document number: 81949 for tec hnical questions, contact: emifilter@vishay.com www.vishay.com rev. 1.2, 18-may-10 1 8-channel lcr - emi-filter with esd-protection VEMI85LA-HGK vishay semiconductors marking (example only) dot = pin 1 marking y = type code (see table below) xx = date code features ? ultra compact llp3313-17l package ? low package profile of 0.6 mm ? 8-channel lcr emi-filter ? low leakage current ? line inductance l s = 10 nh ? line resistance r s = 12 ? typical cut off frequency f 3db = 150 mhz ? esd-protection acc. iec 61000-4-2 25 kv contact discharge 25 kv air discharge ? e4 - precious metal (e.g. ag, au, nipd, nipdau) (no sn) ? compliant to rohs directive 2002/95/ec and in accordance to weee 2002/96/ec 21840 20388 9 1 2 3 4 5 6 7 8 10 11 12 13 14 15 16 17 yyxx 20720 ordering information device name ordering code taped units per reel (8 mm tape on 7" reel) minimum order quantity VEMI85LA-HGK VEMI85LA-HGK-g-08 3000 15 000 package data device name package name type code weight molding compound flammability rating moisture sensitivity level soldering conditions VEMI85LA-HGK llp3313-17l 9l 7.4 mg ul 94 v-0 msl level 1 (according j-std-020) 260 c/10 s at terminals absolute maximum ratings parameter test conditions symbol value unit peak pulse current all i/o pin to pin 17; acc. iec 61000-4-5; t p = 8/20 s; single shot i ppm 4a esd immunity contact discharge acc. iec61000-4-2; 10 pulses v esd 25 kv air discharge acc. iec61000-4-2; 10 pulses 25 operating temperature junction temperature t j - 40 to + 125 c storage temperature t stg - 55 to + 150 c ** please see document vishay material category policy: www.vishay.com/doc?99902
www.vishay.com for technical questions, contact: emifilter@vishay.com document number: 81949 2 rev. 1.2, 18-may-10 VEMI85LA-HGK vishay semiconductors 8-channel lcr - emi-filter with esd-protection application note with the VEMI85LA-HGK 8 different signal or data lines can be filtered and clamped to ground. due to the different clamping levels in forward and reverse dire ction the clamping behaviour is bi directional and as ymmetric (bias). the 8 independent emi-filter are placed between pin 1 and pin 16, pin 2 and pin 15, pin 3 and pin 14, pin 4 and pin 13, pin 5 and pin 12, pin 6 and pin 11, pin 7 and pin 10 and pin 8 and pin 9. they all are connected to a common ground pin 17 on the backside of the package. the circuit diagram of one emi-filter-channel shows two identica l z-diodes at the input to ground and the output to ground. these z-diodes are characterized by the breakthrough voltage level (v br ) and the diode capacitance (c d ). below the breakthrough voltage level the z-diodes can be considered as capacitors. together with these capacitors and the line resistance r s between input and output the device works as a low pass filter. low frequency signals (f < f 3db ) pass the filter while high frequency signals (f > f 3db ) will be shorted to ground through the diode capacitances c d . each filter is symmetrical so that both ports can be used as input or output. l1 in l1 out l3 in l3 out l2 in l2 out l4 in l4 out l5 in l5 out l6 in l6 out l7 in l7 out l8 in l8 out 20389 1 2 3 4 17 5 6 7 8 9 10 11 12 13 14 15 16 21527 out (pin 9 to 16) in (pin 1 to 8) gnd (pin 17) c d c d r s l s
