BT149D Thyristor 400V 0.5A Through Hole TO-220

BT149D Thyristor 400V 0.5A Through Hole TO-220 The BT149D Thyristor is a high-performance, through-hole device designed for switching and controlling high-power circuits in a variety of applications. With a maximum repetitive peak reverse voltage of 400V and a current rating of 0.5A, this component is suitable for controlling AC power and offering reliable, efficient operation in a compact TO-220 package. The device is particularly useful in applications where precise control of power is essential, such as light dimmers, motor controllers, and overcurrent protection circuits. Features: • 400V maximum repetitive peak reverse voltage. • 0.5A average forward current. • Through-hole TO-220 package for easy mounting. • Low on-state voltage drop for efficient performance. Pin Configuration: Specifications: Product Attribute: Attribute Value Datasheet: BT149D Product Category: SCRs Series: BT149 Model: BT149D Package/Case: TO-220 Mounting Type: Through Hole Number of terminals: 3 Rated Repetitive Off-State Voltage VDRM: 400 V Off-State Leakage Current @ VDRM IDRM: 50 µA On-State RMS Current – It RMS: 0.8 A Maximum Gate Peak Inverse Voltage: 5 V Gate Trigger Voltage – Vgt: 500 mV Gate Trigger Current – Igt: 50 µA Current Rating: 0.5 A Holding Current Ih Max: 5 mA Non Repetitive On-State Current: 9 A Operating Temperature: + 125 C Applications: • General purpose switching and phase control. • Low power circuits. Datasheet: BT149D