WMSIC Electronic Components

MCC SMBJ5350B-TP SMBJ5350B

ModelSMBJ5350B-TP
PackageDO-214AA(SMB)
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 SMBJ5350B-TP
Type
MCC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
MCC
Electronic Component
SMBJ5350B-TP
Electronic Component
1
Package
DO-214AA(SMB)
Electronic Component
Zener Diode
Electronic Component
0.208g
Electronic Component
1
(Zzk)
100Ω
(Zzt)
2.5Ω
Electronic Component
BM0230032976
Diode
1
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.

SMBJ5350B-TP 稳压二极管产品概述

SMBJ5350B-TP是美微科(MCC)推出的一款表面贴装稳压二极管,专为中等功率、宽温环境下的稳压或过压防护场景设计。该产品凭借紧凑的SMB封装、稳定的电气特性及宽温工作能力,成为工业控制、汽车电子、通信设备等领域的实用选型。

一、核心身份与品牌基础

SMBJ5350B-TP隶属于MCC的SMB封装稳压管系列,MCC作为国内知名半导体制造商,在功率器件、稳压管等领域拥有成熟的研发与生产体系,产品符合国际环保标准(RoHS),批量一致性与可靠性经市场验证。该型号以13V标称稳压值为核心,适配多种12V系统的稳压需求。

二、关键规格参数详解

2.1 稳压与反向特性

标称稳压值为13V,在9.9V反向偏置下,反向漏电流仅1μA——这一参数显著低于普通稳压管,可有效降低电路待机功耗,尤其适合对功耗敏感的低电流场景。

2.2 功率与阻抗性能

  • 最大耗散功率(Pd)达5W,在SMB封装器件中属于较高功率密度,可满足中等负载电流下的稳压需求;
  • 动态阻抗方面,测试电流下的Zzt为2.5Ω,低电流下的Zzk为100Ω——低Zzt意味着稳压精度高,电压波动小,适合对输出电压稳定性要求较高的电路。

2.3 温度与封装参数

  • 工作结温范围覆盖-55℃至+150℃,满足工业级、车载级等严苛温度环境要求;
  • 采用DO-214AA(SMB)表面贴装封装,尺寸紧凑(典型值:长3.2mm×宽2.4mm×高1.8mm),便于高密度PCB设计与自动化贴装。

三、技术优势与应用适配

3.1 低漏电流设计

1μA的反向漏电流(9.9V下)可减少电路静态功耗,常见于电池供电设备、低功耗传感器模块等场景,避免不必要的能量损耗。

3.2 宽温稳定工作

-55℃~+150℃的结温范围,使该器件可用于户外通信基站、汽车发动机舱等高低温交替环境,无需额外温度补偿即可保持基本稳压性能。

3.3 功率与封装平衡

5W功率密度适配中等负载(如12V系统下约400mA负载电流),同时SMB封装兼顾了体积与散热,适合空间受限的PCB设计。

四、典型应用场景

  1. 电源稳压:作为12V直流电源的基准电压源或过压钳位器件,比如车载中控、工业PLC的电源模块;
  2. 通信设备:基站射频单元、路由器的电源稳压,低漏电流特性适配低功耗设计;
  3. 工业控制:传感器信号调理电路的稳压环节,宽温能力适配车间高低温环境;
  4. 消费电子:显示器、机顶盒的辅助稳压电路,SMB封装便于批量生产。

五、使用注意事项

  1. 功率裕量:实际应用中需计算最大耗散功率(P=V×I),建议预留20%~30%的裕量,避免超过5W峰值功率;
  2. 焊接工艺:SMB封装为表面贴装,回流焊温度需遵循MCC推荐曲线(如峰值温度240℃~250℃,时间≤10s),防止热损伤;
  3. 反向电压限制:正常工作时反向电压需低于13V稳压值,避免长期过压导致器件老化。

SMBJ5350B-TP凭借平衡的性能参数与可靠的品牌保障,成为中等功率稳压场景的高性价比选型,适合对体积、功耗、温度有综合要求的电子设计。

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