On 18-06-15 12:01 PM, 'Grahame' via neonixie-l wrote:
I've read that for green phosphors, P31 is supposed to be "tougher" than P1. But I've not seen data that compares phosphor life between other types.
Looked up the Original Registration by Mullard for P31, P32 and P33. Document gives persistence and Spectrum curves but no claims for lifetime. Zinc Sulphide with a copper activator.
Registered in 1960 under release 2746 along with type CRT 9RP33, which corresponds to Mullard type AL22-10. (P33 is Orange BTW)
(Having the JEDIC data is So handy, everyone should immediately send 50 bucks US to the Tube Collectors Association to get a copy)
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