STMICROELECTRONICS TMMDB3 DIAC Trigger Diode, 32V, MiniMELF, Surface Mount
STMICROELECTRONICS TMMDB3 DIAC, 32V trigger, MiniMELF, surface mount. Ideal for TRIAC circuits & ballasts.
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.
- Gate control circuits with TRIACs
- Starting element in fluorescent lamp ballasts
- Lighting applications
- Power management systems
- Type: DIAC
- Breakover Voltage Min: 28V
- Breakover Voltage Max: 36V
- Breakover Current Max: 100µA
- Case Style: MiniMELF
- No. of Pins: 2
- Operating Temperature Max: 125°C
- Mounting Type: Surface Mount
- Product Weight: 0.05 grams
- Height: 43 mm
- Width: 33 mm
- Depth: 15 mm
- Diac / Sidac Case Style: MiniMELF
- of Pins: 2Pins
- Thyristor Mounting: Surface Mount
- SVHC: No SVHC (25-Jun-2025)
Documents
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