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continued on the following page. (*1) "room condition" temperature: 15 to 35c, relative humidity: 45 to 75%, atmospheric pressure: 86 to 106kpa solder the capacitor to the testing jig (glass epoxy board) shown in fig. 1. then apply 10n force in the direction of the arrow. the soldering should be done using the reflow method and should be conducted with care so that the soldering is uniform and free defects such as heat shock. fig. 1 10 adhesive strength of termination no removal of the terminations or other defect should occur. a static load of 10n using a pressure rod should be applied to the center in the direction of the arrow and held for 10 s. 9 strength of metal terminal termination not to be broken or loosened step temperature (c) 252 min. operating temp. 3 252 max. operating temp. 2 252 1 2 3 4 5 rated voltage test voltage 250% of the reted voltage 200% of the reted voltage 150% of the reted voltage 120% of the reted voltage dc16v, dc25v, dc35v, dc50v, dc63v dc100v, dc250v dc630v dc1000v the capacitance measurement should be made at each step specified in the table. u*ii>?i? perform a heat treatment at 150+0/C10c for 605 min. and then let sit for 242 hrs. at room condition. (*1) 8 capacitance temperature characteristics x5r char.: within 15% (temp. range: -55 to +85c) x6s char.: within 22% (temp. range: -55 to +105c) x7r char.: within 15% (temp. range: -55 to +125c) 7 dissipation factor (d.f.) [krm21, krm31] w.v.: 16v/25v/35v : 0.15 max. w.v.: 50v : 0.025 max. w.v.: 100v : 0.05 max. [krm55] 0.025 max. the capacitance/d.f. should be measured at reference temperature at the meaning frequency and voltage shown in the table. 6 capacitance within the specified tolerance the insulation resistance should be measured with rated voltage and within 605 sec. of charging. 5 insulation resistance (i.r.) [krm21, krm31] w.v.: 16v/25v/35v : more than 50m f w.v.: 50v/100v : more than 500m f [krm55] more than 100m f no failure should be observed when voltage in the table is applied between the terminations for 1 to 5 sec., provided the charge/discharge current is less than 50ma. 4 dielectric strength no defects or abnormalities using calipers and micrometers 3 dimensions within the specified dimensions visual inspection 2 appearance no defects or abnormalities reference temperature: 25c 1 operating temperature range x5r char.: -55 to +85c x6s char.: -55 to +105c x7r char.: -55 to +125c no. test method specifications item high capacitance for general use krm series specifications and test methods measuring voltage nominal capacitance ac0.50.1v(r.m.s.) ac1.00.2v(r.m.s.) c>10f c v 10f measuring frequency 12024hz 10.2khz pressure pressure rod r 0.5 0.5l 10n, 10 t 1s glass epoxy board
u?v>?i?v,iv??-??`i??} see item 13 solderability of termination u?v>?i?v-??`i??}?? temp. of solder: 35010c solder time: 4+1/-0 s let sit for 242 hrs.at room condition,* then measure please refer to "caution (soldering and mounting) correction with a soldering iron" 14 ,i???>?vi ?-??`i??} i> ??i>>?vi no marking defects
>?>v?>?vi
?>?}i within 10% d.f. in accordance with item no.7 , in accordance with item no.5 ?i?iv?v -i?}? in accordance with item no.4 reflow soldering: peak 260+0/-5c the area of soldering 230c min., 20 to 40 s let sit for 242 h at room condition,* then measure. u*ii>?i? perform the heat treatment at 150+0/-10c for 605 min. and then let sit for 242 h at room condition. (*1) 13 -??`i>l???t?v /i???>??? the metal surface is soldered well solder the capacitor to the testing jig (glass epoxy board) shown in fig. 2. then apply a force in the direction shown in fig. 3. the soldering should be done using the reflow method and should be conducted with care so that the soldering is uniform and free of defects such as heat shock. (in mm) fig. 3 12 iv?iv??? no marking defects fig. 2 (in mm) b a c 100 40 ?4.5 t : 1.6 d capacitance meter flexure: v 5 20 50 r4 45 45 speed: 1.0mm/s pressurize /t?i ??i?????