View Single Post
  #17   Report Post  
Posted to sci.electronics.design,sci.electronics.basics,alt.binaries.schematics.electronic
Jim Thompson Jim Thompson is offline
external usenet poster
 
Posts: 2,221
Default Want to build a HEI ignition module similar to 70's style


On Thu, 25 Sep 2008 12:08:22 -0400, default
wrote:

On Thu, 25 Sep 2008 08:16:16 -0700, Jim Thompson
wrote:

Thoughts coming back to me... with a conventional ignition coil (from
a car points-type system), peak primary current was 11 Amps! So size
your MOSFET accordingly.


Coil resistance is 3.5 ohms, that's only 4 amps.


When hit with 350V ?:-)

...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona 85048 Skype: Contacts Only | |
| Voice480)460-2350 Fax: Available upon request | Brass Rat |
| E-mail Icon at http://www.analog-innovations.com | 1962 |

I love to cook with wine Sometimes I even put it in the food