Timeline for Can I use 1N4148 diodes instead of a 1N4001 diode for reducing the speed of a 5V 1.8W fan?
Current License: CC BY-SA 4.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Oct 14, 2018 at 3:05 | review | First posts | |||
| Oct 14, 2018 at 7:09 | |||||
| Oct 4, 2018 at 16:17 | comment | added | D.A.S. | Power loss is unavoidable in linea mode and 50% at V/2. In fact 40 yrs ago the Japanese would expect a hot R and Thermistor to be cooled by fan to detect Fan Fail and cut off fan power | |
| Oct 4, 2018 at 14:55 | comment | added | Michel Keijzers | Yes indeed, I only could use resistors, but they need to be of high power. | |
| Oct 4, 2018 at 14:52 | comment | added | Tomomet | Actually, if you look on that formula I = P/U, with lower voltage u get higher current. I would prefer using some kind of PWM modulation - 555 as seen above | |
| Oct 4, 2018 at 14:45 | comment | added | Michel Keijzers | Btw, I could use maybe 3 or 4 diodes until I get under 300 mA right? | |
| Oct 4, 2018 at 14:42 | history | answered | Tomomet | CC BY-SA 4.0 |