Hi … but not a Cannon connector. If you get those inserts along with a few signal leads, they are up into the $50 to $200 a pair range. They also don’t do terribly well in vibration.
Bob > On Jun 22, 2017, at 8:34 PM, Arnold Tibus <[email protected]> wrote: > > Bob, > > look to this spec. data from Amphenol found @ Mouser as example: > > Current Rating: > power Contacts: 55 Amperes (per contact) > Signal Contacts: 5 Amperes (per contact) > Contact Resistance: > Power Contacts: .25 milliohms max > Signal Contacts: 20 milliohms max > Insulation Resistance: 5000 Megohms > DWV: 1500V DC > Operating Temperature: -40°C to +105°C > > http://www.mouser.com/ds/2/18/LCC17_BRO-44772.pdf > > ok, for shure more expensive (LCC17-A3W3SM-2N0, > <http://www.mouser.de/ProductDetail/Amphenol-Commercial-Products/LCC17-A3W3SM-2N0/?qs=sGAEpiMZZMv3qGlUeJulRG8yb3Pdn%252bYMJfJuKobi5wY%3d> > $ 9.45 per con. one side, solder connection) > http://www.mouser.com/ds/2/276/Mixed_Layout-472362.pdf e.g. for crimped > contacts > > Not of interest? > > But sorry, even being very interesting, I think we should not stress too much > the term 'time' in this discussion here ;-) . > > kind regards > Arnold, DK2WT > > > Am 23.06.2017 um 01:33 schrieb Bob kb8tq: >> Hi >> >> You can get and use PP’s at 30 to 50A in a 12V circuit without frying them >> or the cable they are >> attached to. Doing the same with a “Cannon” connector is not at all easy >> ….You can also bump up >> to the larger PP’s and get into a couple of hundred amps. >> >> Bob >> >>> On Jun 22, 2017, at 6:54 PM, Arnold Tibus <[email protected]> wrote: >>> >>> >>> Hello, >>> >>> I can second Magnus and want to throw in some more details. >>> Cannon, Deutsch, Bendix, Souriau, Matrix, Amphenol, etc. etc. are (big) >>> companies manufacturing all kind of connectors and are n o t connector >>> type designations! Important are the type numbers of the manufacturer or >>> higher level specification numbers. >>> We used in the aircraft and spacecraft business naturally the military >>> (MS-) numbers listed in the MIL-QPL (or eg. for Spacelab with GSFC spec. >>> no). Most types of connectors are under these numbers available from >>> different manufacturers, of course with different manufacturer in house >>> part numbers. Attention: the 'same' connectors may be bought w/o the >>> Mil.-spec. sheets with somewhat lesser quality. Important details are >>> the max. mating number, the contact resistance (e.g. 20 mOhm) and the >>> max. continuous current, max. Voltage, vibration resistance and >>> reliability etc. Of course, this makes good connectors somewhat >>> 'expensive'. Hirel and non-magnetic gold plated D- subminiture type >>> connectors do survive e.g. the rocket launch phase (high vibrations), >>> vacuum and low temperatures and are still used for space projects. >>> >>> The D-sub series of connectors was introduced by Cannon in 1952. They >>> are still available as standard, hirel, and non-magnetic versions. The >>> contacts were machined contacts forcrimping or soldering connection and >>> made of massive copper with gold finish. (more see e.g. >>> https://en.wikipedia.org/wiki/D-subminiature). Example for the standard >>> 9 pin connector designation (crimp): DEMAM-9S and DEMAM-9P. Today are a >>> big number of companies producing equivalent types. Cheap ones are >>> equipped with contacts made of sheetmetal. Nobody should expect then the >>> same spec. values as reliability, mating numbers, contact power rating etc. >>> It is up to the designer of a product to be informed and select the >>> right quality device for his product ... >>> >>> I hope I could enlight a bit the connector selection and nomenclature point. >>> >>> regards, 73 >>> >>> Arnold, DK2WT >>> >>> >>> >>> Am 22.06.2017 um 21:10 schrieb Magnus Danielson: >>>> Hi, >>>> >>>> The second connect has been called "Cannon" and XLR, and is not >>>> generally recogniced as XLR, which is the product range name. >>>> >>>> Naming of the first connector as "Cannon" is at least for me and many >>>> others confusing. This is a good example how vendor name for a >>>> connector type is not a good thing. The first connector is a circular >>>> MIL-STD connector (don't remember the correct notation), and this is a >>>> product available from ITT Cannon as well as AMP. >>>> >>>> Cheers, >>>> Magnus >>>> >>>> On 06/22/2017 08:42 PM, Mark Spencer wrote: >>>>> Sorry if I have caused any un due confusion thru my perhaps incorrect >>>>> use of the terms "cannon" and "XLR." >>>>> The green connector with 4 separate female contacts is what I >>>>> perhaps in correctly referred to as a "cannon" connector. The silver >>>>> connector with 3 separate female contacts was what I perhaps >>>>> incorrectly referred to as a "XLR" connector. >>>>> >>>>> Both were in use in my lab powering time nuts gear. >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> Mark Spencer >>>>> >>>>> [email protected] >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> time-nuts mailing list -- [email protected] >>>>> To unsubscribe, go to >>>>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >>>>> and follow the instructions there. >>>>> >>>> _______________________________________________ >>>> time-nuts mailing list -- [email protected] >>>> To unsubscribe, go to >>>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >>>> and follow the instructions there. >>> _______________________________________________ >>> time-nuts mailing list -- [email protected] >>> To unsubscribe, go to >>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >>> and follow the instructions there. >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
