High Capacitance for General Use KRM Series Specifications and Test Methods No. Item Specifications Test Method 1 Operating Temperature Range X5R Char.: -55 to +85C X6S Char.: -55 to +105C X7R Char.: -55 to +125C Reference temperature: 25C 2 Appearance No defects or abnormalities Visual inspection 3 Dimensions Within the specified dimensions Using calipers and micrometers 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 5 Insulation Resistance (I.R.) [KRM31] W.V.: 25V : More than 50M * F W.V.: 50V/100V : More than 500M * F [KRM55] More than 100M * F 6 Capacitance Within the specified tolerance Dissipation Factor (D.F.) [KRM31] W.V.: 25V : 0.15 max. W.V.: 50V : 0.025 max. W.V.: 100V : 0.05 max. [KRM55] 0.025 max. 7 Rated Voltage DC25V, DC50V, DC63V DC100V Test Voltage 250% of the rated voltage 200% of the rated voltage The insulation resistance should be measured with Rated Voltage and within 605 sec. of charging. The capacitance/D.F. should be measured at reference temperature at the meaning frequency and voltage shown in the table. Nominal Capacitance C>10F CV10F Measuring Frequency 12024Hz 10.2kHz Measuring Voltage AC0.50.1V(r.m.s.) AC1.00.2V(r.m.s.) The capacitance measurement should be made at each step specified in the Table. 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) Step 1 2 3 4 5 Temperature (C) 252 Min. Operating Temp. 3 252 Max. Operating Temp. 2 252 U*AiIAi>IiI Perform a heat treatment at 150+0/-10C for 605 min. and then let sit for 242 hrs. at room condition. (*1) 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. Pressure Rod Pressure 9 Strength of Metal Terminal R 0.5 Termination not to be broken or loosened 0.5L 10 Adhesive Strength of Termination No removal of the terminations or other defect should occur. 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. 10N, 10T1s Glass Epoxy Board Fig. 1 (*1) "Room condition" Temperature: 15 to 35C, Relative humidity: 45 to 75%, Atmospheric pressure: 86 to 106kPa Continued on the following page. High Capacitance for General Use KRM Series Specifications and Test Methods Continued from the preceding page. Ii -iVvV>IA /iAIEiI i>A>Vi No defects or abnormalities 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.). >>VI>Vi Within the specified tolerance 11 6LA>IE ,iAAI>Vi D.F. In accordance with item No.7 Solder Resist Cu Glass Epoxy Board No marking defects 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. b o4.5 40 d c 12 20 50 iviVI a t : 1.6 100 /i KRM31 KRM55 iAE(R) L V 5.0 1.65 8.0 5.6 > 2.2 4.5 (in mm) R4 speed: 1.0mm/s Pressurize Flexure: V5 1.0 1.0 Capacitance meter 45 Fig. 2 45 (in mm) Fig. 3 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*AiIAi>IiI Perform the heat treatment at 150+0/-10C for 605 min. and then let sit for 242 h at room condition. (*1) 13 -iA>LIEvE /iA>I The metal surface is soldered well 300C 260+0/-5C 20 to 40 s 230C min. 200C 180C 150C 100C i>A>Vi No marking defects >>VI>ViE Within 10% >}i ,iAAI>ViE 14 IE-iA}E D.F. i>I , iiVIAVE -IAi}I In accordance with item No.7 In accordance with item No.5 In accordance with item No.4 60 to 120 s UEV>AiEvE,ivUE-iA} See item 13 Solderability of termination UEV>AiEvE-iA}EA 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" (*1) "Room condition" Temperature: 15 to 35C, Relative humidity: 45 to 75%, Atmospheric pressure: 86 to 106kPa Continued on the following page. High Capacitance for General Use KRM Series Specifications and Test Methods Continued from the preceding page. Ii -iVvV>IA i>A>Vi No marking defects >>VI>ViE Within 7.5% >}i 15 D.F. In accordance with item No.7 I.R. In accordance with item No.5 /iiA>IOAiE Vi iiVIAVE -IAi}I /iAIEiI 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. -Ii 1 2 3 4 /iiA>IOAiEc (R) Min. Operating Temp. 3 Room Temp. Max. Operating Temp. 2 Room Temp. /iE(R) 303 2 to 3 303 2 to 3 U*AiIAi>IiI Perform a heat treatment at 150+0/-10C for 605 min. and then let sit for 242 hrs. at room condition. (*1) In accordance with item No.4 Solder Resist Cu Glass Epoxy Board Fig. 4 i>A>Vi No marking defects >>VI>ViE Within 15% >}i D.F. [KRM31] W.V.: 25V : 0.2 max. W.V.: 50V/100V : 0.05 max. [KRM55] 0.05 max. I.R. [KRM31] W.V.: 25V : More than 12.5M * F W.V.: 50V/100V : More than 50M * F [KRM55] More than 10M * F iiVIAVE -IAi}I In accordance with item No.4 OIE 16 -Ii>E -I>Ii(R) 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*AiIAi>IiI Perform a heat treatment at 150+0/-10C for 605 min. and then let sit for 242 hrs. at room condition. (*1) i>A>Vi No marking defects >>VI>ViE Within 15% >}i D.F. [KRM31] W.V.: 25V : 0.2 max. W.V.: 50V/100V : 0.05 max. [KRM55] 0.05 max. I.R. [KRM31] W.V.: 25V : More than 25M * F W.V.: 50V/100V : More than 50M * F [KRM55] More than 10M * F 17 vi iiVIAVE -IAi}I 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. ,>IiE6I>}i DC25V, DC50V DC63V, DC100V iE6I>}i 200% of the rated voltage (*2) 150% of the rated voltage The charge/discharge current is than 50mA. U*AiIAi>IiI Perform a heat treatment at 150+0/-10C for 605 min. and then let sit for 242 hrs. at room condition. (*1) (*2) KRM31KC81E106, KRM31FR61E106, KRM31KR71H225, KRM31KR71H475, KRM31KR72A105 : 150% of the rated voltage In accordance with item No.4 (*1) "Room condition" Temperature: 15 to 35C, Relative humidity: 45 to 75%, Atmospheric pressure: 86 to 106kPa