DB3 DIAC Trigger Diode DO35 32V Bidirectional Trigger Device DB3 is a bidirectional DIAC trigger diode designed for reliable triggering of TRIAC and SCR circuits. It features a DO-35 hermetically sealed glass axial package, low breakover current, excellent voltage symmetry, and stable switching characteristics. Commonly used in light dimmers, fan regulators, motor speed controllers, heating controls, and electronic ballast circuits. The glass-passivated construction ensures high reliability and long service life in industrial and commercial applications. Key Specifications Parameter Value Part Number DB3 Device Type DIAC Trigger Diode Package DO-35 Glass Axial Power Dissipation 150mW Breakover Voltage (VBO) 28V to 36V (Typ. 32V) Breakover Current 50µA Max Peak On State Current 2A Operating Temperature -40°C to +125°C Mounting Type Through Hole Polarity Bidirectional RoHS Yes Applications • TRIAC Trigger Circuits • SCR Trigger Circuits • AC Light Dimmers • Fan Speed Regulators • Universal Motor Speed Controllers • Heat Control Equipment • CFL LED Ballast Starting Circuits • Industrial Control Systems Search Keywords DB3 DIAC Trigger Diode, DB3 Trigger Device, DO35 DIAC, Bidirectional Trigger Diode, TRIAC Trigger Diode, SCR Trigger Diode, Fan Regulator Diode, Light Dimmer DIAC, DB3 32V DIAC, Glass Axial DIAC