| ??? 05/09/08 08:37 Read: times |
#154617 - read again Responding to: ???'s previous message |
Secondly, in Hfe Vs Ic graph(Page2) Hfe for 1A is shown as
64 [B]%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% PERCENTAGE [/B] I cant exactly explain why Hfe decreases with current, i forgotten this long time ago. What is really important - to not forgot that Hfe decreases with Ic . regards |
| Topic | Author | Date |
| Clarification on choosing Hfe | 01/01/70 00:00 | |
| search again | 01/01/70 00:00 | |
| Its max current is 0.6A | 01/01/70 00:00 | |
| so if You continue playing .. | 01/01/70 00:00 | |
| My doubt is only on choosing Hfe.. | 01/01/70 00:00 | |
| read again | 01/01/70 00:00 | |
| Any hfe will work | 01/01/70 00:00 | |
| Exactly! | 01/01/70 00:00 | |
| How driving it? PWM or ON/OFF? | 01/01/70 00:00 | |
| PWM and ON/OFF | 01/01/70 00:00 | |
| Use a MOSFET | 01/01/70 00:00 | |
| See the typical transistor curves | 01/01/70 00:00 | |
| Here comes the spoon... | 01/01/70 00:00 | |
| You replies are clear.. | 01/01/70 00:00 | |
| Higher heat dissipation | 01/01/70 00:00 | |
Thank You! | 01/01/70 00:00 |