WMSIC Electronic Components

FUXINSEMI BTA41-800BW BTA41

ModelBTA41-800BW
PackageTO-3P
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 BTA41-800BW
Type
FUXINSEMI
Minimum package
600 管装

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FUXINSEMI
Electronic Component
BTA41-800BW
Electronic Component
1
Package
TO-3P
Electronic Component
Thyristor (SCR) / Module
Electronic Component
6.647g
Electronic Component
1
Electronic Component
BM0227636305
Operating Temperature
40℃~+125℃@(Tj)
Surge Current
400A@50Hz
Thyristor Type
1 Thyristor
Latching Current(Ih)
60mA
Current(It)
40A
Electronic Component
Electronic Component
Electronic Component
600

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

BTA41-800BW 产品概述

一、产品简介

BTA41-800BW 为一款高压大电流双向可控硅(双向晶闸管),由 FUXINSEMI(富芯森美)出品,封装为 TO-3P。器件设计用于交流电源主回路的开关与控制,具有优良的浪涌承受能力与宽温区工作能力,适合电力电子中功率开关、调光、调速和加热控制等应用。

二、主要电气参数

  • 断态峰值电压 Vdrm:800 V,适用于高压交流及直流阻断场合。
  • 通态峰值电压 Vtm:1.55 V(典型),表征在导通状态下的压降水平。
  • 通态电流 It:40 A(连续/平均额定值,需结合散热条件使用)。
  • 浪涌电流:400 A @ 50 Hz(半波/非重复浪涌能力,用于短时启动或冲击电流承受评估)。
  • 门极触发电流 Igt:50 mA,门极驱动时需保证足够的触发电流以可靠导通。
  • 门极平均耗散功率 PG(AV):1 W,门极的平均功耗限制要求驱动电路合理控制功率。
  • 工作结温范围:-40 ℃ ~ +125 ℃(Tj),适应宽温区环境。

三、性能特点

  • 双向控制:单元为双向可控硅,能在交流回路的两方向实现可控导通,适合相位角控制和交流功率调节。
  • 强浪涌能力:400 A 的瞬态承受能力,有利于电动机启动、灯泡点亮等瞬态电流场景。
  • 高压耐受:800 V 的阻断电压可满足多数工业与民用高压应用要求。
  • 门极驱动简单:50 mA 的触发电流级别使得常规驱动电路即可实现可靠触发;门极平均耗散低,有利于长期稳定工作。
  • 宽温区工作:-40 ℃ 到 +125 ℃ 的结温范围满足许多恶劣环境需求,但长期高 Tj 下应注意散热与寿命影响。

四、典型应用

  • 工业交流电机调速(配合合适的驱动与保护电路)
  • 灯光调光与恒功率控制(舞台灯、民用照明调光器)
  • 加热器与温控器的功率开关(如电阻加热器)
  • 固态继电器与交流开关模块
  • 家电类负载的相位控制与功率整流控制

五、封装与热管理建议

  • 封装:TO-3P,便于与大面积散热器直接螺栓安装。
  • 散热:40 A 的长期导通需可靠的散热设计,应选择合适的散热片并进行热阻计算。尽量保证结温在额定范围内工作,并考虑周围器件热叠加影响。
  • 绝缘与紧固:根据系统要求选择绝缘垫片或绝缘螺栓,并按推荐扭矩安装以保证良好热接触与电气安全。
  • 环境:潮湿、有腐蚀气氛或强振动环境下需采取防护措施,避免器件失效。

六、使用注意事项

  • 在有感性负载时,应并联适当的 RC 阻容吸收网络或使用 snubber 电路,以防止高 dV/dt 误触发或过压应力。
  • 触发电路应提供稳定的门极电流,并考虑门极限流与噪声抑制,避免误触发或触发不稳定。
  • 对于经常出现大浪涌的应用,建议评估器件的非重复峰值能力与热冲击影响,必要时选用更高余量器件或并联/保护措施。
  • 在并联器件以提高电流能力时,需采用电流共享措施与匹配的散热设计,避免单片过载。

总结:BTA41-800BW 是一款面向高压交流功率控制的双向可控硅,结合 TO-3P 的散热便利性与 40 A/800 V 的电气特性,适用于多种工业与民用功率控制场景。合理的驱动与散热设计、适当的防护电路是保证长期可靠工作的关键。

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