WMSIC Electronic Components

BORN P6SMB200A

ModelP6SMB200A
PackageSMB(DO-214AA)
BrandBORN
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
BORN P6SMB200A
Type
BORN
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BORN
Electronic Component
P6SMB200A
Electronic Component
1
Package
SMB(DO-214AA)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.191g
Electronic Component
1
Electronic Component
BM0264595472
Voltage
274V
Current(Ir)
1uA
Voltage(VBR)
210V
Electronic Component
Electronic Component
Electronic Component
3000

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

P6SMB200A 瞬态抑制二极管(TVS)产品概述

一、产品基本属性与定位

P6SMB200A是伯恩半导体(BORN) 推出的单向瞬态抑制二极管(TVS),属于SMB(DO-214AA)封装系列,核心定位为中等电压等级电路的瞬态浪涌防护器件。该器件通过快速钳位浪涌电压,有效保护后级敏感电子元件(如IC、MOS管、传感器等)免受雷击、静电放电(ESD)、电源开关浪涌等瞬态过压的损坏,广泛适配工业控制、通信设备、电源系统等场景。

二、核心电气参数详解

电气参数是TVS防护能力的核心体现,P6SMB200A的关键参数及实际意义如下:

1. 反向截止电压(Vₐᵣₘ):171V

指器件正常工作时可承受的最大反向直流电压,确保电路在额定电压下运行时,TVS处于截止状态,无额外电流损耗,不影响原电路功能。例如,若电路直流工作电压为150V,171V的Vₐᵣₘ可完全满足正常工作需求。

2. 击穿电压(Vᵦᵣ):210V

是TVS开始导通的临界电压,需高于电路正常工作电压(通常比Vₐᵣₘ高15%-20%),避免因电压波动导致误触发。当浪涌电压超过210V时,器件快速击穿导通,将过压能量泄放至地。

3. 钳位电压(Vᶜ):274V

是浪涌发生时,TVS将电路电压钳位到的安全值,需低于后级敏感元件的耐压极限(如多数IC耐压为30V-500V,274V可有效保护)。该参数直接决定防护效果,数值越低,对后级元件的保护越可靠。

4. 峰值脉冲功率(Pₚₚ):600W(@10/1000μs波形)

代表器件在标准浪涌波形(10/1000μs) 下可承受的最大脉冲功率,体现了浪涌能量的泄放能力。10/1000μs波形模拟了雷击等典型浪涌的上升时间(10μs)和半峰值时间(1000μs),600W的功率可覆盖多数工业场景的浪涌能量。

5. 峰值脉冲电流(Iₚₚ):2.2A

是浪涌发生时,TVS可泄放的最大峰值电流,与Pₚₚ满足关系:Pₚₚ≈Vᶜ×Iₚₚ(近似计算),直接反映器件的电流承载能力。

6. 反向漏电流(Iᵣ):1μA

正常工作时的反向漏电流,数值极小(≤1μA),可忽略不计,不会增加电路功耗,避免因漏电流导致的发热或误触发。

7. 极性:单向

仅能抑制一个方向的浪涌电压(通常为反向浪涌,对应电路电源正极到地的浪涌),若需双向防护需选择对应双向型号,安装时需严格注意极性。

三、封装与物理特性

P6SMB200A采用SMB封装(DO-214AA),属于小型表面贴装封装,具有以下优势:

  • 体积小巧:尺寸约为(3.2±0.2)mm×(2.3±0.2)mm×(1.2±0.2)mm,适合高密度PCB设计;
  • 安装便捷:表面贴装引脚,兼容自动贴片机生产,无需钻孔,节省PCB空间;
  • 散热可靠:封装热阻适中(典型值约100℃/W),可满足600W脉冲功率下的散热需求;
  • 标准化兼容:符合DO-214AA国际封装标准,引脚布局与多数SMB封装器件一致,便于替换选型。

四、典型应用场景

结合P6SMB200A的参数特性,其典型应用场景包括:

  1. 工业控制电路:PLC输入输出接口、传感器模块、伺服驱动器的过压防护;
  2. 通信设备:基站电源模块、交换机端口、光纤收发器的浪涌抑制;
  3. 电源系统:AC/DC转换器的直流输出侧、高压电源模块的防护;
  4. 汽车电子:辅助控制系统(如电动座椅、车窗控制器)的瞬态过压防护(需确认工作温度范围);
  5. 消费电子:高端家电(如变频空调、智能冰箱)的高压电源部分防护。

五、选型与使用注意事项

为确保防护效果,需注意以下要点:

  1. 电压匹配:Vₐᵣₘ需≥电路正常工作电压(如150V电路选171V Vₐᵣₘ),避免正常导通;
  2. 功率匹配:Pₚₚ需≥系统最大浪涌功率(需参考浪涌测试标准,如IEC 61000-4-5);
  3. 极性确认:单向TVS需按极性安装(通常丝印端对应阴极),反向安装会导致防护失效;
  4. 封装适配:SMB封装需匹配PCB焊盘尺寸(建议焊盘直径≥1.0mm),确保焊接可靠性;
  5. 并联使用:若单器件功率不足,可并联多个同型号器件(需同批次,保证参数一致性);
  6. 温度考量:TVS击穿电压随温度升高(约0.1%/℃),需确认工作环境温度(伯恩该系列通常支持-55℃~+150℃)。

总结

P6SMB200A作为伯恩半导体的单向TVS器件,凭借171V的高截止电压、600W的脉冲功率能力,以及SMB封装的小巧优势,成为中等电压电路浪涌防护的可靠选择。其参数匹配性强、漏电流小、防护响应快(典型响应时间<1ns),可有效覆盖工业、通信等领域的瞬态过压防护需求,是设计中保障电路可靠性的关键元件之一。

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