[Elecraft] KPA100 SO-239 Help
Mike Fatchett W0MU
w0mu at w0mu.com
Fri Feb 25 13:47:40 EST 2011
He is talking about prior to soldering. I have seen these too. So has
HRO who had to send a bunch back for just this reason.
On 2/25/2011 11:38 AM, Ron D'Eau Claire wrote:
> An SO/PL239 is pushed on, not twisted, until the face of the male is against
> the ridged edge of the female, then the outer shell is threaded on and
> tightened. The center pin never turns nor has any torque applied.
>
> I cannot picture how you could "spin" the CENTER conductor. That would
> require twisting the coax attached to the male half.
>
> Ron AC7AC
>
> -----Original Message-----
> I've found the same problem with two batches of Teflon insulated, single
> hole mount SO-239 connectors manufactured in China and purchased from RF
> Connection. The center pin spins within the Teflon bushing and unless
> the user is extremely careful when connecting a PL-259, the wire
> connected to the center conductor will break off.
>
> I returned one batch and received a second batch that were supposed to
> be correct and found the same problem. I rejected those as well.
>
> I agree that a connector with this problem should not be used - too
> great a risk of damage to the internal wiring.
>
> Jack K8ZOA
>
> On 2/25/2011 12:58 PM, dw wrote:
>> Hi John,
>> If it were me, and there is a possibility that the inner wire soldered
>> to the inner pin could freely spin around during the process of taking
>> on/off coax at the back of the unit, I would not take the risk of
>> compromising the inner wire such that it could twist, bird-cage or
>> possibly short to gnd.
>>
>> N1BBR
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Elecraft at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
More information about the Elecraft
mailing list