WMSIC Electronic Components

GOODWORK BZT52C9V1

ModelBZT52C9V1
PackageSOD-123
BrandGOODWORK
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
GOODWORK BZT52C9V1
Type
GOODWORK
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
GOODWORK
Electronic Component
BZT52C9V1
Electronic Component
1
Package
SOD-123
Electronic Component
Zener Diode
Electronic Component
0.033g
Electronic Component
1
(Zzk)
100Ω
(Zzt)
15Ω
Electronic Component
BM0264757971
Diode
1
Current(Ir)
500nA@6V
Power Dissipation(Pd)
500mW
Electronic Component
8.5V~9.6V
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.

BZT52C9V1 产品概述

本产品为 GOODWORK(固得沃克)品牌的 BZT52C9V1 型号稳压二极管,采用 SOD-123 表面贴装封装,额定稳压值为 9.1V(典型),规格覆盖范围 8.5V ~ 9.6V。该器件适用于小功率的稳压、基准及浪涌钳位场景,体积小、成本低、易于在紧凑电路中实现局部稳压或过压保护。

一、产品简介

BZT52C9V1 是一款独立式(单只)低功耗稳压二极管,设计用于在反向偏置下提供稳定的参考电压。器件在 6V 条件下反向漏电流极小(约 500 nA),小信号阻抗 Zzt ≈ 15Ω,稳态阻抗 Zzk ≈ 100Ω,最大耗散功率 Pd = 500 mW。SOD-123 封装利于自动贴片与大批量生产,适合便携、消费类及工业控制等应用。

二、主要参数(典型/关键)

  • 型号:BZT52C9V1
  • 品牌:GOODWORK(固得沃克)
  • 稳压值(标称):9.1 V
  • 稳压范围:8.5 V ~ 9.6 V
  • 反向漏电流 Ir:500 nA @ 6 V
  • 最大耗散功率 Pd:500 mW(在规定散热条件下)
  • 小信号阻抗 Zzt:约 15 Ω(测试工况下)
  • 稳态阻抗 Zzk:约 100 Ω
  • 封装:SOD-123(表面贴装)

三、产品特点

  • 低漏电:反向漏电小,适合对静态功耗敏感的电路。
  • 稳定性好:在规定电流范围内,能提供相对稳定的 9.1V 基准电压。
  • 体积小:SOD-123 封装,适合空间受限的 PCB 布局。
  • 成本效益高:适合批量使用的通用稳压与钳位场景。
  • 容易配套:与常见串联限流电阻配合即可实现简单稳压电路或过压保护。

四、电气与热性能要点

  • 功耗限制:器件最大耗散功率为 500 mW,长期工作应考虑热阻与 PCB 散热。为保证可靠性,建议在设计时留有余量(通常按 Pd 的 50%~70% 进行额定),即在连续工作下尽量控制在约 250 mW 左右。
  • 最大稳压电流估算:Iz(max) ≈ Pd / Vz ≈ 0.5 W / 9.1 V ≈ 55 mA(理论极限,实际应避免长期满载)。
  • 小信号阻抗与动态响应:Zzt≈15Ω 表明在小幅变化下电压稳定性较好,但在较大电流波动时仍会出现一定压降。Zzk≈100Ω 表示在低频或稳态条件下的等效阻抗较高,需要在精密参考场合谨慎使用。
  • 漏电与温漂:Ir=500 nA @6V,适合对静态电流敏感的电池供电设备,但在高温条件下漏电会上升,应在热设计中予以考虑。

五、典型应用

  • 小功率线性稳压参考(局部电压基准)
  • 输入过压钳位与浪涌保护(与串联电阻组合)
  • 电池供电设备的保护与电压检测电路
  • 信号调理或基准源(非高精度场合)
  • 消费电子、便携仪器、通信模块、简单传感器前端

六、使用建议与设计要点

  • 限流设计:稳压二极管通常与串联限流电阻配合使用。示例:在 12 V 电源下希望稳压到 9.1 V,若期望工作电流 Iz=10 mA,则 R = (12 - 9.1) / 0.01 ≈ 290 Ω。若不希望超过器件极限 Iz(max)≈55 mA,则 Rmin = (Vin_max - Vz) / Iz(max) ≈ (12 - 9.1) / 0.055 ≈ 53 Ω。
  • 功耗余量:为延长寿命和提高可靠性,实际设计中应按 Pd 的 50% 以下运行。
  • 热管理:SOD-123 封装散热能力有限,若PCB面积允许,应在焊盘和铜箔上增加散热面积。高工作电流或高环境温度下须评估结温。
  • 降低噪声:若用于参考源,可在输出并联小电容以降低短时噪声和瞬态响应,但须避免引起不稳定振荡。
  • 环境可靠性:高湿或高温环境下漏电与偏置特性会改变,关键设计需进行温度/湿度测试验证。

七、封装与可靠性注意事项

  • SOD-123 为小尺寸外形,适合自动化贴片与回流焊工艺。贴片时注意焊盘设计与回流曲线以保证焊接质量。
  • 长期可靠性受工作温度、功耗和焊接应力影响,建议在批量使用前进行寿命与热循环试验验证。
  • 避免长期在接近 Pd 的条件下工作,以免加速器件失效或漂移。

八、采购与替代

  • GOODWORK(固得沃克)出品,适合需要性价比与批量采购的项目。
  • 若需更高精度或更大功率,可考虑更高 Pd 或低温漂的稳压二极管替代;若需更低漏电、低阻抗特性,可选取专用参考源或带前级缓冲的稳压芯片。

总结:BZT52C9V1 是一款面向小功率稳压与保护用途的经济型稳压二极管,适合在空间受限、成本敏感的项目中作为局部稳压或过压钳位解决方案。合理的限流、热设计和测试验证能保证其在实际应用中的稳定与可靠。

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