chip attenuator design and speci cations are each subject to change without notice. ask factory for the current technical speci cations before purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. 0.8 mm l 0.6 mm (inches : 0302) = type attenuator 1.0 mm l 1.0 mm (inches : 0404) = type attenuator one-digit number /one letter shows attenuation value (ex.) 1n1 db, an10 db thick film resistor network & 1 9 2 # 3 4 56 5 7 8 " 9 3 10 9 11 12 " r3 0.3 db r5 0.5 db product code attenuation value tolerance dimensions and circuit con?guration code 14at 24at a50 ? characteristics impedance punched carrier taping (2 mm pitch) x packaging 11 10 9 8 7 6 5 4 3 2 1 0 attenuation (db) 30 k 100 k 10 m 1 m 100 m 3 g1 g frequency (hz) 1db 2db 3db 4db 5db 6db 10db r 1 r 2 r 2 unbalanced = type 12 43 features unbalanced type attenuator circuit in one chip exb14at(0.8 mm 0.6 mm), exb24at(1.0 mm 1.0 mm) reduced mounting area : exb14at : about 60% smaller than the area of an attenuator circuit consisting of three 0603 chip resistors, alm o st equal to the area of three 0402 chip resistors exb24at : about 50% smaller than the area of an attenuator circuit consisting of three 1005 chip resistors, almost equal to the area of three 0603 chip resistors m ounting cost reduction : (only 1 chip placed as compared to 3) attenuation : 1 db to 10 db ro hs compliant chip attenuator 0302, 0404 type: exb 14at, 24at explanation of part numbers recommended applications attenuation / level control / impedance matching of high frequency (communication signalling equipment cellular phones(gsm, cdma, pdc, etc.), phs, pdas) attenuation-frequency characteristics (exb14at, exb24at) circuit confi guration packaging methods, land pattern, soldering conditions and safety precautions please see data files aug. 2012 01 3 9
design and speci cations are each subject to change without notice. ask factory for the current technical speci cations before purchase and/or use. should a safety concern arise regarding this product, please be sure to contact us immediately. chip attenuator C40 C20 0 20 40 60 80 100 120 140 160 0 C60 70 c C55 c 20 40 60 80 100 120 125 c ambient temperature (c) rated power (%) protective coating thick ?lm resistive element electrode (inner) electrode (between) electrode (outer) alumina substrate a 43 12 b w c t p l c 1 2 3 4 a b w t p l protective coating alumina substrate electrode (between) electrode (outer) electrode (inner) thick ?lm resistive element ratings power derating curve for resistors operated in ambient temperature above 70 c, power rating shall be derated in accordance with the ? gure on the right. ? please inquire about the other attenuator value type exb14at, exb24at attenuation value 1 db, 2 db, 3 db, 4 db, 5 db, 6 db, 10 db ? attenuation value tolerance 1 db, 2 db, 3 db, 4 db, 5 db : 0.3 db 6 db, 10 db : 0.5 db characteristic impedance 50 power rating 0.04 w /package frequency range at 70 c dc to 3.0 ghz vswr (voltage standing wave ratio) 1.3 max. number of resistors 3 resistors number of terminals 4 terminals category temperature range C55 c to +125 c the bar marking for recognizing terminal direction is located on the side of terminal 4. mass (weight) [1000 pcs.] : 1.1 g di men sions (mm) lwt ab c p (typical value) 1.00 0.10 1.00 0.10 0.35 0.10 0.40 0.10 0.15 0.10 0.25 0.10 0.65 dimensions (not to scale) the bar marking for recognizing terminal direction is located on the side of terminal 3, 4. mass (weight) [1000 pcs.] : 0.7 g di men sions (mm) lwt abc p (typical value) 0.80 0.10 0.60 0.10 0.35 0.10 0.35 0.10 0.15 0.10 0.15 0.10 0.50 exb14at exb24at construction exb14at exb24at aug. 2012 01 4 0
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