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KRM55 Datasheet(PDF) 1 Page - Murata Manufacturing Co., Ltd. |
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KRM55 Datasheet(HTML) 1 Page - Murata Manufacturing Co., Ltd. |
1 / 3 page Continued on the following page. (*1) "Room condition" Temperature: 15 to 35°C, 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) 25±2 Min. Operating Temp. ±3 25±2 Max. Operating Temp. ±2 25±2 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. Perform a heat treatment at 150+0/–10°C for 60±5 min. and then let sit for 24±2 hrs. at room condition. (*1) 8 Capacitance Temperature Characteristics X5R Char.: Within ±15% (Temp. Range: -55 to +85°C) X6S Char.: Within ±22% (Temp. Range: -55 to +105°C) X7R Char.: Within ±15% (Temp. Range: -55 to +125°C) 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 60±5 sec. of charging. 5 Insulation Resistance (I.R.) [KRM21, KRM31] W.V.: 16V/25V/35V : More than 50M Ω · μF W.V.: 50V/100V : More than 500M Ω · μF [KRM55] More than 100M Ω · μF 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: 25°C 1 Operating Temperature Range X5R Char.: -55 to +85°C X6S Char.: -55 to +105°C X7R Char.: -55 to +125°C No. Test Method Specifications Item High Capacitance for General Use KRM Series Specifications and Test Methods Measuring Voltage Nominal Capacitance AC0.5±0.1V(r.m.s.) AC1.0±0.2V(r.m.s.) C>10μF C V10μF Measuring Frequency 120±24Hz 1±0.2kHz Pressure Pressure Rod R 0.5 0.5L 10N, 10 T1s Glass Epoxy Board |
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Similar Description - KRM55 |
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