document number: 81949 for tec hnical questions, contact: emifilter@vishay.com www.vishay.com rev. 1.2, 18-may-10 3 VEMI85LA-HGK 8-channel lcr - emi-filter with esd-protection vishay semiconductors note ? ratings at 25 c, ambient temperature unless otherwise specified. al l inputs (pin 1, 2, 3, 4, 5, 6, 7 and 8) to ground (pin 17 ) typical characteristics (t amb = 25 c, unless otherwise specified) fig. 1 - esd discharge current wave form acc. iec 61000-4-2 (330 /150 pf) fig. 2 - 8/20 s peak pulse current wave form acc. iec 61000-4-5 electrical characteristics VEMI85LA-HGK parameter test conditions/re marks symbol min. typ. max. unit protection paths number of chan nels which can be protected n channel - - 4 channel reverse stand off voltage at i r = 1 a v rwm 5--v reverse current at v r = v rwm i r --1a reverse break down voltage at i r = 1 ma v br 6--v pos. clamping voltage at i pp = 1 a applied at the input, measured at the output; acc. iec 61000-4-5 v c-out -7.78.5v at i pp = i ppm = 4 a applied at the input, measured at the output; acc. iec 61000-4-5 v c-out -8.39.5v neg. clamping voltage at i pp = - 1 a applied at the input, measured at the output; acc. iec 61000-4-5 v c-out - 1 - - v at i pp = i ppm = - 4 a applied at the input, measured at the output; acc. iec 61000-4-5 v c-out - 1.2 - - v input capacitance at v r = 0 v; f = 1 mhz c in -4753pf at v r = 2.5 v; f = 1 mhz c in -2831pf line inductance measured between input and output l s -10-nh line resistance measured between input and output; i s = 10 ma r s -12- cut-off frequency v in = 0 v; measured in a 50 system f 3db - 150 - mhz 0 % 20 % 40 % 60 % 80 % 100 % 120 % - 10 0 10 20 30 40 50 60 70 80 90 100 time (ns) discharge current i esd rise time = 0.7 ns to 1 ns 53 % 27 % 20557 0 % 20 % 40 % 60 % 80 % 100 % 010203040 time (s) i ppm 20 s to 50 % 8 s to 100 % 20548
www.vishay.com for technical questions, contact: emifilter@vishay.com document number: 81949 4 rev. 1.2, 18-may-10 VEMI85LA-HGK vishay semiconductors 8-channel lcr - emi-filter with esd-protection fig. 3 - typical forward current i f vs. forward voltage v f fig. 4 - typical reverse voltage v r vs. reverse current i r fig. 5 - typical peak clamping voltage v c vs. peak pulse current i pp fig. 6 - typical input capacitance c in vs. input voltage v in fig. 7 - typical small signal transmission (s21) at z o = 50 v f (v) i f (ma) 21523 0.001 0.01 0.1 1 10 100 0.5 0.6 0.7 0.8 0.9 1 i r (a) v r (v) 21524 0 1 2 3 4 5 6 7 8 0.01 0.1 1 10 1 10 2 10 3 10 4 i pp (a) v c (v) 21525 0 2 4 6 8 10 12 14 0123456 measured acc. iec 61000-4-5 (8/20 s - wave form) v c input clamping voltage output clamping voltage v in (v) c in (pf) 21522 0 5 10 15 20 25 30 35 40 45 50 0123456 f = 1 mhz frequency (mhz) transmission (s21) (db) 21521 - 35 - 30 - 25 - 20 - 15 - 10 - 5 0 1 10 100 1000 10 000 v input = 0 v v input = 5 v measured in a 50 system v input = 1 v v input = 2 v
document number: 81949 for tec hnical questions, contact: emifilter@vishay.com www.vishay.com rev. 1.2, 18-may-10 5 VEMI85LA-HGK 8-channel lcr - emi-filter with esd-protection vishay semiconductors package dimensions in millimeters (inches): llp3313-17l 20391 document no.:s8-v-3906.04-003 (4) 3.35 (0.132) 3.25 (0.128) pin 1 marking 0.05 (0.002) 0 (0.000) 0.152 (0.006) ref. 2.8 (0.110) ref. 0.3 (0.012) 0.24 (0.009) 0.4 (0.016) bsc 0.23 (0.009) 0.17 (0.007) 2.65 (0.104) 2.55 (0.100) exp. dap 0.6 (0.024) 0.5 (0.020) 1.4 (0.055) 1.3 (0.051) 0.45 (0.018) 0.35 (0.014) exp. dap solder resist mask solder pad 0.4 (0.016) 0.2 (0.008) 7 x 0.4 = 2.8 (0.110) 2.6 (0.102) 0.4 (0.016) 0.15 (0.006) 0.4 (0.016) 0.2 (0.008) x 45 0.42 (0.017) created - date: 28. august 2006 rev. 1 - date: 27. may 2008 foot print recommendation:
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