May 2003 http:www.niccomp.com Technical Inquiries: [email protected] NSP SERIES – LOW ESR SOLID ALUMINUM ELECTROLYTIC CAPACITOR SUB: APPLICATION GUIDELINE GENERAL: § § WHEN DESIGNING ELECTRONIC CIRCUITS, ALWAYS PROVIDE OPEN OR SHORT FAILURE MODE PROTECTION DESIGN REDUNDANT OR SECONDARY PROTECTION (WHEN POSSIBLE) IN CASE OF MAIN CIRCUIT FAILURE VOLTAGE DE-RATING: § § VOLTAGE DE -RATING IS NOT REQUIRED FOR THIS PRODUCT CAN SAFELY BE USED, TO RATED VOLTAGE, OVER -40°C ~ +105°C TEMPERATURE RANGE SURGE & OVER-VOLTAGE OPERATION: § § § DO NOT APPLY VOLTAGE GREATER THAN RATED VOLTAGE. INCREASED LEAKAGE CURRENT AND OR POSSIBLE DAMAGE (DUE TO INTERNAL HEATING) MAY OCCUR. DO NOT USE MULTIPLE SERIES CONNECTED PARTS (TO INCREASE VOLTAGE RATING) CONFIRM THE SUM OF THE DC OPERATION VOLATGE (VDC) AND PEAK AC RIPPLE VOLTAGE DO NOT EXCEED THE VOLTAGE RATING OF THE COMPONENT POLARITY: § § § § § COMPONENT IS MARKED FOR POLARITY; ANODE (+) POLARITY BAND VERIFY CORRECT POLOARITY BEFORE USE REVERSE BIAS OPERATION MAY DAMAGE THE COMPONENT REVIEW REVERSE BIAS CONDITIONS WITH NIC [ [email protected] ] CONFIRM THE COMPONENT IS NOT REVESE BIASED UNDER HIGH AC RIPPLE OPERATION AND LOW VDC OPERATION RIPPLE CURRENT OPERATION: § § § DO NOT EXCEED THE RIPPLE CURRENT RATING (RCR) OF THE COMPONENT EXCESSIVE AC RIPPLE CURRENT WILL RESULT IN INCREASED SELF-HEATING AND POSSIBLE DAMAGE TO [ OR FAILURE OF ] THE COMPONENT RIPPLE CURRENT CORRECTION FACTOR OVER FREQUENCY FREQUENCY RCR MULTIPLIER 10 KHZ 0.6 20KHZ 0.7 50KHZ 0.8 100KHZ 1.0 250KHZ 1.1 TIME CONSTANT APPLICATION: § 500KHZ 1.2 1MHZ 1.3 DO NOT USE THIS COMPONENT IN TIME CONSTANT CIRCUIT OR COUPLING APPLICATION ISO 9002 REGISTERED May 2003 http:www.niccomp.com Technical Inquiries: [email protected] NSP SERIES – LOW ESR SOLID ALUMINUM ELECTROLYTIC CAPACITOR SUB: APPLICATION GUIDELINE – FAILURE RATE CALCULATION FAILURE RATE ESTIMATION: § § § SOLID ELECTROLYTE (PPY) CONSTRUCTION OF NSP SERIES, RESULTS TO ELIMINATE COMMON “DRY-OUT” OF LIQUID ELECTROLYTE (ON STANDARD TYPE) ALUMINUM E-CAPS NO DEGRADATION OF OPERATION OVER TEMPERATURE OR TIME (SEE BELOW PERFORMANCE DATA) LOAD LIFE TEST DATA IS PROVIDED ON -LINE AT http://www.low-esr.com/endurance.html-ssi Stable Capacitance Value Over Life Stable DF [ESR] Over Life Stable Leakage Current Over Life ISO 9002 REGISTERED May 2003 http:www.niccomp.com Technical Inquiries: [email protected] NSP SERIES – LOW ESR SOLID ALUMINUM ELECTROLYTIC CAPACITOR SUB: APPLICATION GUIDELINE FAILURE RATE (FR): § § CALCULATED FR BASED UPON MIL-HDBK-217F (USA) FR INFLUENCED BY: o TEMPERATURE OF OPERATION o APPLIED VOLTAGE TO VOLTAGE RATING (VOLTAGE RATIO FACTOR) o CAPACITANCE VALUE FACTOR FR = (BFR) X (TEMPERATURE FACTOR) X (VOLTAGE FACTOR) X (CAPACITANCE VALUE FACTOR) BFR = Basic Failure Rate for Aluminum Electrolytic Capacitors (per MIL-HDBK-217F) Temperature (degC) +20 +30 +40 +50 +60 +70 +80 +90 +100 +110 +120 +130 +140 +150 Temp. Factor 0.91 1.1 1.3 1.6 1.8 2.2 2.5 2.8 3.2 3.7 4.1 4.6 5.1 5.6 Voltage Ratio 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 Voltage Factor 1 1 1 1.1 1.4 2 3.2 5.2 8.6 14 Capacitance Value (uF) 0.1 0.5 1 3 8 18 40 200 1000 Capacitance Factor 0.59 0.85 1 1.3 1.6 1.9 2.3 3.4 4.9 EXAMPLE: (BASED UPON ACTUAL USAGE CONDITIONS) P/N: NSP101M6.3TRD3TR [ 100uF / 6.3VDC ] Conditions: 6.3VDC & +25degC Calculated FR = (0.00012) X (1.0) X (14) X (3.4) = 0.005712 / 1KKhrs = 5.7 FIT § Actual Acceleration Test Results @ Rated Voltage & Rated Temperature: o Total Test Time = 19,796,000 hours o Failures = 0 o FR = (60% confidence; 0.917/T) = 46 FIT § Field Failure Reporting: o Total Test Time = 6,856,894,000 hours o Failures = 0 o FR = (60% confidenc e; 0.917/T) = 0.13 FIT ISO 9002 REGISTERED