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WeEn BTA204-600D,127 BTA204
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- We En BTA204-600D, 127
- Type
- WEEN
- Minimum package
- 1000 管
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- WEEN
- Electronic Component
- BTA204-600D,127
- Electronic Component
- 1
- Package
- TO-220AB
- Electronic Component
- Thyristor (SCR) / Module
- Electronic Component
- 2.12g
- Electronic Component
- 1
- Electronic Component
- BM0228692868
- Surge Current
- 27A
- Latching Current(Ih)
- 6mA
- Current(It)
- 4A
- Electronic Component
- Electronic Component
- Electronic Component
- 1000
- Voltage(Vtm)
- 1.7V
- Gate Voltage(Vgt)
- 1V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BTA204-600D,127 产品概述
一、概述
BTA204-600D,127 是 WeEn（瑞能）出品的一款逻辑触发型小功率三端双向晶闸管（TRIAC），封装为通孔 TO-220AB，适用于交流开关与相位控制场合。器件为灵敏栅极设计，门极触发电压低（Vgt = 1V），能够被低电平控制器或驱动电路直接驱动，适于需要小信号触发的应用。
二、关键规格
- 断态峰值电压 Vdrm：600 V
- 通态额定电流 It：4 A（连续）
- 通态峰值电压 Vtm：1.7 V（导通压降）
- 门极触发电流 Igt：5 mA（典型）
- 门极触发电压 Vgt：1 V（典型）
- 保持电流 Ih：6 mA
- 浪涌电流（短时峰值）：27 A
- 门极平均耗散功率 PG(AV)：500 mW
- 封装：TO-220AB（通孔，带散热孔）
三、主要特点
- 逻辑级灵敏栅极，低触发电压/电流，方便 MCU/逻辑直接驱动。
- 600V 抗压能力，适配市电及高压交流控制。
- 小型 TO-220AB 封装，便于通用安装与加装散热片。
- 可承受短时较大浪涌电流，适用于有启动冲击的负载（需按应用评估）。
四、典型应用
- 灯光调光、相位切割式调速器、家电交流负载控制
- 电加热器功率调节、固态继电器（SSR）模块
- 工业小功率交流控制与保护电路
五、驱动与保护建议
- 由于 Igt≈5 mA，用单片机驱动时通常在门极串阻值按 (Vdrive−Vgt)/Igt 计算，例如 5V 驱动时约取 800Ω—1kΩ；3.3V 驱动时约 330Ω—470Ω（实际取值应考虑器件典型/最坏情况）。
- 为抑制误触发与高 dv/dt，建议在必要时并联 RC 抑制网络（snubber）或增加门极旁路电阻。
- 虽然峰值浪涌可达 27A，但持续导通电流受散热限制；需根据负载与占空比选择是否加散热器，并参考完整规格书中的热阻与最高结温。
- 门极平均耗散 PG(AV)=500 mW，门极驱动时应避免超出该平均耗散限值以防损坏。
六、封装与散热
TO-220AB 封装支持通过螺丝安装到散热片，适合中小功率场合。安装时注意绝缘垫片与热阻变化，必要时采用绝缘片或隔离垫，并按系统热预算选择合适散热方案。
七、选型要点与可靠性提示
选用时确认工作电压余量（600V Vdrm）与负载电流（4A It）是否满足应用峰值与连续功率需求；注意保持电流 Ih 对最小可维持电流的要求，避免在极低电流下误断。建议在设计前查阅完整数据手册以获取热阻、最大结温及浪涌额定的详细定义，确保长期可靠运行。
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