Woops wrong way round.  The arrow points to the Cathode. Sorry.

On Monday, March 4, 2013 10:11:39 PM UTC+11, NoCampersFluffy wrote:
>
> Hello
>
> IN-3's have a little arrow imprinted into the glass near where the wires 
> exit at the bottom of the bulb.  The arrow points to the anode.
>
> On Monday, March 4, 2013 8:10:20 AM UTC+11, Smiffy wrote:
>>
>> As I read precious little Russian and can't figure this from the 
>> datasheet, could someone enlighten me as to which is the anode and the 
>> cathode in an IN-3?
>>
>> I'm assuming that the cathode is the silver electrode with the hole in 
>> the middle and the anode the smaller, grey, electrode - but don't want to 
>> commit this to an Eagle part and end up getting the entire board of 21 
>> tubes wrong! (They will be mounted flat to the board, leads bent through 90 
>> degrees. This is for a BCD clock.)
>>
>> Cheers
>>
>> M
>>
>

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