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JSMSEMI BT138-600E BT138
Configuration
1 options
Configuration
Electronic Component
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- JSMSEMI BT138-600E
- Type
- JSMSEMI
- Minimum package
- 50 管
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- JSMSEMI
- Electronic Component
- BT138-600E
- Electronic Component
- 1
- Package
- TO-220
- Electronic Component
- Thyristor (SCR) / Module
- Electronic Component
- 2.24g
- Electronic Component
- 1
- Electronic Component
- BM0234692818
- Surge Current
- 95A
- Thyristor Type
- 1 Thyristor
- Latching Current(Ih)
- 35mA
- Current(It)
- 12A
- Electronic Component
- Electronic Component
- Electronic Component
- 50
- Voltage(Vtm)
- 1.65V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
BT138-600E 产品概述
一、产品简介
BT138-600E 为双向晶闸管（双向可控硅），由 JSMSEMI（杰盛微）提供，封装为常见的 TO-220。该器件面向交流相控与开关应用，能在两向电压下通过门极触发实现导通与关断。器件结构适合对交流负载进行无源或有源切换控制，兼具可靠性与成本效益。
二、主要参数
- 可控硅类型：1个双向可控硅
- 断态峰值电压 (Vdrm)：800 V
- 通态峰值电压 (Vtm)：1.65 V（导通时压降典型值）
- 通态电流 (It)：12 A
- 浪涌电流：95 A（单次浪涌能力）
- 门极触发电压 (Vgt)：1.5 V
- 门极触发电流 (Igt)：5 mA
- 保持电流 (Ih)：35 mA
- 门极平均耗散功率 (PG(AV))：500 mW
- 封装：TO-220
三、性能特点
- 高耐压：800V 断态峰值电压，适合高压交流工况。
- 低触发门槛：Vgt≈1.5V，Igt≈5mA，便于与微控制器或驱动电路直接配合。
- 良好瞬态承受力：95A 的浪涌电流能应对启动或短时过载脉冲。
- 均衡的导通损耗：Vtm≈1.65V，在中等电流范围内能保持较低压降，但在大电流工作时需注意散热管理。
四、典型应用
- AC 相位控制调光、速度调节器、加热器功率控制。
- 工业交流开关、继电保护、交流固态开关。
- 家电与照明控制电路中作为交流功率控制元件。
五、使用与注意事项
- 门极驱动：保证门极电流超过 Igt 并维持合适脉宽以确保可靠触发；避免长时间在接近 Igt 的边界区工作。
- 保持电流：负载电流必须超过 Ih，方能维持导通状态；否则器件可能自行关断。
- 散热管理：在接近额定通态电流时，Vtm 会导致明显的功耗，应配合适当散热片或热阻路径设计，避免过热。
- 浪涌与保护：尽管器件具备 95A 短脉冲能力，仍建议在应用中配合限流器件或过电流保护以延长寿命。
- 并用与抑制：用于感性负载时，建议采用 RC 缓冲或抗瞬变电路（snubber）以抑制过压与误触发。
六、封装与引脚说明
TO-220 封装便于安装散热片并实现较高功率处理能力。引脚排列与标准 BT138 系列一致，安装时注意绝缘与与散热片的电气连接关系，以免引起短路或接地问题。
总结：BT138-600E 以其高耐压、低触发门槛和良好的浪涌承受能力，适合中高压交流功率控制场景。但在实际设计中需重视门极驱动、散热与保护电路的配合，以确保长期稳定运行。
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