WMSIC Electronic Components

MCC SMBJ5346B-TP SMBJ5346B

ModelSMBJ5346B-TP
PackageSMB(DO-214AA)
BrandMCC
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
MCC SMBJ5346B-TP
Type
MCC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MCC
Electronic Component
SMBJ5346B-TP
Electronic Component
1
Package
SMB(DO-214AA)
Electronic Component
Zener Diode
Electronic Component
0.212g
Electronic Component
1
(Zzk)
150Ω
(Zzt)
2Ω
Electronic Component
BM0264254883
Diode
1
Current(Ir)
7.5uA
Power Dissipation(Pd)
5W
Electronic Component
55℃~+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.

SMBJ5346B-TP稳压二极管产品概述

SMBJ5346B-TP是美微科(MCC)推出的独立式稳压二极管,专为中等功率场景下的电压稳定需求设计,采用SMB(DO-214AA)表面贴装封装,具备宽温范围、低漏电流、高稳压精度等核心特性,可广泛应用于工业控制、汽车电子、通信设备等领域。

一、产品基本属性

SMBJ5346B-TP属于硅基稳压二极管,型号标识明确其核心定位:

  • 类型:独立式结构(无内置其他元件,可灵活搭配电路);
  • 品牌:MCC(美微科,国内知名半导体厂商);
  • 封装:SMB(DO-214AA,表面贴装);
  • 包装:“TP”后缀对应编带包装,适配自动化贴装生产。

二、核心电气参数详解

该型号的关键参数直接决定应用场景,需重点关注:

  1. 标称稳压值:9.1V,是器件在额定测试电流下的稳定输出电压,精度满足常规工业级需求;
  2. 反向漏电流(Ir):7.5μA(@6.9V反向偏置),低漏电流可减少前级电路损耗,避免干扰敏感信号;
  3. 最大耗散功率(Pd):5W,支持中等功率负载稳压,避免过载损坏;
  4. 动态阻抗:Zzt=2Ω(测试电流下)、Zzk=150Ω(额定功耗下),低动态阻抗确保稳压精度稳定,电压波动极小;
  5. 工作结温范围:-55℃~+150℃,覆盖工业级宽温环境,极端温度下仍保持性能稳定。

三、封装与物理特性

采用SMB(DO-214AA)表面贴装封装,具备以下实用优势:

  • 体积紧凑:封装尺寸约2.9mm×2.0mm×1.1mm,节省PCB布局空间,适配小型化设备;
  • 贴装兼容:符合SMT工艺标准,可通过自动化贴片机快速生产,降低人工成本;
  • 散热可靠:封装结构优化热传导路径,配合5W功耗,满足中等功率场景散热需求;
  • 抗环境能力:具备一定抗振动、抗冲击性能,适合车载、工业现场等严苛环境。

四、典型应用场景

基于参数特性,SMBJ5346B-TP适用于以下场景:

  1. 工业控制设备:为传感器、PLC模块提供9.1V稳定供电,宽温范围适配车间高低温;
  2. 汽车电子:用于车载仪表盘、传感器电路的辅助电源稳压,满足汽车级温度与振动要求;
  3. 通信设备:基站、路由器电源模块的二次稳压,保障信号传输稳定;
  4. 仪器仪表:高精度测试仪器的基准电压源,低漏电流避免影响测量精度;
  5. 消费电子:小型家电、智能设备的电源稳压电路,适配SMB封装的小型化需求。

五、性能优势总结

该器件的核心竞争力体现在:

  • 宽温可靠性:-55℃~+150℃工作结温,覆盖绝大多数工业与车载场景;
  • 高效稳压:低动态阻抗(2Ω)与低漏电流(7.5μA),平衡稳压精度与功耗控制;
  • 功率适配:5W最大功耗,无需额外并联器件即可满足中等负载需求;
  • 生产友好:SMB封装支持自动化贴装,降低生产难度与成本;
  • 品牌保障:MCC成熟半导体品牌,器件一致性与可靠性经市场验证。

SMBJ5346B-TP凭借上述特性,成为中等功率稳压场景的高性价比选择,可满足多领域的电压稳定需求。

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