Depends on how fast the relay is. Just because its vacuum, doesn't mean
its fast!
I use solid state relays for cathode switching now days. Works great.
Thanks
73
Jim W7RY
On 2/19/2020 9:09 AM, Jim Thomson wrote:
Page 76 in the 2020 MFJ catalog.
A. 408-8100, $19.95. Kilovac S05FJA238, DPST-NO, contact form 2A. 5kV
rating between contacts, current is 10A DC or 5A RF, 12 VDC coil voltage and
500 Ohm coil resistance.
## Has anybody used this relay b4, for any application ? I was
going to use one (with contacts in parallel), to shunt the 100K
resistor in the CT, when on TX. (Bias cut off resistor on a GG
triode). $19.95 is cheap for a new vac relay. It only has to
handle cathode current. (sum of grid + plate current). I want it FAST.
## I have a small ceramic jennings spst-no, 3.6kv @ 10A I was going to
use for the same application, but alas, I can't find it in my
myriad of shelves + boxes.
Jim VE7RF
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