WMSIC Electronic Components

HXY MOSFET ZMM2V0

ModelZMM2V0
PackageLL-34
BrandHXY MOSFET
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
HXY MOSFET ZMM2V0
Type
LL-34
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
HXY MOSFET
Electronic Component
ZMM2V0
Electronic Component
1
Package
LL-34
Electronic Component
Zener Diode
Electronic Component
0.047g
Electronic Component
1
(Zzk)
600Ω
(Zzt)
85Ω
Electronic Component
BM0227249476
Diode
1
Current(Ir)
100uA@1V
Power Dissipation(Pd)
500mW
Electronic Component
1.8V~2.15V
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.

ZMM2V0 — 华轩阳电子 HXY MOSFET 2.0V 稳压二极管产品概述

一、产品概述

ZMM2V0 是华轩阳电子(HXY MOSFET)推出的独立式稳压二极管,标称稳压值 2.0V,公差范围 1.8V~2.15V。该器件采用 LL-34 小型独立封装,面向空间受限且对低压基准或保护电路有稳定性要求的应用场合。核心指标包括反向泄漏电流 Ir = 100μA @ 1V、耗散功率 Pd = 500mW,以及动态阻抗 Zzt = 85Ω、Zzk = 600Ω。

二、主要技术参数

  • 类型:独立式稳压二极管(Zener)
  • 标称稳压:2.0V
  • 稳压范围:1.8V ~ 2.15V
  • 反向电流 Ir:100 μA @ 1V(低电压下的漏电指标)
  • 最大耗散功率 Pd:500 mW(器件在推荐工作条件下的功率限制)
  • 动态阻抗:Zzt = 85 Ω(测试电流附近的小信号阻抗),Zzk = 600 Ω(低电流拐点区域阻抗)
  • 封装:LL-34(小型独立封装)
  • 品牌:HXY MOSFET(华轩阳电子)

三、核心特性与优势

  • 低压基准:2.0V 的低稳压值适用于低压参考、偏置稳定等场合。
  • 漏电可控:在 1V 条件下 Ir = 100 μA,显示在低电压驱动或待机状态下的泄漏水平。
  • 可靠的功率承受:500 mW 耐功耗能力,适合小功率稳压与瞬态吸收场景。
  • 动态阻抗特性:Zzt 较低(85 Ω),在规定测试电流附近能提供相对稳定的稳压性能;Zzk 较高(600 Ω),提示在极低电流区间存在较明显的电压-电流变化,需要注意使用点。

四、典型应用场景

  • 低压电源参考与基准源(如 ADC 参考、比较器偏置)
  • 电路中对低电压保护或钳位(防止输入尖峰超限)
  • 小功率稳压模块、偏置回路和传感器前端电路
  • 待机/低功耗设备的局部电压稳定

五、电气与热管理建议

  • 功耗限制:最大耗散功率为 500 mW,设计时需根据稳压电压与工作电流计算耗散(Pd = Vz × Iz + Iz × Ir ≈ V × I),并留有安全裕度。实际允许电流随环境温度和散热条件变化,应避免长期在额定 Pd 附近工作。
  • 动态阻抗影响:在需要高精度稳压的场合,应选择在 Zzt 指定的测试电流附近工作,以减小电压随电流变化带来的误差。若工作在很小电流区,受 Zzk 影响电压会波动较大。
  • 热管理:LL-34 为小型封装,散热能力有限。建议在 PCB 设计中增加铜箔面积或使用散热垫以降低结温,尤其在较高环境温度下或脉冲功率吸收时。

六、PCB 与封装注意事项

  • 封装尺寸小,适合空间受限布局,但焊接时防止过热。采用标准回流焊工艺时请参考厂商焊接曲线。
  • 建议在稳压二极管附近保留足够的散热铜面,避免与热源元件紧密并列。
  • 对于防止外界干扰和稳定性能,可在二极管输入端并联适当的滤波电容或串联限流电阻。

七、选型与使用建议

  • 若要求更低的电压漂移和更小的动态阻抗,应评估是否需要更高功率等级或不同型号的稳压二极管。
  • 设计时根据实际工作电流参考 Zzt 的测试点,确保稳压电压在允许范围内波动。
  • 对于精密参考应用,建议采用温度补偿或专用低噪声基准源;ZMM2V0 更适合一般稳压与保护用途。

八、储存与可靠性

  • 建议按电子元器件常规规范储存,避免潮湿、高温与强腐蚀性环境。长时间储存应保持原包装,避免受潮。
  • 在量产与可靠性验证阶段,应进行电气参数筛选及老化试验,以验证在目标工作条件下的长期稳定性。

如需完整的电气特性曲线、封装尺寸图或焊接工艺资料,可联系华轩阳电子(HXY MOSFET)或提供具体应用条件,我们可协助做更详细的选型与使用建议。

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