KIM Uno /PiDP-11 plans...

Ethan Dicks ethan.dicks at
Fri Oct 23 12:31:33 CDT 2015

On Fri, Oct 23, 2015 at 1:22 PM, Noel Chiappa <jnc at> wrote:
>     > OK, I've cracked the part number code. The things we are looking for are:
>     >   7101J50 CxE
>     >   7108J50 CxE
>     > ...
>     > the C+K Web site showed two places (Electro-Sonic and
>     > Online-Components) stocking 7101J50 CQE2's .. investigating further now.
> OK, so I've ordered 10 7101J50-CQE2's from Online (that was their minium
> order, sigh). _Iff_ they fit into the old front panels, I'll let the list
> know.

Cool.  I have a DEC PCB that needs all switches (and I have the DEC
mounting frame with the square holes), and I've borrowed a full 11/70
front panel that needs 1-2 switches, and I'm sure the owner would like
an inexpensive replacement.

> Nobody had the 7108J50C's (the momentary contact ones)

Unsurprising.  Those are far less common.

> but if the 7101J50C's are the Right Thing, I'm prepared to order a batch of the 7108's from C+K;
> the minium order looks like 40 or so (and resell at cost to anyone who needs one);

I may be very much interested in this.

> The ones from Online are like $5 each, which sounds a lot for a switch

If you've ever had to order switches, it's not a lot.  It's about
average for the type.

> Anyway, let's see if the 7101J50-C's fit, then we can discuss how to proceed.



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