page 1 of 2 50 ? 2 to 500 mhz surface mount TCM3-1TX+ rf transformer the big deal product overview feature advantages low unbalance: - 0.3 db typ. amplitude unbalance - 2 phase unbalance low unbalance improves a systems electromagnetic compatibility by rejecting unwanted com - monmode noise. dc isolation provides dc isolation between circuits and effcient ac transmission, eliminating the need for external dc biasing components. secondary center tap allows dc feed up to 30 ma and dc bias without adding bias tees into the signal chain. small footprint (0.16 x 0.15 x 0.16) accommodates tight space requirements for dense pcb layouts. top hat ? feature improves speed and accuracy of pick and place assembly and provides clear device marking for visual inspection. key features case style: db1627 TCM3-1TX+ is a 50 ? surface-mount, dc-isolated transformer with a secondary center tap, covering the 2 to 500 mhz band. this model provides a 3:1 secondary/primary impedance ratio and is capable of handling up to 0.25w rf input power. it provides 0.3 db typ. amplitude unbalance and 2 phase unbalance. featuring core and wire construction mounted on a 6-lead plastic base with tin over nickel termination fnish, the unit measures 0.16 x 0.15 x 0.16 to accommodate dense circuit board layouts. it also incorporates mini-circuits top hat ? feature for faster, more accurate pick-and-place assembly. ? low amplitude unbalance, 0.3 db typ. ? excellent phase unbalance, 2 deg. typ. ? small size, 0.16 x 0.15 x 0.16 top hat ? notes a. performance and quality attributes and conditions not expressly stated in this specifcation document are intended to be excluded and do not form a part of this specifcation document. b. electrical specifcations and performance data contained in this specifcation document are based on mini-circuits applicable established test performance criteria and measurement instructions. c. the parts covered by this specifcation document are subject to mini-circuits standard limited warranty and terms and conditions (collectively, standard terms); purchasers of this part are entitled to the rights and benefts contained therein. for a full statement of the standard terms and the exclusive rights and remedies thereunder, please visit mini-circuits website at www.minicircuits.com/mclstore/terms.jsp mini-circuits ? www.minicircuits.com p.o. box 350166, brooklyn, ny 11235-0003 (718) 934-4500 sales@minicircuits.com
page 2 of 2 frequency (mhz) insertion loss (db) input r. loss (db) 1 0.68 15.11 2 0.44 18.06 3 0.34 19.73 5 0.24 21.64 10 0.17 23.62 100 0.25 24.61 125 0.27 24.27 150 0.28 24.36 175 0.29 24.00 200 0.31 23.71 225 0.32 23.34 250 0.33 22.89 275 0.34 22.50 300 0.36 22.23 325 0.37 21.81 350 0.38 21.40 375 0.40 21.05 400 0.41 20.74 450 0.45 19.97 500 0.48 19.35 * insertion loss is referenced to mid-band loss, 0.5 db typ. 50 ? 2 to 500 mhz rf transformer maximum ratings pin connections operating temperature -20c to 85c storage temperature -55c to 100c rf power 0.25w dc current 30ma electrical specifcations at 25c rev. or m163269 TCM3-1TX+ edu2749 urj 170807 typical performance data primary dot 6 primary 4 secondary dot 1 secondary 3 secondary ct 2 not used 5 features ? excellent amplitude unbalance. 0.3 db typ. ? excellent phase unbalance, 2 deg. typ. in 1 db bandwidth ? plastic base with solder plated leads ? aqueous washable applications ? impedance matching surface mount abcde f .160 .150 .160 .050 .040 .025 4.06 3.81 4.06 1.27 1.02 0.64 g h j k wt .028 .065 .190 .030 grams 0.71 1.65 4.83 0.76 0.15 outline dimensions ( ) inch mm outline drawing confg. a 0.0 0.2 0.4 0.6 0.8 1.0 0 100 200 300 400 500 insertion loss (db) frequency (mhz) insertion loss 0 10 20 30 40 50 0 100 200 300 400 500 return loss (db) frequency (mhz) input return loss permanent damage may occur if any of these limits are exceeded. TCM3-1TX+ case style: db1627 a vailable t ape and reel at no extra cost reel size devices/reel 7? 20, 50, 100, 200, 500 13? 1000, 2000 top hat ? total thickness: .013 inches max. sugg ested l a y o ut, t ol eranc e t o be withi n .002 pcb land patter n parameter frequency (mhz) min. typ. max. unit impedance ratio (secondary/primary) - - 3 - ? frequency range - 2 - 500 mhz insertion loss 2-500 - 0.4 2 db 5-300 - 0.3 1 notes a. performance and quality attributes and conditions not expressly stated in this specifcation document are intended to be excluded and do not form a part of this specifcation document. b. electrical specifcations and performance data contained in this specifcation document are based on mini-circuits applicable established test performance criteria and measurement instructions. c. the parts covered by this specifcation document are subject to mini-circuits standard limited warranty and terms and conditions (collectively, standard terms); purchasers of this part are entitled to the rights and benefts contained therein. for a full statement of the standard terms and the exclusive rights and remedies thereunder, please visit mini-circuits website at www.minicircuits.com/mclstore/terms.jsp mini-circuits ? www.minicircuits.com p.o. box 350166, brooklyn, ny 11235-0003 (718) 934-4500 sales@minicircuits.com +rohs compliant the +suffix identifies rohs compliance. see our web site for rohs compliance methodologies and qualifications
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