K1 & K2 Power Plugs

[Cfzepp]

Does anyone happen to know the Mouser part number for the coaxial power plug
used on the K1 & K2 power cable?


                                                                             
  Thanks, Don

WA9TGT / Donnie Garrett / Muncie, IN
ARCI #6447, ARS #1717, AmQRP, ECI-QRP #001
K2 #4003, K2 #3186, K1 #1806, K1 #0416, SW-30+
LDG Z-11 Auto Tuner, 102' CF Zepp fed with 300 Ohm Line
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[Jim Wiley-2]

The K2 power connector is a Switchcraft  S-760, Mouser part number  
502-S-760, page 700 in Catalog 619.   The companion chassis jack, should
you want one, is a Switchcraft 722A, Mouser part number  502-722A.  
These connectors use a 2.1 MM center pin.  

- Jim, KL7CC


[hidden email] wrote:

>Does anyone happen to know the Mouser part number for the coaxial power plug
>used on the K1 & K2 power cable?
>
>
>                                                                              
>  Thanks, Don
>
>WA9TGT / Donnie Garrett / Muncie, IN
>ARCI #6447, ARS #1717, AmQRP, ECI-QRP #001
>K2 #4003, K2 #3186, K1 #1806, K1 #0416, SW-30+
>LDG Z-11 Auto Tuner, 102' CF Zepp fed with 300 Ohm Line
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>Elecraft mailing list
>Post to: [hidden email]
>You must be a subscriber to post to the list.
>Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft   
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>Elecraft web page: http://www.elecraft.com
>
>  
>

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[Tom Hammond-3]

WA9TGT / Donnie Garrett / Muncie, IN wrote:
>Does anyone happen to know the Mouser part number for the coaxial power
>plug used on the K1 & K2 power cable?

    Switchcraft #S760, Mouser part #502-S-760

    Technical specs:  ID  .080" (2.03mm), assume 2.1mm
                      OD  .218" (5.5mm) See NOTE below
           Barrel Length  .375" (9.52mm)

Note: Switchcraft does not list a 5.1mm (0.20") diameter
       barrel coaxial power connector. It appears that ALL
       of their coaxial pwr connectors are 5.5mm (0.218")
       in diameter.

       I used a caliper to confirm the outside diameter of
       the barrel of the plug I'd received from Elecraft.
       0.218" (5.5mm) on the button.

For more info on this Switchcraft connector, go to:

    http://www.switchcraft.com/

and search for "S760". The plug dimension specs are at the bottom of this
page, and if you click on selection #2 (760/S760) from the list at the top
of the page, you can download a single-page PDF which shows to detailed
engineering drawing of the plug, with references which will match to the
specs on the page noted above.

I believe this to be the power plug which we are using on our K2s and K1s.
They ARE better quality than the plugs available from R/S, if for no other
reason that the fact that the center cunductor of the Switchcraft plugs is
slightly recessed within the insulator, thus making it more difficult to
accidently short the positive lead to ground.

The apparent R/S equivalent (at least with regard to dimensions, NOT
quality) is their 274-1569 (5.5 x 2.1 mm).

The apparent DigiKey part #'s are:

      Plug SC-1052-ND (as Ron has stated)
    Socket SC-1153-ND (the SC-1155-ND is SMT)

NOTE that the 1998 DigiKey catalog from which I got this info had the
Switchcraft part #'s for the plug and jack SWITCHED. However the DigiKey
web site (www.digikey.com) had everything listed correctly.

Users are urged to RETAIN this information for the future when you will
surely need it. And WILL eventually need it... almost guaranteed!

73,

Tom    N0SS

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[Eric Swartz - WA6HHQ]

We also sell these 2.1MM power plugs as spare parts on our parts and mod
kits order page.
See: http://www.elecraft.com/order_form_parts.htm

73, Eric WA6HHQ
Elecraft
-----

> WA9TGT / Donnie Garrett / Muncie, IN wrote:
>
>> Does anyone happen to know the Mouser part number for the coaxial
>> power plug used on the K1 & K2 power cable?
>
>

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