data shee t chip resistors rf attenuators atv321 (pb free) size 0404 product specification ? oct 12, 2004 v.0
product specification 2 7 w ww.yageo.com oct 12, 2004 v.0 chip resistors rf attenuators series at v321 (0404) / pb free standard optional a ttenuation value (db) tol.(db) 12 nc tol.(db) 12 nc 1 0.3 2350 703 11012 l 0.2 2350 703 11011 l 2 0.3 2350 703 11022 l 0.2 2350 703 11021 l 3 0.3 2350 703 11032 l 0.2 2350 703 11031 l 4 0.3 2350 703 11042 l 0.2 2350 703 11041 l 5 0.3 2350 703 11052 l 0.2 2350 703 11051 l 6 0.5 2350 703 11063 l 0.3 2350 703 11062 l 7 0.5 2350 703 11073 l 0.3 2350 703 11072 l 8 0.5 2350 703 11083 l 0.3 2350 703 11082 l 9 0.5 2350 703 11093 l 0.3 2350 703 11092 l 10 0.5 2350 703 11103 l 0.3 2350 703 11102 l 15 1.0 2350 703 11154 l 0.5 2350 703 11153 l 20 2.0 2350 703 11205 l 1.0 2350 703 11204 l a ttenuation value, t olerance v.s. 12 nc code y y a a g g e e o o o o r r d d e e r r i i n n g g c c o o d d e e ctc code atv321 x x x xx xxxx l ( 1 ) ( 2 ) ( 3 ) ( 4 ) ( 5 ) ( 6 ) ( 1 ) tolerance b = 0.2 db c = 0.3 db d = 0.5 db f = 1 db g = 2 db ( 2 ) packaging type r = paper/pe taping reel ( 3 ) temperature coefficient of resistance ? = not applicable ( 4 ) taping reel 07 = 7 inch dia. reel 7h = half quality packing on 7"reel (non preferrend) ( 5 ) attenuation value 1 db to 20 db shown in the table of ?attenuation value, tolerance v.s. 12 nc code?. (6) resistor terminations l = lead free terminations (pure tin) o rdering example the ordering code of an atv321 attenuator with 20.3 db attenuation, supplied in 7-inch tape reel is: atv321cr-072dbl. note 1. the ?l? at the end of the code is only for ordering. on the reel label, the standard ctc will be mentioned an additional stamp ?lfp?= lead free production. 2. products with lead in terminations fulfil the same requirements as mentioned in this datasheet. 3. products with lead in terminations will be phased out in the coming months (before july 1st, 2006) scope this specification describes atv321 series chip attenuators with lead-free term inations made by thick film process. ordering information part number is identified by the series, size, tolerance, packing type, temperature coefficient, taping reel and resistance value.
product specification 3 7 w ww.yageo.com oct 12, 2004 v.0 chip resistors rf attenuators series at v321 (0404) / pb free dimensions type atv321 l (mm) 1.0 0.10 w (mm) 1.0 0.10 t (mm) 0.35 0.05 a (mm) 0.33 0.10 b (mm) 0.15 0.10 p (mm) 0.65 0.10 d (mm) 0.25 0.10 construction the attenuators are constructed on a high-grade ceramic body (aluminium oxide). the internal circuit is applied to the to p surface of the substrate, and its design determines the required attenuation value. the attenuation layer is covered with a protective coating and a ma rking dot indicates input pin 1 as shown in the connection diagram of fig.1. finally, the four external end terminations are added. to guarantee op timum solderability the outer layer of the termina tions are lead free (pure tin). marking no marking. hbk077 13 24 input signal attenuated output signal fig. 1 connection diagram table 1 scr019 l p b w d a t fig. 2 attenuator dimensions for dimension see table 1 the rectangular marker designates input pin 1.
