Timeline for Power rating for opto-triac trigger circuit resistors
Current License: CC BY-SA 3.0
8 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 17, 2016 at 3:42 | answer | added | Jasen Слава Україні | timeline score: 2 | |
| Jan 16, 2016 at 15:21 | comment | added | jippie | The bulb will not change the power rating of the transistors. The TRIAC does depend on the bulb used. | |
| Jan 16, 2016 at 13:35 | comment | added | Andrew | @jippie ill check the voltage ratting when i know the appropriate resistance power that will handle the bulb | |
| Jan 16, 2016 at 13:27 | comment | added | jippie | It may very well have to do with the voltage rating of the resistor. A regular low power resistor is often rated for 200V max. across it. Resistors with higher power rating often come with a higher voltage rating too. Check its datasheet. | |
| Jan 16, 2016 at 13:12 | comment | added | Andrew | @transistor and for the 39 resistor, how much watt do i need ? | |
| Jan 16, 2016 at 13:07 | history | edited | Transistor | CC BY-SA 3.0 |
Edited title.
|
| Jan 16, 2016 at 13:05 | comment | added | Transistor | The 360 Ω resistors are just for the trigger circuit (not the snubbing circuit). 1/2 W should be fine. If in doubt run the circuit with lamp off for one minute, isolate mains and feel resistor temperature. Repeat test with lamp on. You can always use a higher wattage than specified. It will just run cooler (and take up more space). | |
| Jan 16, 2016 at 12:54 | history | asked | Andrew | CC BY-SA 3.0 |