If you're suggesting using these in a main static spark gap, I think this
would be a poor choice. These tubes weren't designed to support the high
currents needed in a TC spark gap, and the tubes would fail in short order.
They were designed to shunt occasional, infrequent transients, not
continuous multi-hundred Amp currents.
With spark gaps, each gap presents a fixed on-voltage, and this represents
a loss equal to Von*Igap. Since so many would be needed in series to
achieve a useful breakdown voltage, the losses would be very high. This is
why I believe single segment (i.e. sucker) gaps to be superior to
multi-segment gaps.
Regards, Gary Lau
MA, USA
On Wed, Nov 9, 2011 at 11:23 AM, <vatercox@xxxxxxx> wrote:
Dear List,
would a telecoms protection gas-discharge tube of the type shown here
http://www.ebay.co.uk/itm/EPCOS-B88069X880S102-GAS-DISCHARGE-TUBE-150V-/250915565662?pt=UK_BOI_Electrical_Components_Supplies_ET&hash=item3a6bbbb05ebe of any use in a TC, even of the most modest capability? I know 150 volts
is a bit low but there are others with much higher voltage ratings
available, plus the tubes could theoretically be connected in series for a
greater breakdown voltage. Apart from that are there any pitfalls to be
wary of when using this kind of device?
Jolyon
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