product specification 4 7 w ww.yageo.com oct 12, 2004 v.0 chip resistors rf attenuators series at v321 (0404) / pb free electrical characteristics characteristics atv321 / 40 mw attenuation range 1 db to 20 db 1 db to 5 db 0.3 db (optional: 0.2 db) 6 db and 10 db 0.5 db (optional: 0.3 db) 15 db 1.0 db (optional: 0.5 db) attenuation tolerance 20 db 2.0 db (optional: 1.0 db) characteristic impedance 50 ? 1 db to 10 db dc to 2.5 ghz frequency range 15 db and 20 db dc to 2.0 ghz vswr 1.3 max. maximum permissible voltage 50 v (dc or rms) power rating 40 mw footprint and soldering profiles for recommended footprint and soldering profiles, please see the special data sheet ?chip resistors mounting?. environmental data for material declaration information (imds-data) of the products, please see the separated info ?environmental data?. table 2 packing style and p a ckaging quantity product type packing style reel dimension quantity per reel atv321 paper / pe taping reel (r) 7" (178 mm) 10,000 units 7" (half quality packing) 5,000 units / not preferred note 1. for paper/pe tape and reel specification/dimensions , please see the special data sheet ?packing? document. table 3 packing style and packaging quantity n dbook, halfpage mlb206 70 100 55 50 t amb ( c) o (%p ) rated 0 0 50 100 125 p max functional description p p o o w w e e r r r r a a t t i i n n g g atv321rated power at 70c is 40 mw r ated voltages the dc or ac (rms) continuous working voltage corresponding to the rated power is determined by the following formula: v= (p x r) where v=continuous rated dc or ac (rms) working voltage (v) p=rated power (w) r=resistance value ( x ) fig. 3 maximum dissipation (p max ) in percentage of rated power as a function of the operating ambient temperature (t amb )
product specification 5 7 w ww.yageo.com oct 12, 2004 v.0 chip resistors rf attenuators series at v321 (0404) / pb free tests and requirements test test method procedure requirements thermal shoc k mil-std-202f-method 107g; iec 60115-1 4.19 at ?65 (+0/?10) c for 2 minutes and at +125 (+10/?0) c for 2 minutes; 25 cycles max.: 0.3 db no visible damage short time overload mil-r-55342d-para 4.7.5; iec 60115-1 4.13 2.5 rcwv applied for 5 seconds at room temperature max.: 0.3 db no visible damage insulation resistance mil-std-202f-method 302; iec 60115-1 4.6.1.1 rcov for 1 minute type atv321 voltage (dc) 50 v 10 g ? resistance to soldering heat mil-std-202f-method 210c; iec 60115-1 4.18 unmounted chips; 260 5 c for 10 1 seconds max.: 0.1 db no visible damage life mil-std-202f-method 108a; iec 60115-1 4.25.1 at 702 c for 1,000 hours; rcwv applied for 1.5 hours on and 0.5 hour off max.: 0.3 db solderabilit y mil-std-202f-method 208a; iec 60115-1 4.17 solder bath at 2453 c dipping time: 20.5 seconds well tinned ( 95% covered) no visible damage bending strength jis c 5202.6.14; iec 60115-1 4.15 resistors mounted on a 90 mm glass epoxy resin pcb (fr4) bending: 5 mm max.: 0.3 db no visible damage humidit y (steady state) jis c 5202 7.5; iec 60115-8 4.24.8 1,000 hours; 402 c; 93(+2/?3)% rh rcwv applied for 1.5 hours on and 0.5 hour of f max.: 0.3 db leaching eia/is 4.13b; iec 60115-8 4.18 solder bath at 2605 c dipping time: 301 seconds no visible damage moisture resistance heat mil-std-202f-method 106f; iec 60115-1 4.24.2 42 cycles; total 1,000 hours shown as fig. 4 max.: 0.3 db no visible damage table 4 test condition, procedure and requirements
product specification 6 7 w ww.yageo.com oct 12, 2004 v.0 chip resistors rf attenuators series at v321 (0404) / pb free 75 initial drying 24 hours 90 ? 98% rh 80 ? 98% rh temperature tolerance 2 c (3.6 f) unless otherwise specified initial measurements as specified in 2.2 0 step1 step3 step2 prior to first cycle only step4 one cycle 24 hours; repeat as specified in 2.5 voltage applied as specified in 2.4 circulation of conditioning air shall be at a minimum cubic rate per minute equivalent to 10 times the volume of the chamber step6 step7 hbk073 step5 51015 end of final cycle; measurements as specified in 2.7 optional sub-cycle if specified (2.3); sub-cycle performed during any 5 of the first 9 cycles; humidity uncontrolled during sub-cycle 20 time [h] temperature [ c] 25 50 25 0 90 ? 98% rh 90 ? 98% rh + 10 c ( + 18 f) ? 2 c ( ? 3.6 f) 80 ? 98% rh rate of change of temperature is unspecified, however, specimens shall not be subjected to radiant heating from chamber conditioning processes fig. 4 moisture resistance test requirements
product specification 7 7 w ww.yageo.com oct 12, 2004 v.0 chip resistors rf attenuators series at v321 (0404) / pb free revision history revision date change notification description version 0 oct 12, 2004 - - first issue of this specificatio n for atv321 series with lead-free terminations
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