WMSIC Electronic Components

ON SZBZX84C12LT3G

ModelSZBZX84C12LT3G
PackageSOT-23
BrandON
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
ON SZBZX84C12LT3G
Type
ON
Minimum package
10000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ON
Electronic Component
SZBZX84C12LT3G
Electronic Component
1
Package
SOT-23
Electronic Component
Zener Diode
Electronic Component
0.03g
Electronic Component
1
(Zzt)
25Ω
Electronic Component
BM0265418991
Diode
1
Current(Ir)
100nA@8V
Power Dissipation(Pd)
250mW
Electronic Component
11.4V~12.7V
Electronic Component
65℃~+150℃
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.

SZBZX84C12LT3G稳压二极管产品概述

SZBZX84C12LT3G是安森美(ON)推出的汽车级稳压二极管,以高可靠性、宽温适应性和小体积为核心优势,广泛适配汽车电子、工业控制等严苛应用场景。以下从产品定位、参数特性、封装可靠性、应用场景及使用注意事项展开详细说明。

一、产品定位与核心特性

该型号属于ON安森美ZZX84系列稳压管的汽车级衍生款,核心定位为汽车及工业级低功耗稳压器件,主要特性包括:

  1. 精确稳压:标称稳压值12V,精度±5%(稳压范围11.4V~12.7V),满足多数电路对电源电压稳定的需求;
  2. 低功耗设计:反向漏电流仅100nA(8V反向偏置下),静态功耗极低;
  3. 宽温可靠:工作结温覆盖-65℃~+150℃,适配极端环境;
  4. 汽车级认证:通过AEC-Q101标准认证,符合汽车电子严苛的可靠性要求;
  5. 小体积封装:采用SOT-23-3(TO-236)3引脚封装,适合高密度PCB设计。

二、关键电气参数详解

为帮助精准选型,以下对核心电气参数的实际意义进行解析:

  1. 稳压性能:
    标称稳压值12V,稳压范围11.4V~12.7V(对应±5%精度),阻抗Zzt仅25Ω——这意味着在负载或输入电压小幅波动时,输出电压能保持稳定,避免电路因电压波动出现异常。
  2. 功耗与电流:
    最大耗散功率250mW(部分资料标注300mW,需以官方datasheet为准),反向漏电流100nA@8V——低漏电流特性使器件在待机或低负载状态下几乎不消耗额外功率,适合电池供电的移动设备或低功耗模块。
  3. 温度适应性:
    工作结温范围-65℃+150℃,远超普通商业级器件(通常0℃70℃),可稳定工作于汽车发动机舱、工业户外设备等极端温度环境。

三、封装与可靠性设计

  1. 封装形式:
    采用SOT-23-3(TO-236)3引脚表面贴装封装,尺寸小巧(约2.9mm×1.6mm×1.1mm),不仅节省PCB空间,还支持自动化贴装,降低生产难度。
  2. 可靠性保障:
    该型号通过AEC-Q101汽车电子可靠性认证,意味着其在振动、湿度、温度循环等严苛测试中表现达标,可长期稳定应用于汽车ECU、传感器、仪表盘等核心电路。此外,器件的结温范围和耗散功率设计,也进一步提升了长期使用的可靠性。

四、典型应用场景

SZBZX84C12LT3G的特性使其适配多类场景,典型应用包括:

  1. 汽车电子:
    车载传感器(如温度、压力传感器)的电源稳压、ECU(电子控制单元)的辅助电源、仪表盘显示电路的电压稳定,适配汽车-40℃~+125℃的工作环境。
  2. 工业控制:
    PLC(可编程逻辑控制器)的输入输出模块稳压、工业传感器(如流量、液位传感器)的电源电路,满足工业现场-20℃~+85℃的温度要求。
  3. 低功耗设备:
    便携式医疗设备、智能穿戴产品的电源稳压,利用低漏电流特性降低待机功耗;通信设备的小型模块电源,适配高密度设计需求。

五、选型与使用注意事项

为确保器件稳定工作,需注意以下要点:

  1. 参数匹配:
    确认电路所需稳压值(12V±5%)与该器件匹配,避免超出稳压范围;耗散功率需控制在250mW以内(或参考官方datasheet的300mW上限),防止过热损坏。
  2. 温度管理:
    避免器件工作结温超出-65℃~+150℃,若应用环境温度较高,需合理设计PCB散热(如增加铜箔面积)。
  3. 焊接规范:
    采用表面贴装工艺时,需遵循官方焊接参数(如回流焊峰值温度≤260℃,时间≤10秒),避免焊接温度过高损伤器件。
  4. 认证适配:
    若用于汽车级产品,需确认其AEC-Q101认证是否满足具体项目的合规要求;非汽车级应用可根据成本和性能需求灵活选择。

综上,SZBZX84C12LT3G凭借高稳压精度、低功耗、宽温可靠及汽车级认证等优势,成为汽车电子、工业控制等领域稳压设计的优选器件,能有效提升电路的稳定性与可靠性。

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