I find one www ref to this as 140 degree F = only 60 deg C, mounted with direct thermal contact on TO3 package, 60 watt in use, MJ15025. Surely higher than that. I will probably remove and test anyway
-- Diverse Devices, Southampton, England electronic hints and repair briefs , schematics/manuals list on
accurate kettle test can only take to 95 deg C and no switch over. Less accurate hot-air gun switches at 95 and reset at 75. As there is also SELCO OA212 printed on the active contact face it is probably, n/c,100 deg C
-- Diverse Devices, Southampton, England electronic hints and repair briefs , schematics/manuals list on
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