Description
DB3 is a DIAC, functions as a trigger diode with a fixed voltage reference. The device is used in conjunction with Triac to simplify the gate control circuit and as a starting element in fluorescent bulb ballast.
Technical Specification:
- Breakover Voltage: 28v to 36v
- Typical Breakover voltage: 32v
- Output voltage: 5v
- Breakover current: 50µA
- Leakage current: 10µA
- Peak current: 0.30A
- Rise time: 2µs
- Operating junction temperature: -40℃ to +125℃
Features:
- Low Forward Voltage Drop
- High Current Capability
- High Reliability
- High Surge Current Capability
Applications:
- Triggering device for Triac or SCR based motor / light dimmer
- 32 V trigger device for oscillator circuit
- Start up triggering in lighting ballast for CFL, TL or LED lamps