Author Topic: resistor wattage  (Read 1163 times)

Offline Nemesis

  • Millennium Poster
  • *
  • Posts: 1186
  • Post quality +0/-0
  • Gender: Male
resistor wattage
« on: July 17, 2008, 03:54:47 AM »
i dunno where to post this, and this probably has been asked before but i dunno what to type in the search bar as i get random topics coming up.
ok well i just need to know one small thing, if i meant to use a 1/4watt (0.25 watt) resistor for a little project, could i use a 2w resistor instead? i have been told that as long as it is the same wattage or more then i am meant to use (1/4 watt) then i would be fine, but can anyone confirm this?

thanks

Offline Blizzrad

  • Chaos Lover
  • *
  • Posts: 267
  • Post quality +0/-0
Re: resistor wattage
« Reply #1 on: July 17, 2008, 12:25:14 PM »
Yes, that is correct. All other things being equal, the higher wattage rating should be fine, (providing your application can also accommodate the larger physical size of the resistor).

Offline Nemesis

  • Millennium Poster
  • *
  • Posts: 1186
  • Post quality +0/-0
  • Gender: Male
Re: resistor wattage
« Reply #2 on: July 17, 2008, 12:45:16 PM »
well i am trying to create this circuit -


it is for programming a picaxe 08m PIC chip, as i tried to program it i would always get an error message. i was using these resistors - http://www.maplin.co.uk/Module.aspx?ModuleNo=2162&DOY=17m7

they are 0.6 watt resistors, and well i have been told that many other people have used 1/4 watt (0.25 watt) resistors and had no problem programming the chip, i cant find any single 1/4 watt resistors in maplins so i am wondering if i can use these 2 watt resistors instead to program it? - http://www.maplin.co.uk/Module.aspx?ModuleNo=5729&&source=14&doy=17m7

 

SMF spam blocked by CleanTalk
SimplePortal 2.3.5 © 2008-2012, SimplePortal