW 的耗散能力、较低的漏电以及宽温度范围。对于需要简单、可靠、成本效益高的稳压或钳位解决方案时,该器件是常见且实用的选择。具体应用与热设计建议参考 Vishay 官方数据手册并结合电路的实际工作电流与环境温度进行合理的降额与布局。

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