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November 27, 2014, 07:04:30 AM
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DIYstompboxes.com  |  DIY Stompboxes  |  Building your own stompbox  |  Replacing an LED with a Incandescent Bulb? 0 Members and 1 Guest are viewing this topic. « previous next »
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Author Topic: Replacing an LED with a Incandescent Bulb?  (Read 716 times)
aeiou
Posts: 46


Replacing an LED with a Incandescent Bulb?
« on: June 15, 2012, 08:38:10 PM »

can an LED be readily replaced with a small incandescent bulb in a 9v pedal circuit? what would i need to do to replace an led with this bulb?

https://www.interlight.biz/light-bulb/1812

alternatively -- is there a bulb out there that might work better?
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iccaros
Posts: 1145


Steve H. - Lesser Seattle Area


Re: Replacing an LED with a Incandescent Bulb?
« Reply #1 on: June 15, 2012, 10:33:05 PM »

Without knowing what this is going in, maybe..
in general yes, remove the resistor along with the LED
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davent
Posts: 2084


dave c. -Hammer Mtn. ON


Re: Replacing an LED with a Incandescent Bulb?
« Reply #2 on: June 16, 2012, 01:36:43 AM »

That is a rather large bulb and extremely power hungry, a brite LED can easily run at half a milliamp, that bulb's specs say 200ma.

Small Bear has a variety of small bulbs which are much easier on the power then the one you linked.

http://www.smallbearelec.com/servlet/Categories?category=LEDs%2C+Lamps%2C+Fuses&searchpath=26894&start=9&total=21

dave

edit: my spelling sucks
« Last Edit: June 16, 2012, 07:36:56 PM by davent » Logged

"If you always do what you always did- you always get what you always got." - Unknown
amptramp
Posts: 1969


Ron R.


Re: Replacing an LED with a Incandescent Bulb?
« Reply #3 on: June 16, 2012, 06:58:09 PM »

Don't forget that a lamp has a much higher inrush current than steady-state current.  For light bulbs, it is about 17 times the current.  For tube heaters, it is about 3.5 times the current.  The rating on a lamp is for the steady state.
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R.G.
more
Posts: 16313


WWW
Re: Replacing an LED with a Incandescent Bulb?
« Reply #4 on: June 16, 2012, 11:03:01 PM »

 uh... WHY??
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R.G.

Every single NASA manned mission starting with the Gemini series has carried a roll of duck tape.
Yes, really. Look it up.
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