DEA202450BT-7041E1 all specifications are subject to change without notice . feb 2007 ver. 12b [features] [pin configuration] ? miniature balanced band pass filter ? matched to csr bc4 ic ? package size: 2.0 x 1.25mm ? low profile : 0.7mm max. height [mechanical dimensions] multilayer balanced band pass filter part number : DEA202450BT-7041E1 1.25 +/-0.15 2 0.25+/-0.2 2.0+/-0.15 0.3+/-0.2 bottom view top view 1 3 4 8 7 5 6 0.7 max 0.35+/-0.15 0.2+/-0.2 0.65+/-0.15 unit : mm 0.3+/-0.2 2 unbalanced i/o 4 7 5 6 dc feed 3 1 8 nc gnd balanced i/o gnd gnd top view balanced i/o fig 1 fig 2
DEA202450BT-7041E1 all specifications are subject to change without notice . feb 2007 ver. 12b [electrical performance] temperature +25 o c unless otherwise specified parameter freq. (mhz) tdk specification unit insertion loss 2402 ? 2480 5.0 max. db single ended port characteristic impedance - matched to csr bc4 ic reference board ohm balanced ports impedance, nominal value - matched to csr bc4 ic reference board ohm return loss: unbalanced port 10 min db return loss: balanced port (with respect to nominal balanced impedance) 2402 ? 2480 10 min db 880 ? 960 35 min db 1710 ? 1880 25 min db 1880 ? 1990 25 min db 2110 ? 2170 20 min db attenuation 4804 ? 4960 30 min db phase difference at balanced port 2402 ? 2480 180 15.0 deg. amplitude imbalance at balanced port 2402 ? 2480 0 2.0 db storage temperature : -40 o c to +85 o c
DEA202450BT-7041E1 all specifications are subject to change without notice . feb 2007 ver. 12b [land pattern ( tdk recommended )] 0.60 mm 1.95 mm 0.35 mm 0.20 mm 0.65 mm 0.55 mm 2.60 mm 0.35 mm [pcb top metal layer] 1 . 1 3 m m 0.8mm 0. 7 07mm dc feed capacitor w 0.1mm w 0.1mm w 0.19mm lower layer trace bal bal unbal 0.50mm 0.50mm exposed copper areas ground plane ground via routing via note1 : pin 2 of the filter provides a dc feed connection to the balanced ports. in the event that this function is used, pin 2 should be connected to ground using a 15pf de-coupling capacitor. note2 : in the event that the pin 2 function is not used, the pin should be left unconnected. fig 3 pcb parameters: material: fr4 top metal to gnd layer height: 0.1mm dc feed cap value: 15pf fig 4
DEA202450BT-7041E1 all specifications are subject to change without notice . feb 2007 ver. 12b [tape & reel information] carrier tape reel dimensions standard package quantities: 2000pcs/reel a b c d e f 1.55 0.1 2.25 0.1 8.0 0.2 3.5 0.05 1.75 0.1 4.0 0.1 g h j k t 2.0 0.05 4.0 0.1 1.55 0.05 1.0 0.05 0.3 max c d b e sprocket hole j a hgf k t loading direction 130.5 210.5 602.0 90.3 131.4 1782.0 2.00.5 unit : mm label unit: mm fig 5 fig 6
DEA202450BT-7041E1 all specifications are subject to change without notice . feb 2007 ver. 12b [rohs statement] ? in conformity with eu directive 2002/95/ec, lead, cadmium, mercury, hexavalent chromium and specific bromine-based flame retardants, pbb and pbde, have not been used in the materials of this part .? [contact information] any inquires about this part can be addressed to the following tdk sales representatives: mr. conor duffy. email: cduffy@tdk.de mr. graeme cruickshanks. email: cruickshanks@tdk.de [end of document]
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