View Full Version : 1/24th DiFalco Controller

E Force 1
08-30-2007, 09:50 AM
Can anyone post the part number stamped on the economy brake pot and sensitivity pot on their DiFalco E-motion controller here, please?

08-30-2007, 10:19 AM
There 3 Brake Rheostats for Difalco
DD806-Brake Rheostat-$31.24
DD807-Brake Rheostat-Pro Variable-$29.99
DD836-Economy Brake Rheostat-$11.99

If you go to Eagle Distributing website he lists all the Products he carries with Retail Prices.


E Force 1
08-30-2007, 02:18 PM
Thanks, but that is not what I was looking for. I need the actual numbers on the pots themselves. :(

08-31-2007, 12:17 PM
I can tell you that if you order the parts through small order distributors such as Newark, Digikey and Mouser...you'll pay as much or more for the components than if you ordered them through a slot car shop.

I should know...in my real life I'm a marketing manager for Newark.

Best to order them with the part numbers given and keep the money that you'd send to these distributors in the slot car racing community.


08-31-2007, 07:20 PM
Does difalco have a web site where you can see the products? ADMERRELL

Owl Chump
08-31-2007, 07:49 PM
Here is the address for Jim DiFalco's website...

http://www.difalcoonline.com/ :D

Does difalco have a web site where you can see the products? ADMERRELL

01-16-2008, 05:09 AM
The economy brake pot on the Difalco controllers is a 25 ohm pot.

You can buy them at Radio Shack for $4.00.

Just replaced on this week for a racer.

Direct replacement part.

01-16-2008, 05:56 AM
the pot that radio shack sells is a wire wound reostat the one that comes in the difalco is a carbon pot they are different. the radio shack one is alot harder to turn.

also i have see the senc pot be from 25,50,and 100 ohms. I would buy them from the race way to help suport them and the manufactures.

Most of the econo brake pots are 5ohm

Thanks Mike.

01-16-2008, 07:16 AM
The economy brake pot on the Difalco controllers is a 05 ohm pot, not 25. is manufactured by CTS CORPORATION, and you can buy at digikey. ref. CT2150-ND 026TB32R5AOB1A1

01-16-2008, 08:34 AM
You want the wirewound. Carbon film will delaminate and warp after heating and considered inferior. I would work through Difalco or your raceway first. Keep it in the slot.
Keep in mind no brake pot is inviciable if you hook up wrong and your fuse is not incorperated on the brake end.

The Difalco sensitivity pot is a 50 ohm 5 watt wirewound. CTS number 026T332R500B1A4. Digitkey has it at $3.61 ea plus about 10 for shipping. http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=CT2153-ND

Vecessi is correct the econo brake pot of both the Defalco and the DR40 are CTS wirewound 5 ohm 5 watt not a 25 ohm. The RadioShack linear pot is a carbon and simply won't do and is to fragile. Since this an adjust and leave unit smoothness is not important. I like a slightly notch brake pot so I can tell how much I have step changed the pot by feel not sight.

If your into PDF data sheets: http://www.ctscorp.com/components/Datasheets/026.pdf
As per the number mentioned 026TB32R5A0B1A1 is correct also listed as:

Digi key has it listed as a stock number CT2150-ND at about $3.61 plus add shipping which will probaly make more than what you can get from your raceway. http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=CT2150-ND


The Pro brake pot is an 2 or 3 ohm 7 or 12 watt wirewound Ohmite or Vishay. It is a better choice if you do a lot of racing in a day as it is a bit more durable. It is also quite expensive currently at $26.08 plus shipping and going up as I write. This has a quite notchy feel but is larger wire.

Again if you into Data sheets: http://www.ohmite.com/catalog/pdf/rheostats_wirewound.pdf

DigiKey has it listed in 3 ohm as part number RES2R0E-ND: http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=RES3R0E-ND

The 2 ohm is same price partnumber RES3R0E-ND: http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=RES2R0E-ND

The 6 ohm is hard to find in the pro brake.

If you feel like experimenting on the brake pot end. A trick on a 10 or 15 ohm varible 5 watt wirewound is to parallel a 8 to 10 to 15 ohm 5-10 watt fixed resistor to achive a 3 to 5 ohm total brake pot. If you look at the picture above you would solder a fixed resistor value lead to the outer two tabs.

Any varible resistor can be value changed by basicly (thus experiment) using the same value of ohmage to change total value to roughly half by paralleling a fixed resitor in the cuircut. In eurosport racing I use a simple switched unit to change the senativity range on my controller for different motor winds so it can be done on both resistor units, brakes and sensativity.

Gee....Jeff: I buy from Newark all the time http://www.newark.com/ . The MJ14001-G or MJ14002-G transistor he he look it up.....


01-16-2008, 04:48 PM
Well then if you're a Newark customer Raymond, you'll soon be receiving this in the mail:

<a href="http://www.flickr.com/photos/22872648@N02/2198629164/" title="Jeff Page 1 by jgoldberg1954, on Flickr"><img src="http://farm3.static.flickr.com/2369/2198629164_a6cffc7fd3_o.jpg" width="320" height="380" alt="Jeff Page 1" /></a>

Just remember, you knew me when...

M G Brown
01-16-2008, 07:11 PM
A toast!


01-21-2008, 12:04 AM
We have a celebrity amongst us!

Or should I say "cerebraty"??? :p

I'd bet that anyone who's met JayGee (aka Jeff Goldberg) recognizes that noggin - even from the backside.

So when did you get the cool circuitry tatoo - or does it simply glow from within under special lighting??? :p

I'm just speculating that we should all feel fortunate, and perhaps it was no accident... that they didn't portray our humble controller guru from the FRONT view!!! :eek:

Better get a talent agent lined up soon, Jeff - I sense a potential future in noggin modeling for you!

Just teasing Jeff - after all, if your new-found fame went to your head, then your noggin might get too big to fit the cover! ;)

Congrats on the cover shot. Maybe not the cover of Rolling Stone - but within your industry, perhaps it's close.

So when will autographed copies be available??? At the ISRA USA Masters???