? semiconductor components industries, llc, 2002 may, 2002 rev. 2 1 publication order number: nzf220tt1/d nzf220tt1 emi filter with esd protection features: ? emi/rfi bidirectional apio lowpass filters ? esd protection meets iec6100042 ? diode capacitance: 7 10 pf ? zener/resistor line capacitance: 22 20% pf ? low zener diode leakage: 1 a maximum ? zener breakdown voltage; 6 8 volts benefits: ? designed to suppress emi/rfi noise in systems subjected to electromagnetic interference ? small package size minimizes parasitic inductance, thus a more aidealo low pass filtering response typical applications: ? cellular phones ? communication systems ? computers ? portable products with input/output conductors maximum ratings rating symbol value unit peak power dissipation (note 1) 8 20 s pulse p pk 14 watts maximum junction temperature t j 150 c 1. all diodes under power sc75 case 463 style 4 device package shipping ordering information nzf220tt1 sc75 3000/tape & reel 12 circuit description x6 d marking diagram 3 2 3 1 x6 = specific device code d = date code http://onsemi.com
nzf220tt1 http://onsemi.com 2 electrical characteristics symbol characteristic min typ max unit v z zener breakdown voltage, @ i zt = 1 ma 6.0 8.0 v i r zener leakage current, @ v r = 3 v n/a 1.0 a v f zener forward voltage, @ i f = 50 ma n/a 1.25 v capacitance zener internal capacitance, @ 0 v bias 7.0 10 pf capacitance zener/resistor array line capacitance 17.6 26.4 pf resistor resistance 90 110 f c (note 2) cutoff frequency 220 mhz 2. 50 source and 50 lead termination per figure 2 applications information suppressing noise at the source ? filter all i/o signals leaving the noisy environment ? locate i/o driver circuits close to the connector ? use the longest rise/fall times possible for all digital signals reducing noise at the receiver ? filter all i/o signals entering the unit ? locate the i/o filters as close as possible to the connector minimizing noise coupling ? use multilayer pcbs to minimize power and ground inductance ? keep clock circuits away from the i/o connector ? ground planes should be used whenever possible ? minimize the loop area for all high speed signals ? provide for adequate power decoupling esd protection ? locate the suppression devices as close to the i/o connector as possible ? minimize the pcb trace length to the suppression device ? minimize the pcb trace length for the ground return for the suppression device
nzf220tt1 http://onsemi.com 3 frequency response specification 50 50 nzf220t spectrum analyzer tracking generator v in v out v g test conditions: source impedance = 50 load impedance = 50 input power = 0 db test board tg output rf input figure 1. measurement conditions nzf220t figure 2. typical emi filter response (50 source and 50 lead termination) gain (db) 1.0 10 100 1000 f, frequency (mhz) 6.3 3000 50 output 3 db = 220 mhz
nzf220tt1 http://onsemi.com 4 outline dimensions emi filter with esd protection dim min max min max inches millimeters a 0.70 0.80 0.028 0.031 b 1.40 1.80 0.055 0.071 c 0.60 0.90 0.024 0.035 d 0.15 0.30 0.006 0.012 g 1.00 bsc 0.039 bsc h --- 0.10 --- 0.004 j 0.10 0.25 0.004 0.010 k 1.45 1.75 0.057 0.069 l 0.10 0.20 0.004 0.008 s 0.50 bsc 0.020 bsc notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: millimeter. m 0.20 (0.008) b a b s d g 3 pl 0.20 (0.008) a k j l c h 3 2 1 style 4: pin 1. cathode 2. cathode 3. anode sc75/sot416 case 46301 issue b on semiconductor and are registered trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to mak e changes without further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and s pecifically disclaims any and all liability, including without limitation special, consequential or incidental damages. atypicalo parameters which may be provided in scillc data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. all operating parameters, including atypicalso must be validated for each customer application by customer's technical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body , or other applications intended to support or sustain life, or for any other application in which the failure of the scillc product could create a sit uation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indem nify and hold scillc and its of ficers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and re asonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized u se, even if such claim alleges that scillc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employ er. publication ordering information japan : on semiconductor, japan customer focus center 4321 nishigotanda, shinagawaku, tokyo, japan 1410031 phone : 81357402700 email : r14525@onsemi.com on semiconductor website : http://onsemi.com for additional information, please contact your local sales representative. nzf220tt1/d literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 3036752175 or 8003443860 toll free usa/canada fax : 3036752176 or 8003443867 toll free usa/canada email : onlit@hibbertco.com n. american technical support : 8002829855 toll free usa/canada
|
