surface mount emi filters surface mount c and pi filters sbsg signal track side bands provide earth contact points. bands are formed on the sides of the chip only and are not continuous underneath the chip. solder joints must be made to both side bands to ensure effective filtering. sm pi or c filter mounted to board and soldered in identical manner to chip capacitor. solder connections made to each end (signal lines) and each side band (earth track). signal track signal track width 3.2 (0.126") earth tr ack width = 1.50 (0.059") pad spacing = 3.9 (0.154") earth track signal track mount on board with ferrite bead / slot upwards chip soldered to signal track at both ends signal track chip filter chip soldered to earth track at (both sides) signal track width = 3.2mm (0.126") signal pad overall minimum = 8.00 (0.315") pad spacing = 3.9mm (0.154") coloured area to be solderable and free from varnish earth track earth track width = 1.50mm (0.059") earth pad overall minimum = 5.80 (0.228") electrical configuration c & pi filters capacitance measurement at 1000hr point current rating pi section 5 amps dc c section 10 amps dc temperature rating -55c to 125c dc resistance 0.005 ohms max. ferrite inductance, typical 0.5h (pi section only) weight 0.2g typical (0.007oz) type no. capacitance dielectric rated dwv ( * = preferred value) (m = +/-20%) code voltage (vd.c.) (vd.c.) * sbsg#1 5000102mx#2 1.0nf x7r 500 750 sbsg#1 5000152mx#2 1.5nf x7r 500 750 * sbsg#1 5000222mx#2 2.2nf x7r 500 750 sbsg#1 5000332mx#2 3.3nf x7r 500 750 * sbsg#1 5000472mx#2 4.7nf x7r 500 750 sbsg#1 5000682mx#2 6.8nf x7r 500 750 * sbsg#1 5000103mx#2 10nf x7r 500 750 * sbsg#1 5000153mx#2 15nf x7r 500 750 * sbsg#1 5000223mx#2 22nf x7r 500 750 sbsg#1 5000333mx#2 33nf x7r 500 750 * sbsg#1 5000473mx#2 47nf x7r 500 750 sbsg#1 2000683mx#2 68nf x7r 200 500 * sbsg#1 1000104mx#2 100nf x7r 100 250 * sbsg#1 1000154mx#2 150nf x7r 100 250 * sbsg#1 0500224mx#2 220nf x7r 50 125 the sbsg range has a 5a current rating for the pi type, and 10a rating for the c type. suitable for pick-and-place, these miniature surface mount filters offer assembly savings compared with conventional panel mounted filters. the combination of high current, high capacitance and high voltage makes them suitable for a wide range of applications including telecoms, mil/aerospace and industrial. mm (inches) l 5.25 0.4 (0.207 0.015) w 3.20 0.2 (0.126 0.008) t 2.50 0.15 (0.098 0.006) l1 1.50 0.4 (0.059 0.015) l2 0.30 0.25 (0.012 0.010) typical insertion loss (db) 50 ohm system no load c section pi section 0.1mhz 1mhz 10mhz 100mhz 1ghz 0.1mhz 1mhz 10mhz 100mhz 1ghz 0 0 4 23 41 0 0 5 33 60+ 0 0 7 26 45 0 0 9 40 60+ 0 0 10 30 50 0 0 11 47 60+ 0 0 13 33 52 0 0 14 54 60+ 0 1 16 36 55 0 1 19 57 60+ 0 2 19 39 57 0 2 24 60+ 60+ 0 4 22 41 60+ 0 5 29 60+ 60+ 0 7 25 44 60+ 0 7 36 60+ 60+ 0 10 29 46 60+ 0 11 42 60+ 60+ 0 13 33 48 60+ 0 14 51 60+ 60+ 1 16 35 50 60+ 1 16 57 60+ 60+ 2 19 39 54 60+ 3 19 60+ 60+ 60+ 4 22 41 57 60+ 5 21 60+ 60+ 60+ 7 25 45 60+ 60+ 8 23 60+ 60+ 60+ 10 29 49 60+ 60+ 11 27 60+ 60+ 60+ specifications w t l2 l l1 c pi note #1 for c filter insert ?c?, for pi filter insert ?p?. note #2 for taping on 7? reel insert ?t?, on 13? reel insert ?r?, if supplied in bulk insert ?b?. insertion loss figures quoted are for filters mounted within a partition. it should be noted that some degradation will occur a t higher frequencies for filters which are not fully shielded. sbsg pad dimensions - c & pi filter notes on pad design 1. pad / track design assumes 2oz copper track material. 2. track width quoted allows for operation at max. rated current at 125c. 3. different operating conditions may allow alternative track designs to be used. although any pad must be able to support continuous opertating current at max. operating temperature. filtsmsbsg.ver1
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