technical enquiries email: toronto@murata-ps.com, tel: +1 (866) 740 1232 www.murata-ps.com c1u-w-1200-48-tx series ac/dc front end power supply c1u-w-1200-48-tx.a02 page 1 of 4 for full details go to www.murata-ps.com/rohs $ selection guide part number power output universal line main output standby output airfow C1U-W-1200-48-TA1C 1200w 48v 5v front to back c1u-w-1200-48-tc1c 1200w 48v 3.3v front to back c1u-w-1200-48-ta2c 1200w 48v 5v back to front c1u-w-1200-48-tc2c 1200w 48v 3.3v back to front c1u-w-1200-48-tb1c 1200w 48v 12v front to back c1u-w-1200-48-tb2c 1200w 48v 12v back to front input characteristics parameter conditions min. typ. max. units input voltage operating range 90 264 vac input frequency 47 55 63 hz turn-on input voltage ramp up 78.5 86.5 vac turn-off input voltage ramp down 70.5 78 maximum input current 15 arms inrush current 90 apk power factor output load >90% 95% output load >50% 75% output voltage characteristics output voltage parameter conditions min. typ. max. units 12v voltage set point accuracy 48 vdc line and load regulation 46.54 49.44 ripple voltage & noise 1 20mhz bandwidth 480 mv p-p output current 2 24.6 a load capacitance 10000 f 3.3vsb voltage set point accuracy 3.3 vdc line and load regulation 3.2 3.4 ripple voltage & noise 1 50 mv p-p operating range 0 4.5 a load capacitance 1530 f 5vsb voltage set point accuracy 5 vdc line and load regulation 4.85 5.15 ripple voltage & noise 1 50 mv p-p operating range 0 4 a load capacitance 1530 f 12vsb voltage set point accuracy 12 vdc line and load regulation 11.2 12.4 ripple voltage & noise 1 120 mv p-p operating range 0 1.7 a load capacitance 1530 f features n rohs compliant n 1200w (110/220vac) output power n 48v main output, 3.3v or 5v standby output n dimensions: 1.67 x 5.5 x 14.2 n 9.2 watts per cubic inch density n n+1 redundancy capable, n active current sharing on main output n over-voltage, over-current, over-temperature protection n internal cooling fans product overview the c1u-w-1200 is a 1200 watt universal ac input, power-factor-corrected (pfc) front-end power supply for general applications. the main output is 48v and standby output of either 5v, 3.3v, or 12v. packaged in u low profle, it is designed to deliver reliable bulk power to servers, workstations, storage systems or any 48v distributed power architecture systems requiring high power density. the highly effcient electrical and thermal design with internal cooling fans supports reliable operation conditions. the c1u-w-1200 is designed to auto-recover from over-temperature faults. 1 ripple and noise are measured with 0.1 uf of ceramic capacitance and 10 uf of tantalum capacitance on each of the power supply outputs. the output noise requirements apply over a 0 hz to 20 mhz bandwidth. a short coaxial cable with 50ohm scope termination is used.
technical enquiries email: toronto@murata-ps.com, tel: +1 (866) 740 1232 www.murata-ps.com c1u-w-1200-48-tx series ac/dc front end power supply c1u-w-1200-48-tx.a02 page 2 of 4 output characteristics parameter conditions min. typ. max. units remote sense 120 mv effciency 220vac 90.6 % output rise monotonicity overshoot less than 10% for all outputs, no voltage negative between 10% to 95% during ramp up start-up time ac ramp up 1.5 s ps_on activated 150 ms transient response 48v ramp 1a/s 600 mv 3.3vsb ramp 1a/s 165 5vsb ramp 1a/s 250 12vsb ramp 1a/s current sharing accuracy (up to 3 in parallel) at 100% load 10 % hold-up time 20 ms general characteristics parameter conditions min. typ. max. units storage temperature range non-condensing -40 70 c operating temperature range 0 50 operating humidity non-condensing 10 90 % storage humidity 5 90 shock 30g non operating sinusoidal vibration 0.5g, 5 C 500 hz mtbf calculated per bellcore at ta=30 c 200 khrs demonstrated 200 khrs acoustic iso 7779-1999 60 db lpam safety approvals c-csa-us (csa 60950-1-03/ul 60950-1, first edition) tuv approval (bauart) en 60950-1:2001 input fuse power supply has internal 20a/250v fast blow fuse on the ac line input material flammability ul 94v-0 switching frequency 90khz for boost pfc converter 165khz for main output converter 200khz for standby output converter weight 2.6kg protection characteristics output voltage parameter conditions min. typ. max. units over-temperature auto-restart 55 65 c 12v over voltage latching 13 14 v over current latching 107 122 a 3.3vsb over voltage latching 3.57 4.02 v over current latching 6.5 8 a 5vsb over voltage latching 5.6 6 v over current latching 5 7 a isolation characteristics parameter conditions min. typ. max. units insulation safety rating / test voltage input to output - reinforced 3000 vrms input to chassis - basic 1500 vrms isolation output to chassis output to output material flammability ul 94v-0 grounding main output return and standby output return are connected internally. 100k resistor parallel with 100nf capacitor is connected between return and power supply chassis. main output return should be connected to the system chassis.
