page 1 of 3 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 product overview TC1-1T-75X+ is a 75 ? surface-mount, dc-isolated transformer with a secondary center tap, covering the 5 to 120 mhz band, supporting upstream bandwidth requirements for docsis 3.1 systems and equipment. this model provides a 1:1 secondary/primary impedance ratio and is capable of handling up to 0.25w rf input power. it provides 0.2 db insertion loss, 28 db return loss, 0.2 db amplitude unbalance and 2 phase unbalance. featuring core and wire construction mounted on a 5-lead plastic base with tin over nickel termination fnish, the unit measures 0.15 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. the big deal ? supports docsis? 3.1 upstream bandwidth ? low insertion loss, 0.2 db ? good return loss, 28 db ? low amplitude / phase unbalance, 0.2 db / 2 ? small size, 0.15 x 0.15 x 0.16 key features feature advantages supports docsis 3.1 upstream bandwidth requirements this model is optimized for use over the upstream bandwidth for catv and broadband fber net - works including docsis 3.1 systems. low insertion loss, 0.2 db provides excellent transmission of signal power from input to output. good return loss, 28 db provides excellent matching for 75 ? systems. low unbalance: - 0.2db amplitude unbalance - 2 phase unbalance low unbalance improves a systems electromagnetic compatibility by rejecting unwanted common- mode 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 (0.15 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. 75 ? 5 to 120 mhz TC1-1T-75X+ surface mount top hat ? rf transformer case style: at1521
page 2 of 3 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 electrical specifcations at 25c maximum ratings parameter ratings operating temperature -40c to 85c storage temperature -55c to 100c rf power 0.25w dc current 30ma pin connections function pin number primary dot 6 primary 4 secondary dot 1 secondary 3 secondary ct 2 permanent damage may occur if any of these limits are exceeded. 75 : 5 to 120 mhz confg. a features ? docsis 3.1 suitable ? plastic base with leads ? aqueous washable *insertion loss is referenced to mid-band loss, 0.25 db typ. TC1-1T-75X+ surface mount case style: at1521 rev. or m151741 TC1-1T-75X+ ed-14501a/1 ig/cp/am 151102 parameter frequency (mhz) min. typ. max. unit impedance ratio 1 ohm frequency range 5 120 mhz insertion loss* 5 - 75 0.1 0.4 db 75 - 120 0.3 0.6 amplitude unbalance 5 - 75 0.1 0.2 db 75 - 120 0.2 0.3 phase unbalance 5 - 75 1 4 degree 75 - 120 3 6 return loss 5 - 20 25 30 db 20-75 23 28 75-120 20 25 top hat ? a vailable t ape and reel at no extra cost reel size devices/reel 7? 20, 50, 100, 200, 500 13? 1000, 2000 applications ? impedance matching ? unbalance to balance transformation ? cable/catv and broadband fber networks rf transformer +rohs compliant the +suffix identifies rohs compliance. see our web site for rohs compliance methodologies and qualifications
page 3 of 3 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 outline drawing typical performance data outline dimensions ( ) inch mm frequency (mhz) insertion loss (db) input r. loss (db) amplitude unbalance (db) phase unbalance (deg.) pcb land patter n sugg ested l a y o ut, t ol eranc e t o be withi n .002 note: 1. case material plastic 2. termination finish: tin plate over nickel plate. 3. lead #1 identi er shall be located in the cross-hatched area shown, on bottom view. identi er may be either a molded or marked feature. 4.top-hat total thickness: 0.13 inches max. a b c d e f .150 .150 .160 .050 .040 .025 3.81 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 5.00 0.26 30.33 0.01 0.20 10.00 0.25 32.29 0.00 0.32 20.00 0.26 32.98 0.00 0.55 50.00 0.31 31.47 0.01 1.18 70.00 0.33 29.95 0.00 1.59 80.00 0.34 29.15 0.00 1.81 90.00 0.35 28.34 0.01 2.03 100.00 0.36 27.58 0.02 2.25 110.00 0.37 26.88 0.02 2.46 120.00 0.38 26.26 0.03 2.68 0.00 0.01 0.02 0.03 0.04 0.05 0 40 80 120 amplitude unbalance (db) frequency (mhz) tc1 -1t - 75x+ amplitude unbalance 0 2 4 6 0 40 80 120 phase unbalance (deg.) frequency (mhz) tc1 -1t - 75x+ phase unbalance 0.0 0.3 0.5 0.8 1.0 0 40 80 120 insertion loss (db) frequency (mhz) tc1 -1t - 75x+ insertion loss 20 25 30 35 40 0 40 80 120 return loss (db) frequency (mhz) tc1 -1t - 75x+ input return loss TC1-1T-75X+
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