Fwd: Re: [AMPS] More on the SB220

Jon Ogden jono@enteract.com
Thu, 18 Mar 99 10:17:40 -0600


I guess we learn something every day!  Didn't think of this!

73,

Jon
KE9NA

---------------- Begin Forwarded Message ----------------
Date:        03/18  10:00
Received:    03/18  10:05
From:        William L. Fuqua III, wlfuqu00@pop.uky.edu
To:          Jon Ogden, jono@enteract.com

A high current transient will open a film resistor but
not a wire wound or carbon comp. resistor. Sometimes
a film resistor can be blasted open with no visable signs
of damage.

73
Bill wa4lav

>
>Don't know why a 2W wirewound would have more dissipation capability than 
>a 2W metal film.  I'd put in a bigger wattage value anyhow if that's what 
>keeps blowing.
>

  William L. Fuqua III  P.E.  E-mail WLFUQU00@POP.UKY.EDU  Phone (606) 
257-4155
  Department of Physics and Astronomy      CP-177 Chem. Phys. Bldg.  
  University of Kentucky ,                 Lexington, Ky 40506-0055
 
  



----------------- End Forwarded Message -----------------

--------------------------------------------------------------------------
Jon Ogden

jono@enteract.com
www.qsl.net/ke9na

"A life lived in fear is a life half lived."


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