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On 8/12/14, 7:21 PM, mddeming--- via Tesla wrote:
Hi All,
I recently picked up a couple of diodes (5" black plastic rectangular rods) rated 200 ma @ 80 KV. A standard diode checker doesn't seem to work with ones this big. Is there an easy way to test them before they go in the circuit?
These things often have a tens of volts drop in the forward direction,
since they're made of stacks of diodes internally.
Try using a 24V power supply with a big resistor to limit the current
(1k would limit to 24mA worst case)