WMSIC Electronic Components

RUILON ZMM39V

ModelZMM39V
PackageSOD-80
BrandRUILON
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
RUILON ZMM39V
Type
RUILON
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RUILON
Electronic Component
ZMM39V
Electronic Component
1
Package
SOD-80
Electronic Component
Zener Diode
Electronic Component
0.053g
Electronic Component
1
(Zzk)
500Ω
(Zzt)
90Ω
Electronic Component
BM0264382191
Diode
1
Current(Ir)
10uA
Power Dissipation(Pd)
500mW
Electronic Component
37V~41V
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.

ZMM39V 产品概述

一、产品简介

ZMM39V 是一款由 RUILON(瑞隆源)推出的独立式稳压二极管,标称稳压值为 39V,稳压范围为 37V~41V。该器件采用 SOD-80 小封装,耗散功率额定为 500mW,适用于空间受限和低功耗的电压稳压、参考源及浪涌/过压钳位场合。作为低功率稳压元件,ZMM39V 提供了较好的稳压性能并具有可靠的反向截止特性,便于在小型模拟或混合信号电路中使用。

二、主要电气参数

  • 稳压值(标称):39V
  • 稳压值范围:37V ~ 41V(出厂分级或公差范围,请设计时按此范围考虑精度)
  • 反向电流 Ir:10 μA(表示在规定反向电压下的漏泄电流量级)
  • 耗散功率 Pd:500 mW(器件在规定环境与散热条件下的最大耗散)
  • 阻抗 Zzt:90 Ω(在规定测试电流下的小信号动态阻抗,影响电压调节精度)
  • 阻抗 Zzk:500 Ω(在较低电流附近的“膝部”阻抗,决定低电流时的稳压起始特性)
  • 封装:SOD-80(小型封装,便于密集布板)

注:Zzt、Zzk 等参数通常是在特定测试电流下测得(如 IZT、IZK),具体测试条件请以厂方数据手册为准。

三、性能解读与设计提示

  • 稳压精度:37V~41V 的范围表示器件在规格允许范围内存在一定偏差,设计中若对输出电压精度要求较高,应选用配对或外部精密基准。
  • 动态阻抗:Zzt = 90 Ω 表明在指定工作点下具有较低的小信号阻抗,输出随电流变化的波动较小;而 Zzk = 500 Ω 则提示在低电流区域(接近“膝部”)稳压效果会变差,因此应保证足够的偏置电流以进入稳压区。
  • 漏电流影响:Ir = 10 μA 在高阻负载或输入电流非常小的场合会影响精度,尤其作为参考源时需考虑漏电对测量的影响。
  • 功率与电流限值:最大允许耗散 Pd = 0.5 W,器件最大稳压电流 Iz_max 可由 Iz_max ≈ Pd / Vz 估算,即约 0.5 W / 39 V ≈ 12.8 mA。设计时应留有裕量,建议常用偏置电流在 1 mA ~ 10 mA 范围内,既能获得较好稳压又避免过热。
  • 计算实例:若输入电压为 60V,目标稳压 39V,选择工作点 Iz = 5 mA,则限流电阻 R = (Vin − Vz) / Iz = (60 − 39) / 0.005 = 4.2 kΩ;并应验证器件在该 Iz 下的功耗 Vz·Iz = 0.195 W 小于 Pd。

四、典型应用场景

  • 低功耗电源的高压侧稳压或钳位电路
  • 作为比较器或基准电路中的电压参考(需注意漏电和精度)
  • 浪涌、过压保护与吸收短时尖峰(用于限制瞬态电压)
  • 仪表、传感前端电路中作为辅助稳压元件

五、布局、焊接与可靠性建议

  • 封装较小,散热条件对功耗限制敏感:在 PCB 设计时通过增加焊盘铜箔面积或在器件周围留出导热路径来改善散热,必要时降低工作电流或使用外部散热措施。
  • 焊接与回流:根据封装特性和厂方焊接指南选择合适的回流曲线,避免过热或机械应力导致封装与引脚损伤。
  • 储存与防护:按常规半导体器件管理,避免潮湿、高温和静电冲击,长期储存建议按厂方建议执行。

六、选型与替代建议

若电路需要更高功率或更好稳压精度,可考虑功耗等级更高或具有更低动态阻抗的稳压管;若须更严格的电压容差或低漏电,可选用精密参考源或低漏电稳压元件。并行使用多只稳压二极管以增加功率通常不可取,因电流分配不均可能引发热失控,应采用并联电阻或更大单件器件解决功率需求。

总结:ZMM39V 为一款适用于低功耗、高电压稳压与钳位用途的 39V 稳压二极管,凭借 SOD-80 小封装和 500 mW 的耗散能力,在紧凑型电路中能提供可靠的稳压性能;在实际应用时应注意偏置电流、热管理及器件的稳压范围以保证长期稳定工作。如需精确参数或测试条件,请参考 RUILON 官方数据手册。

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