WMSIC Electronic Components

FUXINSEMI BT134W-600E BT134W

ModelBT134W-600E
PackageSOT-223
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
FUXINSEMI BT134W-600E
Type
FUXINSEMI
Minimum package
4000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
FUXINSEMI
Electronic Component
BT134W-600E
Electronic Component
1
Package
SOT-223
Electronic Component
Thyristor (SCR) / Module
Electronic Component
0.2g
Electronic Component
1
Electronic Component
BM0228045247
Operating Temperature
40℃~+125℃
Surge Current
20A@50Hz
Latching Current(Ih)
5mA
Current(It)
2A
Electronic Component
Electronic Component
Electronic Component
4000
Voltage(Vtm)
1.55V

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

BT134W-600E 产品概述

一、产品简介

BT134W-600E 是一款由 FUXINSEMI(富芯森美)推出的双向可控硅(TRIAC)器件,采用 SOT-223 封装,面向小功率交流开关和相位控制场合。器件具备 600V 的反向耐压能力和 2A 的额定通态电流,门极触发灵敏(Vgt=1.3V,Igt=5mA),适合被微控制器或小信号驱动电路直接触发。

二、主要电气参数(关键数值)

  • 断态峰值电压 Vdrm: 600V(最大)
  • 通态峰值电压 Vtm: 1.55V(典型)
  • 通态电流 It: 2A(连续)
  • 浪涌电流: 20A @ 50Hz(非重复、单次浪涌能力)
  • 门极触发电压 Vgt: 1.3V;门极触发电流 Igt: 5mA
  • 保持电流 Ih: 5mA
  • 门极平均耗散功率 PG(AV): 500mW
  • 工作温度范围: -40℃ ~ +125℃
  • 封装: SOT-223(小型散热面)

三、典型应用场景

  • 家用电器的灯光调光和小功率电机调速
  • 固态继电器与交流开关模块(低电流档位)
  • 加热器、风扇等简单相位控制负载
  • 工业控制中需要隔离、相位调节的低功率负载

四、封装与热管理建议

SOT-223 为小型 PCB 安装封装,适合体积受限的设计。由于器件连续电流仅 2A,且通态压降约 1.55V,实际功耗在较大电流下会显著增加(P ≈ Vtm × I)。建议:

  • 在预期工作电流接近额定值时,采用较大面积的铜箔散热垫或加装散热片;
  • 保持 PCB 铜箔与热孔通导良好,以降低结壳温度;
  • 对于高占空比或高浪涌场合,应评估结温并适当降额使用。

五、驱动与保护要点

  • 门极驱动:器件触发电流仅 5mA,门极驱动电阻应设置以限制电流并避免过量功耗,门极平均耗散 500mW,应控制连续门极功率。
  • 抗误触发(dv/dt):高 dv/dt 环境下易出现误触发,建议在设备中并联 RC 缓冲网络(snubber)或采用光耦隔离驱动以提高抗干扰性。
  • 浪涌与过压保护:对可能出现的瞬态或浪涌,应在电源侧增加限流/吸收元件(NTC、熔断器、MOV 或 TVS)以保护器件。
  • 负载类型:感性负载(电机、变压器)工作时可能产生反电动势和尖峰,优先选择适当的 RC 网络或二极管吸收(交流场合需对称处理)以确保可靠性。

六、设计与可靠性提示

  • 在 AC 主网直接控制场合,确保器件的 600V 断态裕量足够(考虑瞬态过压与环境因素)。
  • 选择 PCB 布局时注意线间距与爬电距离以满足高压安全标准。
  • 对于长期运行或高温环境,应在热仿真后对额定电流做降额处理,保证在最大结温不超过规范限值。
  • 在测试阶段验证浪涌能力与重复通断寿命,确保在目标应用中有足够的可靠裕度。

七、小结

BT134W-600E 以其低触发要求(1.3V/5mA)、600V 的高耐压和紧凑的 SOT-223 封装,适合用于各种低到中等功率的交流开关与相位控制场合。设计时应重视散热、抗误触发与过压浪涌保护,合理进行降额与电路保护措施,可在家用电器、小型继电器替代和工业控制的低功率领域获得稳定应用。

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