8.
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Life test (endurance):
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Temp. charac.
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Max. Cap, change from 25℃ Value over Temp, -25 ℃ to85 ℃ shall be: |
Equivalent to
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IEC
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EIA
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B
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+10%
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2B4
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Y5P
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D
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+20,-30%
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2D4
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Y5T
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F
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+30,-80%
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2F4
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Y5V,Z5V
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Capacitors shall be subjected to life test for 1000hours at 85℃ ± 3℃ and 100V DC. After removal from the oven , capacitor shall be cooled 1 to 2 hours to standard condition for testing , and then measured
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Cap. change: ± 10% for Temp. charac. B
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± 15 % for Temp. charac. D
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± 30% for Temp. charac. F
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tan δ ( quality factor): 5﹪ max. for Temp. charac. Band D; 7.5﹪ max. for Temp. charac.
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F
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Insulation resistance: 1000MΩ min
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9.
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Humidity life test( damp heat, accelerated):
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Capacitors shall be subjected to humidity life test 500hours at 40 ± 2℃ , 90 to 95%
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Cap. change: |
± 10% for Temp. charac. B |
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± 15% for Temp. charac. D |
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± 30% for Temp. charac. F |
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tan δ( quality factor): 4%max. for Temp. charac. B and D; 7.5%max. for Temp. charac. F
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Insulation resistance: 500MΩ min
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