high reliability "sr" capacitors (tested similarly to mil-prf-123 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 the highest level of reliability, presidio recommends its high reliabili ty sr capacitors. tested similarly to mil-prf-123 gr oup a, presidio manufacturers these chips on the same manufacturing line as its military product line. they may be used in both military and space applications. please note these capacitors ar e not mil-qualified. quality assurance provisions every lot undergoes the following inspection and te sts: ? destructive physical analysis (dpa): a representative sample is pulled from each lot an d examined per relevant sections of eia 469 and to ve rify adherence to presidios internal design criteria. sample size is per mil-prf-123. ? ultrasonic scanning (optional): this screening may be performed on lots to assure the highest quality microstructure. ultrasonic scanning is not required for each lot, and must be specified on the customer purchase order. ? thermal shock: all parts are temperature cycled for 20 cycles in accordance with mil-prf- 123. ? voltage conditioning: all parts receive a voltage conditioning at 2x rat ed voltage and 125c for a minimum of 168 hours and a maximum of 2 64 hours. voltage conditioning may be terminated at any time between 168 and 264 hour time intervals when failures are less than .1% or 1 piece, during the last 48 hours of th e test. tested in accordance with mil-prf- 123 except resistors are used in place of fuses. ? insulation resistance (ir @ 125c): all parts are tested at 125c and rated voltage in accordance with method 302 of mil-std-202. the mini mum ir required is 10,000 megohms or 100 megohm-microfarads. ? 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. ? 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% ? percent defective allowed (pda): the cumulative pda after voltage conditioning is 5 %. 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 mil-prf-123 appendix b. ? mechanical: level 1 aql 1% in accordance with mil-prf-123. ? class k element evaluation (optional): a mil-prf-38534 appendix c passive element class k element evaluation is available when the cu stomer 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
high reliability "sr" capacitors (tested similarly to mil-prf-123 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 standard packaging product will be packaged in individual waffle trays or tape and reel as specified by customer. 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 will be sent. e xtra charge may apply. ? certificate of compliance: certificate of compliance and attributes test data sheet will be sent with each shipment. ? class k element evaluation: if a class k element evaluation is required, all v ariables test data for subgroup 3 tests will be included in the d ata package. ? ultrasonic scanning report (optional): an ultrasonic scanning report will be sent, including a typical scan. extra charge may apply.
high reliability "sr" capacitors (tested similarly to mil-prf-123 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 "sr" capacitors (tested similarly to mil-prf-123 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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