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Hotend Resistor

Posted by neptix

neptix

Hotend Resistor
July 21, 2013 10:31PM

Registered: 11 years ago
Posts: 16

So I burnt out my hotend resistor the other day, and I can't find a replacement for it. Lee's and Main both hae 5.6 Ohm, 2 W resistors, but they are the wrong physical shape. Brad, I'm wondering where you got the resistors for the kits?

neptix

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lajos

Re: Hotend Resistor
July 21, 2013 11:06PM

Registered: 10 years ago
Posts: 180

My j-head from hotends.com came with this resistor.

Digikey part# 696-1087-ND, manufacturer part# UB5C-5R6F1. This resistor is 5.6 ohm 5 watt.

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neptix

Re: Hotend Resistor
July 22, 2013 12:17AM

Registered: 11 years ago
Posts: 16

As I'm unable to purchase things online, does anyone in the Vancouver area have a spare resistor I can buy/trade?

neptix

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Sublime

Re: Hotend Resistor
July 22, 2013 12:23AM

Registered: 13 years ago
Posts: 2,947

I got them with the hotends from hotends.com . You could try RPelectronics.

You could also change to a heater cartridge if they are easier to find.

FFF Settings Calculator	Gcode post processors	Geometric Object Deposition Tool Blog
Tantillus.org	Mini Printable Lathe	How NOT to install a Pololu driver

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lajos

Re: Hotend Resistor
July 22, 2013 07:17PM

Registered: 10 years ago
Posts: 180

I have about a dozen spares. If you can't find any, PM me, I can stick one in an envelope and snail mail it to you.

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Hobocop

Re: Hotend Resistor
August 30, 2013 02:32PM

Registered: 11 years ago
Posts: 15

What is the proper/ideal spec for the resistor? I need to order a new one as well. I can't see it in the BOM anywhere.

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Nyarlathotep

Re: Hotend Resistor
August 30, 2013 04:15PM

Registered: 14 years ago
Posts: 47

Tantillus uses a standard J-Head, which according to the wiki uses a 5.6 or 6.8 ohm, 5W, 1% axial resistor. They use a size C drill bit to bore the heater mount hole which is .242" or 6.15mm, and from the DigiKey link above, the specific resistor supplied with at least some J-Head hotends is :
Size / Dimension 0.217" Dia x 0.500" L (5.50mm x 12.70mm)

HTH!