WMSIC Electronic Components

JUXING ZMM12V

ModelZMM12V
PackageLL-34
BrandJUXING
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

13 specifications

Core information

Product name
JUXING ZMM12V
Type
LL-34
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
JUXING
Electronic Component
ZMM12V
Electronic Component
1
Package
LL-34
Electronic Component
0.045g
Electronic Component
1
Electronic Component
BM0265601724
Electronic Component
Electronic Component
Electronic Component
2500

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

ZMM12V稳压二极管产品概述

一、产品核心身份与定位

ZMM12V是JUXING(钜兴) 品牌推出的独立式稳压二极管,核心功能是为电子电路提供稳定的12V基准电压。其小封装、低功耗、低漏电流的特性,精准适配空间紧凑的小型化设计需求,是单片机、传感器模块、便携式设备等场景的常用稳压器件。

二、关键电气参数深度解析

ZMM12V的核心参数围绕“稳压性能”“功耗控制”“漏电流”三大维度设计,具体如下:

1. 稳压值特性

  • 标称稳压值:12V(反向击穿后稳定输出的电压);
  • 实际工作范围:11.4V~12.7V(生产一致性波动,满足多数中精度稳压需求);
  • 动态阻抗:20Ω(低阻抗意味着输出电压随工作电流变化极小,稳压稳定性佳)。

2. 低功耗与漏电流控制

  • 最大耗散功率(Pd):500mW(0.5W),是器件允许的最大功率上限,需通过限流电阻控制电流;
  • 反向漏电流(Ir):[email protected](反向电压低于稳压值时,漏电流极微,大幅降低静态功耗,适合电池供电场景)。

三、LL-34封装物理特性

ZMM12V采用LL-34轴向引线封装,属于小型圆柱形封装,具备以下特点:

  • 尺寸紧凑:典型直径约1.5mm,长度约3.8mm,适配通孔焊接或小型电路板布局;
  • 可靠性:封装材料为环氧树脂,耐温、耐湿能力满足常规工业场景需求;
  • 极性识别:带色环的一端为阴极(焊接时需接输入电压正端,避免反向失效)。

四、典型应用场景

ZMM12V的特性使其在以下场景广泛应用:

1. 小型电子设备电源稳压

如单片机核心板、低功耗传感器的供电稳压——通过串联限流电阻,可将波动的输入电压(如15V)稳定在12V左右,保证电路正常工作。

2. 基准电压参考

利用低动态阻抗特性,作为ADC(模数转换器)、DAC(数模转换器)的基准电压源,提升信号转换精度(如工业传感器信号采集)。

3. 便携式设备辅助稳压

低漏电流、低功耗的特点适配蓝牙模块、小型医疗设备等电池供电产品,减少电池能量损耗,延长续航时间。

4. 简单过压防护辅助

在反向击穿状态下可短暂钳位电压,辅助保护敏感电路免受瞬态过压冲击(需配合TVS等器件增强防护)。

五、使用注意事项

为保证器件长期可靠工作,需注意以下要点:

1. 限流电阻设计

必须串联限流电阻,避免电流过载。公式参考:
[ R = \frac{V_{in} - V_z}{I_z} ]
(例:若( V_{in}=15V )、( V_z=12V )、取( I_z=10mA ),则( R=300Ω );最大电流需低于( I_{max}=\frac{P_d}{V_z}≈41.7mA ))

2. 极性与温度影响

  • 极性:阴极(色环端)接输入正端,阳极接低电位端;
  • 温度系数:硅稳压管稳压值随温度升高略有上升(典型+2mV/°C),高温场景需考虑补偿。

3. 功率余量

实际工作功耗需低于500mW,建议预留20%~30%余量,避免长期过载。

总结

ZMM12V凭借小封装、低功耗、稳定稳压的核心优势,成为小型电子设备中“高性价比稳压解决方案”。其参数适配性强,使用简单,是单片机、传感器、便携设备等场景的优先选择之一。

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