Author Topic: substitution parts  (Read 6373 times)

Offline ratroder

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substitution parts
« on: May 02, 2010, »
i am looking for substitution parts for the following:

647-UHE1C681MPD     16volts 680uF   Nichicon Aluminum Electrolytic Capacitors - Leaded

652-4608X-2LF-680    8pins 680ohms  Bourns Resistor Networks & Arrays

660-CF1/4C181J            180ohms 5%     KOA Speer Carbon Film Resistors

thanks

Offline KeithTarpley

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Re: substitution parts
« Reply #1 on: May 02, 2010, »
Greetings,,,

Mouser has the resistor.

Digi-Key has

4608X-2-681LF-ND  Resistor network

493-1524-ND  Capacitor

For the resistor from the same place,

CF1/4180JRCT-ND

The first two are the same manufacturer product, just different Vendor part numbers.

Keith
"Now I know the only foe is time." -Moody Blues

Offline ratroder

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Re: substitution parts
« Reply #2 on: May 02, 2010, »
ok thanks.

Offline Freebird

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Re: substitution parts
« Reply #3 on: May 29, 2010, »
Any subsistutes for the Resistor network??  Can't find any anywhere.
One day I will fly out of the fog and all of this will be seen clearly!

Offline KeithTarpley

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Re: substitution parts
« Reply #4 on: May 30, 2010, »
Greetigns,,,

Might cost to ship, but here is some...

You are not allowed to view links. Register or Login .  Then input the part number 4608X-102-681LF .

I used quite a few on the last Coop, and had to order from more than one place then.  You might be able to get away with 680 resistors as a substitute, but better check with RJ, to be sure.

Keith
« Last Edit: May 30, 2010, by KeithTarpley »
"Now I know the only foe is time." -Moody Blues

Offline Freebird

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Re: substitution parts
« Reply #5 on: May 30, 2010, »
Thanks,  after seeing that shipping for these was a flat rate of 32.00 I think I better find a substitute. 

RJ,  any ideas on what I can use instead of these networks?  Thanks

Freebird.
One day I will fly out of the fog and all of this will be seen clearly!

Offline RJ

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Re: substitution parts
« Reply #6 on: May 30, 2010, »
Look at 858-L083C681LF  as a possible but untested. I do not like making subsitiute recommendations because I have not tested them and it seems to cause confusion and problems later on.

RJ
Innovation beats imitation - and it's more satisfying

Offline rm357

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Re: substitution parts
« Reply #7 on: May 30, 2010, »
The spec sheet indicates that the resistor network is made up of four 680 ohm resistors rated at .3 watt each with 1% tolerance. Four quarter-watt 680 ohm resistor with 1% tolerance should do the trick.

I've attached a capture of the wiring diagram for that "family" of resister modules
Robert
Warner Robins, Georgia, USA

Offline vairmoose

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Re: substitution parts
« Reply #8 on: May 31, 2010, »
I tripped over a Bourns document (found via link in Digikey) that there is another family of SIP resistor networks that appears to be equal...   look for 4308R-2-681LF-ND.     Packaging is a little different but otherwise I could not see any major (electrical) differences.    Digikey website showed 49 on hand...  (but didn't do a checkout to see what would happen next)...   

Larry

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Going live in 2012

Offline tombmatt

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Re: substitution parts
« Reply #9 on: October 15, 2010, »
okay in trouble now just got 10 pcbs from bill to add to my show for this year ordered the parts from mouser and the network resistors are back ordered   ---- to Aug or 2011. Looked up all the sub parts listed above and they are not carried or digikey had 8  of a alternate but they want $30.00 to ship. are there any other options. can i get 4 680 ohm 1/4 watt or 1/3 watt resisters and solder them into the pin holes ??? any suggestions desperately needed and appreciated???????  Help!!!!


Thanks  Tom

Offline n1ist

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Re: substitution parts
« Reply #10 on: October 16, 2010, »
It looks like the 680R network is the current limiters for the LEDs in the optocouplers.  4 680R  resistors will work fine; I would get 1/8W or 1/4W ones since larger ones may have trouble fitting.  The first goes between pins 1 and 2, the second between the next two pins, etc.
 
/mike

Offline Freebird

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Re: substitution parts
« Reply #11 on: October 16, 2010, »
TombMatt,   I may have 10  of the network resistors here.  Let me go thru my stuff this weekend and see what I have.  You can replace them when you get some in..

Freebird
One day I will fly out of the fog and all of this will be seen clearly!

Offline tombmatt

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Re: substitution parts
« Reply #12 on: October 17, 2010, »
if you have them that would be great. but it would be a long wait mouser says they wont get any in until august of next year so if you need to hold on to them thats fine. I did order some 1/4watt 680ohm resistors just in case..


Tom

Offline Freebird

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Re: substitution parts
« Reply #13 on: October 18, 2010, »
Tombatt
 I have 5 of the networks available if you need them.  Send me a PM with your address and I will get them in the mail to you. 

Freebird
One day I will fly out of the fog and all of this will be seen clearly!

Offline warspyder

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Re: substitution parts
« Reply #14 on: October 28, 2010, »
I found these You are not allowed to view links. Register or Login at HSC Electronic Supply. Will they work in place of the back ordered Mouser resistors?
Mark Coulter
Oak Harbor, WA