STMICROELECTRONICS TMMDB3 DIAC Trigger Diode, 32V, MiniMELF, Surface Mount

The TMMDB3 from STMICROELECTRONICS is a reliable DIAC designed as a trigger diode with a fixed voltage reference, ideal for use in modern electronic circuits. This component operates with a breakover voltage range of 28V to 36V and can handle a maximum breakover current of 100µA, ensuring precise triggering performance in a variety of applications.

Its compact MiniMELF case style and surface mount design make it suitable for automated assembly and space-constrained layouts. The DIAC is commonly used in conjunction with TRIACs to simplify gate control circuits, providing efficient and stable switching. It also serves as a starting element in fluorescent lamp ballasts, contributing to reliable ignition and operation.

Key Features

• Fixed voltage reference for consistent triggering
• Breakover voltage: 28V to 36V
• Maximum breakover current: 100µA
• MiniMELF surface mount package
• 2 pins for easy integration
• Operating temperature up to 125°C, suitable for demanding environments

This DIAC is a practical choice for engineers and hobbyists working on lighting controls and power management systems. Its robust construction and defined electrical characteristics ensure dependable performance in a range of electronic designs.