-??? > 1.2 2.2 4.5 l 4.0 5.0 8.0 v 1.65 1.65 5.6 ` 1.0 1.0 1.0 krm21 krm31 krm55 300c 200c 180c 230c min. 260+0/-5c 60 to 120 s 20 to 40 s 150c 100c solder the capacitor to the test jig (glass epoxy board). the capacitor should be subjected to a simple harmonic motion having a total amplitude of 1.5mm, the frequency being varied uniformly between the approximate limits of 10 and 55hz. the frequency range, from 10 to 55hz and return to 10hz, should be traversed in approximately 1 min. this motion should be applied for a period of 2 hrs. in each of 3 mutually perpendicular directions (total of 6 hrs.). 11 6?l>??? ,i???>?vi ??i>>?vi no defects or abnormalities
>?>v?>?vi within the specified tolerance d.f. in accordance with item no.7 solder resist cu glass epoxy board continued from the preceding page. continued on the following page. (*1) "room condition" temperature: 15 to 35c, relative humidity: 45 to 75%, atmospheric pressure: 86 to 106kpa ? /i?i??` -?iv?v?v>???? i? high capacitance for general use krm series specifications and test methods
(*1) "room condition" temperature: 15 to 35c, relative humidity: 45 to 75%, atmospheric pressure: 86 to 106kpa apply voltage as in the table for 1000+48/-0 hrs. at maximum operating temperature 3c. remove and let sit for 242 hrs. at room condition, (*1) then measure. the charge/discharge current is than 50ma. u*ii>?i? perform a heat treatment at 150+0/-10c for 605 min. and then let sit for 242 hrs. at room condition. (*1) (*2) krm21, krm31: 150% of the rated voltage 17 ?vi ??i>>?vi no marking defects
>?>v?>?vi
?>?}i within 15% (rated voltage: dc16v to dc100v) within 20% (rated voltage: dc1000v) d.f. [krm21, krm31] w.v.: 16v/25v/35v : 0.2 max. w.v.: 50v/100v : 0.05 max. [krm55] 0.05 max. i.r. [krm21, krm31] w.v.: 16v/25v/35v : more than 25m f w.v.: 50v/100v : more than 50m f [krm55] more than 10m f ?i?iv?v -i?}? in accordance with item no.4 ,>i`6??>}i ????i`6??>}i 200% of rated voltage (*2) 150% of rated voltage 120% of rated voltage 110% of rated voltage dc16v, dc25v, dc35v, dc50v dc63v, dc100v, dc250v dc630v dc1000v let the capacitor sit at 402c and relative humidity of 90 to 95% for 500+24/-0 hrs. remove and let sit for 242 hrs. at room condition,* then measure. u*ii>?i? perform a heat treatment at 150+0/-10c for 605 min. and then let sit for 242 hrs. at room condition. (*1) 16 ???`?t --i>`t ->i? ??i>>?vi no marking defects
>?>v?>?vi
?>?}i within 15% d.f. [krm21, krm31] w.v.: 16v/25v/35v : 0.2 max. w.v.: 50v/100v : 0.05 max. [krm55] 0.05 max. i.r. [krm21, krm31] w.v.: 16v/25v/35v : more than 12.5m f w.v.: 50v/100v : more than 50m f [krm55] more than 10m f ?i?iv?v -i?}? in accordance with item no.4 fix the capacitor to the supporting jig (glass epoxy board) shown in fig. 4. perform the 100 cycles according to the 4 heat treatments listed in the following table. let sit for 242 hrs. at room condition,* then measure. u*ii>?i? perform a heat treatment at 150+0/-10c for 605 min. and then let sit for 242 hrs. at room condition. (*1) fig. 4 15 /i??i>?i
tv?i ??i>>?vi no marking defects
>?>v?>?vi
?>?}i within 7.5% d.f. in accordance with item no.7 i.r. in accordance with item no.5 ?i?iv?v -i?}? in accordance with item no.4 -i? /i??i>?i-c
? min. operating temp. 3 room temp. max. operating temp. 2 room temp. /??i-???? 303 2 to 3 303 2 to 3 1 2 3 4 solder resist cu glass epoxy board continued from the preceding page. ? /i?i??` -?iv?v?v>???? i? high capacitance for general use krm series specifications and test methods

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