opti - cap ? p 21bn300ma3976 dielectric laboratories inc. 2777 route 20 east, cazenovia, ny 13035 phone: 315 - 655 - 8710 fax: 315 - 655 - 8179 email: sales@dilabs.com web: http://www.dilabs.com quality systems as9100, iso 9001 and environmental system iso 14001 certified 1 of 4 table 1: assembly part number milli - cap ? mlc dli assembly outline drawing product code case size code material code capacitance code capacitance tolerance code mlc reference code p 21 bn 300 m a 3976 p = milli - cap ? or opti - cap? 21 = 0 2 0 1 x7r* 300 = 30 x 10 0 30 pf m = 20% see table 2 *x7r = maximum capacitance change of 15% from - 55c to + 125 c notes: 1. termination metallization: 7.5 4.5 micro inches au over a minimum 50 micro inches ni 2. assembly rated dc working voltage: 10vdc 3. total assembly capacitance @ 1khz: 10 nf 1 0% 4. rohs compliant table 2: multilayer capacitor electrical characteristics mlc code capacitance @ 1khz capacitance tolerance temperature characteristic working voltage insulation resistance @ 25c dielectric withstanding voltage maximum dissipation factor a 10 nf 1 0% x5r* * 10vdc >100 m? 20v 0.0 5 0 * * x5r = maximum capacitance change of 15% from - 55c to +85c multilayer capacitor milli - cap ? .010 .001 .012 .002 .0 2 0 .00 2 .0 1 0 .00 2 .0 06 .00 1 .0 20 .00 4
p21bn300ma 3976 opti - cap ? dielectric laboratories inc. 2777 route 20 east, cazenovia, ny 13035 phone: 315 - 655 - 8710 fax: 315 - 655 - 8179 email: sales@dilabs.com web: http://www.dilabs.com quality systems as9100, iso 9001 and environmental system iso 14001 certified 2 of 4 ? recommended attachment to soft or hard substrate using conductive epoxy: ? recommended micro strip layout: ? attachment method 1. place a single drop of conductive epoxy onto each micro - strip as illustrated; the edge of the epoxy shall be at least .003 - .004 back from the edge of the trace to prevent filling the gap with epoxy. 2. centering the termination gap of the milli - cap ? within the gap in the micro strip, press with careful, even pressure onto the micro strip ensuring the terminations make good contact with the epoxy drops. 3. cure according to the epoxy manufacturers preferred schedule ? typically 125c to 150c max. 4. after curing, inspect joint for epoxy shorts across the termination and micro strip gaps that would cause a short across the cap. isopropanol, and methanol are both safe to use to pre clean opti - caps ? isopropanol, and methanol are not to be used after mounting with conductive epoxy as they act as a solvent! attach with milli - cap? down distance from trace edge : .003 - .00 4 ideal micro strip width : .012 - .015 gap : .008 - .010 epoxy diameter: .005 - .00 8 epoxy thickness: .003 - .005
p 21 bn 30 0ma 3976 opti - cap ? dielectric laboratories inc. 2777 route 20 east, cazenovia, ny 13035 phone: 315 - 655 - 8710 fax: 315 - 655 - 8179 email: sales@dilabs.com web: http://www.dilabs.com quality systems as9100, iso 9001 and environmental system iso 14001 certified 3 of 4 ? recommended attachment to soft or hard substrate using solder: ? recommended micro strip layout: ? attachment method 1. place a single drop of solder paste onto each micro - strip as illustrated; the edge of the epoxy shall be at least .001 - .002 back from the edge of the trace to prevent filling the gap with solder. 2. centering the termination gap of the milli - cap ? within the gap in the micro strip, press with careful, even pressure onto the micro strip ensuring the terminations make good contact with the drops of solder paste. 3. reflow according to the solder manufacturers preferred profile, ensuring the reflow temperature does not exceed 250c . 4. after the reflow step is completed, inspect joint for voids or excess flux and non - reflowed solder balls that can degrade performance or cause shorts across the gaps. proper cleaning after the reflow process is crucial to avoiding p erformance degradation and discovering poor solder joints. isopropanol, and methanol are both safe to use with soldered opti - caps ? . attach with milli - cap? down
p 21 bn 30 0ma 3976 opti - cap ? dielectric laboratories inc. 2777 route 20 east, cazenovia, ny 13035 phone: 315 - 655 - 8710 fax: 315 - 655 - 8179 email: sales@dilabs.com web: http://www.dilabs.com quality systems as9100, iso 9001 and environmental system iso 14001 certified 4 of 4 metric conversion 1 m icro i nch 0.0254um 1 25.4mm -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 -2 -1.8 -1.6 -1.4 -1.2 -1 -0.8 -0.6 -0.4 -0.2 0 0 10 20 30 40 return loss (s11 db) insertion loss (s21 db) frequency (ghz) P21BN300MA3976 opti - cap typical performance (reference 50 ohm system) s21 (db) s11 (db)
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