technical enquiries email: toronto@murata-ps.com, tel: +1 (866) 740 1232 www.murata-ps.com c1u-w-1200-48-tx series ac/dc front end power supply c1u-w-1200-48-tx.a02 page 3 of 4 control signals status conditions description led off no ac input to all ps flashing yellow power supply failure flashing green main output absent green power supply good emissions and immunity characteristic description criteria harmonics iec/en 61000-3-2 voltage fluctuation and flicker iec/en 61000-3-3 emission conducted fcc 47 cfr parts 15/cispr 22/en55022 class a, 6db margin emission radiated fcc 47 cfr parts 15/cispr 22/en55022 class a, 6db margin esd iec/en 61000-4-2 4kv contact discharge 8kv operational air discharge 15kv non-operational air discharge electromagnetic field iec/en 61000-4-3 electrical fast transients/burst iec/en 61000-4-4 surge iec/en 61000-4-5 1kv/2kv, performance criteria b rf conducted immunity iec/en 61000-4-6 3 vac, 80% am, 1khz, performance criteria a magnetic immunity iec/en 61000-4-8 3 a/m voltage dips, interruptions iec/en 61000-4-11
technical enquiries email: toronto@murata-ps.com, tel: +1 (866) 740 1232 www.murata-ps.com c1u-w-1200-48-tx series ac/dc front end power supply c1u-w-1200-48-tx.a02 page 4 of 4 murata power solutions, inc. makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. the descriptions contained herein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. specifcations are subject to change without notice. ? 2008 murata power solutions, inc. murata power solutions, inc. 11 cabot boulevard, mansfeld, ma 0204 8 -1151 u.s.a. tel: (508) 339-3000 (800) 233-2765 fax: (508) 339-6356 www.murata-ps.com email: sales@murata-ps.com iso 9001 registered usa: mansfeld (ma), tel: (508) 339-3000, email: sales@murata-ps.com canada: toronto, tel: (866) 740-1232, email: toronto@murata-ps.com uk: milton keynes, tel: +44 (0)1908 615232, email: mk@murata-ps.com france: montigny le bretonneux, tel: +33 (0)1 34 60 01 01, email: france@murata-ps.com germany: mnchen, tel: +49 (0)89-544334-0, email: munich@murata-ps.com japan: tokyo, tel: 3-3779-1031, email: sales_tokyo@murata-ps.com osaka, tel: 6-6354-2025, e mail: sales_osaka@murata-ps.com china: shanghai, tel: +86 215 027 3678, email: shanghai@murata-ps.com guangzhou, tel: +86 208 221 8066, email: guangzhou@murata-ps.com singapore: parkway centre, tel: +65 6348 9096, email: singapore@murata-ps.com 09/26/08 mechanical dimensions dimensions: 1.67 x 5.5 x 14.2 connectors signal 16 pin connector details, type: molex: 39-28-5164 mating part molex: 39-51-2164 pin signal 1 ac_ok 2 p_good 3 ps_on 4 blank 5 i_share 6 blank 7 sense+ 8 sense- 9 v_sb 10 v_sb 11 v_sb 12 v_sb 13 gnd 14 gnd 15 gnd 16 gnd 2-pole terminal block for ac line and neutral stud on chassis for earth + 12v main - output gnd (42.50) 1.673 (361.20) 14.220 (386.00) ref 15.197 signal connector ac input terminal block output terminal m5 studs m4 ground stud (139.70) 5.500 (122.00) 4.803 (127.00) 5.000 4.847 (123.12) m4 mounting thread (4x)
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