high reliability "cr" capacitors (tested similarly to mil-prf-55681 group a) 7169 construction court, san diego, ca 92121 usa ? tel: 858-578-9390 ? fax: 800-538-3880 or 858-578-62 25 web: www.presidiocomponents.com ? email: info@presi diocomponents.com for applications that require a high level of relia bility, presidio recommends its high reliability c r capacitors. tested similarly to mil-prf-55681 group a, presidio manufactures these chips on the same manufacturing line as its military product lin e. they may be used in both military and space applications. please note these capacitors are not mil-qualified. quality assurance provisions every lot undergoes the following inspection and te sts: ? destructive physical analysis (dpa): a 32-piece sample is pulled from each lot and examined per relevant sections of eia 469 and to ve rify adherence to presidios internal design criteria. ? voltage conditioning: all parts receive a voltage conditioning at 2x rat ed voltage and 125c for 100 hours. an accelerated voltage conditi oning, following mil-prf-55681 guidelines, may be used at presidios discretion. ? capacitance: all parts are tested at 25c and 1vacrms in accord ance with method 305 of mil-std-202. ? dissipation factor (df): voltage rating npo bx x7r 16 / 25 .15% 2.5% 3.5% 50 .15% 2.5% 2.5% ? dielectric withstanding voltage (dwv): all parts are tested at 2.5x rated voltage in accordance with method 301 of mil-std-202, or accor ding to eia/mil standards. ? insulation resistance (ir @ 25c): all parts are tested at 25c and rated voltage in accordance with method 302 of mil-std-202. the mini mum ir required is 100,000 megohms or 1,000 megohm-microfarads. ? percent defective allowed (pda): the cumulative pda after voltage conditioning is 8 %. pieces rejected as out of tolerance for capacitance or visual screening will be removed from the lot but not counted in the pda calculation. ? visual: performed on pieces in accordance with presidio in ternal workmanship criteria. ? mechanical: level 1 aql 1% in accordance with presidio's catal og. ? class h element evaluation (optional): a mil-prf-38534 appendix c passive element class h element evaluation is available where the c ustomer requires this testing. element evaluation is not required on each lot, and must be specified on the purchase order. ? operating temperature range: -55 c to +125 c standard packaging product will be packaged in individual waffle trays . data package data will be sent with each shipment including: ? destructive physical analysis report (optional): destructive physical analysis (dpa) report and photographs for each lot. extra charge m ay apply. ? certificate of compliance: a certificate of compliance will be sent with each shipment. ? class h element evaluation: if a class h element evaluation is required, all v ariables test data for subgroup 3 tests will be included in the data package.
high reliability "cr" capacitors (tested similarly to mil-prf-55681 group a) 7169 construction court, san diego, ca 92121 usa ? tel: 858-578-9390 ? fax: 800-538-3880 or 858-578-62 25 web: www.presidiocomponents.com ? email: info@presi diocomponents.com
high reliability "cr" capacitors (tested similarly to mil-prf-55681 group a) 7169 construction court, san diego, ca 92121 usa ? tel: 858-578-9390 ? fax: 800-538-3880 or 858-578-62 25 web: www.presidiocomponents.com ? email: info@presi diocomponents.com dimensions
high reliability "cr" capacitors (tested similarly to mil-prf-55681 group a) 7169 construction court, san diego, ca 92121 usa ? tel: 858-578-9390 ? fax: 800-538-3880 or 858-578-62 25 web: www.presidiocomponents.com ? email: info@presi diocomponents.com how to order consult factory for other voltages, capacitance opt ions and parts outside a given range. the above example is of presidio's manufacturing pa rt number. if a shorter part number is desired, use our conver sion tool to create our global part number.
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