50 schoolhouse lane portsmouth, ri 02871 tel (401) 683-9700 fax (401) 683-5571 e-mail: ims@ims-resistors.com http://www.ims-resistors.com * p e r f or m s w i t hi n s p e c t o 2 0 gh z wh e n moun te d f ac f f e down . features thin film technology full wraparound nickel barrier for excellent solderability attenuation from 0 db to 10 db in 1 db increments, 16 db (a-1206, a-1612), 20 db (a-1612) vswr 1.5:1 max. (a-0402),1.3:1 all others thin film surface mount chip attenuators the im s a - s eri e s thi n fil m su r f ac f f e m oun t chi p a tten ua t o r lin e i s i d e a l for applicatio n s r e qu i r in g prec i s io n attenuat io n i n a s mal l f or m f ac t o r p acka g e s . th e a t tenuato r s ar e p r o vid e d i n th e terminations attenuation ranges frequency characteristics 11.0 10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 02468101214 attenuation (db) frequency (ghz) 10 db 8 db 6 db 4 db 3 db 2 db vswr 1.6 1.4 1.2 1.0 frequency characteristics (a-0805)* a th e a - s eri e s i s a v a i l a bl e i n v a l ue s f r o m 0d b t o 1 0 d b i n 1 d b i ncrements. s tandard i mpedance is ful l w r a p aroun d a-0603 , 0 8 05 , 1206 , 161 2 100% matte tin finish
50 schoolhouse lane portsmouth, ri 02871 tel (401) 683-9700 fax (401) 683-5571 e-mail: ims@ims-resistors.com http://www.ims-resistors.com dimensions characteristics operating temperature -55 o cto+125 o c impedance 50 frequency range dc to beyond 10 ghz (a-0402wa, a-0603, a-0805) dc to 3 ghz (a-1206) dc to 2 ghz (a-1612) ) 1 : 5 . 1 - a w 2 0 4 0 - a t p e c x e ( m u m i x a m 1 : 3 . 1 r w s v attenuation 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 16*, 20** db attenuation tolerance a-0805, 1141, a-1206, a-1612 0.3 db, 0.5 db (1206 - 16 db, 1612 - 16 db,20db) a-0402wa, a-0603, 2533 0.3 db (0 - 3db) 0.5 db (4 - 7 db) 1.0 db (8 - 10 db) specifications ordering information part number length width height terminal * a-1206, a-1612 only **a-1612 only a-series ver.7 08/10 specifications subject to change without notice. t w h l face up example: 3 db, 100 mw, smt 0805 attenuator. prefix for face up attenuator form factor 0402wa, 0603, 0805, 1206, 1612 attenuation level *a-1206 & 1612 only ** a-1612 only a -0805 - c -03db a-0603, a-0805, a-1206 a-0402wa a-1612 t w h l 00 - 10 db, 16*, 20**db maximum working voltage a-0402wa 1.26wvdc a-0603 & ims2533 1.77wvdc a-0805 & ims1141 2.24wvdc a-1206 2.50wvdc a-1612 3.53wvdc rated power (70c) a-0402wa 32mw a-0603 & ims2533 63mw a-0805 & ims1141 100mw a-1206 125mw a-1612 250mw a-0402wa a-0603 & ims2533 a-0805 & ims1141 a-1206 a-1612 0.039 .004 0.063 .004 0.079 .008 0.126 .008 0.165 .008 0.020 .004 0.032 .004 0.049 .008 0.063 .008 0.118 .008 0.014 max. 0.020 max. 0.020 max. 0.020 max. 0.020 max. 0.009 .002 0.016 .006 0.020 .008 0.039 .010 0.037 .008 & l q g l f d w h v ? l p s h g d q f h face down example: 3 db, 100 mw, smt 0805 attenuator. ims2533 = face down 0603 ims1141 = face down 0805 attenuation level ims1141 - 03db 00 - 10 db for higher db values, higher power ratings or lead content attenuators see our iax series
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