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Need MOV for Parallax Power Converter
07-02-2010, 10:53 PM
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#1
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Junior Member
Join Date: Jul 2010
Location: Saxon, Wi
Posts: 4
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Need a MOV for a Parallax Power converter model 7345RU. The part #is FH-R515 and is toast. Does anyone know where I can get one. This is probably only a $3.00 part. Any and all help will be appreciated.
Thanks
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07-03-2010, 05:50 AM
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#2
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Senior Member
Workhorse Chassis Owner
Join Date: Sep 2009
Location: Ontario Canada
Posts: 268
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I was going to suggest Digikey but I just did a search on their site and it does not come up.
I also did a Google on the part number and there are lots of hits from others looking for the same item.
I have to go to the doctor right now but I will do some additional snooping when I get back if you don't have any Google Luck!!
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Ray, Sandra, and Zorro
2009 Safari Simba 34SBD
Workhorse (Of Course!)
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07-03-2010, 03:02 PM
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#3
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Junior Member
Join Date: Jul 2010
Location: Saxon, Wi
Posts: 4
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Thanks Ray,
I didn't have any luck on Google either. You would think that this part would be that hard to find.
Len
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07-04-2010, 05:08 AM
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#4
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Senior Member
Workhorse Chassis Owner
Join Date: Sep 2009
Location: Ontario Canada
Posts: 268
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I got back from the doc and started searching.
Lot's of dead end threads on other RV sites but no source for the part YET!
Seems to be a common problem.
I sent an email to a friend of mine that is a manager for Hutton up here in Canada. Between the two of us, we will find it! I just haven't looked in the right place yet.
Ray
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Ray, Sandra, and Zorro
2009 Safari Simba 34SBD
Workhorse (Of Course!)
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07-04-2010, 11:05 AM
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#5
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Senior Member
Workhorse Chassis Owner
Join Date: Jun 2003
Location: Full Timer - Sioux Falls, SD
Posts: 1,937
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Newark has a bunch of them TVS - Varistors, MOVs & MLVs | Newark.com
You will have to make some decisions about size, clamping voltage, current capacity and so forth to pick one though.
I would think about 18 volts and a few amps would work.
Most transients in the vehicle system are pretty short and don't contain much energy except for alternator load dumps which can last over 100 milliseconds as I recall.
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Clay WA5NMR - Fulltiming- 2004 Winnebago Sightseer 35N Workhorse chassis. Honda Accord toad.
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07-04-2010, 01:03 PM
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#6
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Senior Member
Workhorse Chassis Owner
Join Date: Sep 2009
Location: Ontario Canada
Posts: 268
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I am sure glad that you found that site. I was just about Googled out!
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Ray, Sandra, and Zorro
2009 Safari Simba 34SBD
Workhorse (Of Course!)
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07-05-2010, 08:50 PM
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#7
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Junior Member
Join Date: Jul 2010
Location: Saxon, Wi
Posts: 4
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Thanks Ray and Clay,
Thanks for the information, I'll give that site a visit and see what I can up with. I have to take a trip so I'll be awhile before I can do it. I'll let you know what the final outcome is.
Leonard
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07-22-2010, 03:20 PM
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#8
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Junior Member
Join Date: Jul 2010
Location: Saxon, Wi
Posts: 4
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The part that I thought was a MOV turned out to be a NTC Thermistor. The values are 2 ohm and 18 amp. I ordered 2 from Newark.com. Lets hope this fixes the problem. Thanks again for the help.
Leonard
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07-22-2010, 03:24 PM
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#9
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Senior Member
Workhorse Chassis Owner
Join Date: Sep 2009
Location: Ontario Canada
Posts: 268
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Glad you figured it out!
I wonder if some of the other people that had posted on other forums about the same part number figured it out?
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Ray, Sandra, and Zorro
2009 Safari Simba 34SBD
Workhorse (Of Course!)
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12-20-2010, 01:43 PM
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#10
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Junior Member
Join Date: Dec 2010
Posts: 1
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Quote:
Originally Posted by 2aces63
The part that I thought was a MOV turned out to be a NTC Thermistor. The values are 2 ohm and 18 amp. I ordered 2 from Newark.com. Lets hope this fixes the problem. Thanks again for the help.
Leonard
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I have the exact same problem - burned out a FH-R515 Thermistor. Having some problem figuring out which part number to buy at Newark.com. Can you give me the part number and did this solve your problem?
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12-23-2010, 09:45 PM
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#11
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Member
Join Date: Dec 2010
Posts: 93
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In 20 years of electronics, never heard of a thermistor with a current rating like that.
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