WMSIC Electronic Components

FUXINSEMI P6SMB36A

ModelP6SMB36A
PackageDO-214AA(SMB)
BrandFUXINSEMI
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
FUXINSEMI P6SMB36A
Type
FUXINSEMI
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FUXINSEMI
Electronic Component
P6SMB36A
Electronic Component
1
Package
DO-214AA(SMB)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.186g
Electronic Component
1
Electronic Component
BM0265156932
Operating Temperature
55℃~+150℃
Voltage
49.9V
Current(Ir)
5uA
Voltage(VBR)
37.8V
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.

P6SMB36A TVS瞬态抑制二极管产品概述

一、产品核心定位与基本属性

P6SMB36A是一款单向瞬态抑制二极管(TVS),由国内半导体品牌富芯森美(FUXINSEMI)研发生产,采用DO-214AA(SMB)表面贴装封装。作为电路过压保护的核心器件,其核心作用是在遭遇瞬态浪涌(如雷击感应、静电放电、电快速瞬变脉冲群)时,快速导通并钳位电压至安全范围,避免后端敏感元件(MCU、传感器、通信芯片等)被击穿损坏。

二、关键电气参数与实际价值

该器件的参数针对中低压系统过压保护优化,核心参数及应用意义如下:

2.1 反向截止电压(Vrwm):30.8V

指器件正常工作时可承受的最大反向电压,漏电流极小。此参数适配24V直流系统(如汽车辅助电源、工业控制模块)——24V系统正常电压波动通常在21.6~26.4V(±10%),远低于30.8V,可避免因系统电压波动触发误保护。

2.2 击穿电压(Vbr):37.8V

是器件从反向截止态进入导通态的阈值电压。当电路电压超过37.8V时,TVS快速击穿导通,将浪涌电流分流至地,限制后端电压上升,确保浪涌到来时及时响应。

2.3 钳位电压(Vc):49.9V

指峰值脉冲电流下器件两端的最大电压,是保护效果的核心指标。当12A峰值脉冲通过时,TVS将电压钳位至49.9V以内,远低于多数敏感元件的击穿电压(如MCU IO口耐压多为3.3~5V,高压芯片也多在60V以下),有效保护后端电路。

2.4 脉冲容量:12A(Ipp)/600W(Ppp)

  • 峰值脉冲电流(Ipp):可承受的最大单次浪涌电流,12A容量覆盖汽车点火浪涌、雷击感应浪涌等常见场景;
  • 峰值脉冲功率(Ppp):浪涌能量吸收能力,600W可应对短时间内的高能量浪涌,避免器件自身损坏。

2.5 反向漏电流(Ir):5μA

Vrwm电压下的漏电流仅5μA(0.005mA),远低于同类器件平均水平。低漏电流可降低器件自身功耗,适合低功耗电路(如便携式设备、电池供电系统),不影响系统待机时间。

2.6 宽温范围:-55℃~+150℃

覆盖汽车级(AEC-Q101)及工业级环境:

  • 低温端:适配北方冬季户外设备、航空航天低温场景;
  • 高温端:支持汽车发动机舱(工作温度≥125℃)、工业高温模块等场景。

三、封装特性与应用适配性

P6SMB36A采用DO-214AA(SMB)表面贴装封装,具备三大优势:

  1. 体积小巧:尺寸约3.5mm×2.5mm×1.5mm,适配高密度PCB布局(如手机充电器、车载中控);
  2. 贴装便捷:兼容自动化SMT生产线,生产效率高;
  3. 散热可靠:封装设计利于热量扩散,应对短时间脉冲功率的热量积累。

四、典型应用场景

结合参数特性,该器件广泛应用于以下领域:

4.1 汽车电子

  • 车载充电器(12V/24V):保护手机充电接口免受点火浪涌、静电干扰;
  • 传感器模块(胎压监测、水温传感器):防止信号端被浪涌击穿;
  • 车身控制器(BCM):保护IO口免受开关瞬态电压冲击。

4.2 工业控制

  • PLC输入输出端口:应对工业现场电磁干扰(EMI)、浪涌脉冲;
  • 电机驱动电路:抑制电机启停的反电动势浪涌;
  • 工业传感器(温度、压力):宽温特性适配车间高低温环境。

4.3 消费电子

  • 手机/平板充电器:保护USB接口免受雷击感应、静电放电;
  • 智能家电(路由器、音箱):防止通信端口被EFT/ESD损坏;
  • 显示器/电视:保护HDMI、USB等接口的信号完整性。

4.4 通信设备

  • 基站收发器:应对户外雷击浪涌、电源瞬变;
  • 路由器/交换机:保护以太网端口免受静电、浪涌干扰。

五、品牌与可靠性说明

富芯森美(FUXINSEMI)作为国内功率半导体厂商,P6SMB36A经过严格可靠性测试:

  • 符合RoHS环保标准,无铅封装;
  • 脉冲寿命测试:多次承受12A/600W脉冲后性能无衰减;
  • 温度循环测试:-55℃~+150℃循环1000次后参数稳定。

该器件凭借高可靠性、宽温适配性及小体积优势,成为中低压过压保护场景的高性价比选择。

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