wra-zhd- wra-zhd- 3 3 w&wrb-zhd- w&wrb-zhd- 3 3 w w http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 1 of 3 s s e e lection lection guide guide model input voltage (v) output voltage (v) output current max (ma) isolation (vdc) max capacitive load(uf) efficiency (%) wrb2403zhd-3w 9-36 3.3 700 1500 500 75 wrb2405zhd-3w 9-36 5 600 1500 340 81 wrb2407zhd-3w 9-36 7.2 415 1500 340 78 wrb2409zhd-3w 9-36 9 330 1500 165 82 wrb2412zhd-3w 9-36 12 250 1500 50 83 wrb2415zhd-3w 9-36 15 200 1500 50 83 wrb2418zhd-3w 9-36 18 165 1500 50 83 wrb2424zhd-3w 9-36 24 125 1500 34 82 wrb4803zhd- 3w 18-72 3.3 700 1500 500 75 wrb4805zhd-3w 18-72 5 600 1500 340 81 wrb4807zhd-3w 18-72 7.2 415 1500 340 81 wrb4809zhd-3w 18-72 9 330 1500 165 82 wrb4812zhd-3w 18-72 12 250 1500 50 82 wrb4815zhd-3w 18-72 15 200 1500 50 85 wrb4818zhd-3w 18-72 18 165 1500 50 83 wrb4824zhd-3w 18-72 24 125 1500 34 83 wra2403zhd- 3w 9-36 3.3 350 1500 235 80 wra2405zhd-3w 9-36 5 300 1500 165 82 wra2407zhd-3w 9-36 7.2 205 1500 165 80 wra2409zhd-3w 9-36 9 165 1500 50 82 wra2412zhd-3w 9-36 12 125 1500 34 84 wra2415zhd-3w 9-36 15 100 1500 34 80 wra2418zhd-3w 9-36 18 80 1500 34 80 wra2424zhd-3w 9-36 24 62 1500 11 81 wra4803zhd- 3w 18-72 3.3 350 1500 235 79 wra4805zhd-3w 18-72 5 300 1500 165 82 wra4807zhd-3w 18-72 7.2 205 1500 165 81 wra4809zhd-3w 18-72 9 165 1500 50 81 wra4812zhd-3w 18-72 12 125 1500 34 83 wra4815zhd-3w 18-72 15 100 1500 34 81 wra4818zhd-3w 18-72 18 80 1500 34 81 wra4824zhd-3w 18-72 24 62 1500 11 81 model model selection selection wr wr a a 24 24 15 15 z z h d d - - 3 3 w w ( 1 00) product series input voltage output voltage 4 :1wide input volage range symmetric pin layout dip 24 package style rated power(output current) parameters parameters model ce standards en55022 class a, en55024 iec61000-4-2, perf. criteria b iec61000-4-3, perf. criteria a iec61000-4-4, perf. criteria b (external 220uf/100v cap required) iec61000-4-5, perf. criteria b (external 220uf/100v cap required) iec61000-4-6, perf. criteria a iec61000-4-8, perf. criteria a note: also designed to meet iec60950-1:2001 microdc r eserves the copyright 3 w, wide input, isolated & regulated dual/single output dc-dc converter features features rohs compliant 24 pin dip package wide 4:1 input range high efficiency up to 85% operating temperature -40 to + 85 input/output isolation 1500vdc pin compatible with multiple manufacturers continuous short circuit protection no heat sink required industry standard pinout mtbf 1,000,000 hours applications applications the wra-zhd-3w&wrb-zhd-3w series offer 6 watts of output power from a package in an ic compatible 24 pin dip configuration without derating to 71 o c ambient temperature. wra-zhd-3w&wrb-zhd-3w series have 4 :1 wide input voltage of 9 - 36 and 18 - 72 vdc.
wra-zhd- wra-zhd- 3 3 w&wrb-zhd- w&wrb-zhd- 3 3 w w http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 2 of 3 input input specifications specifications parameters nominal typical maximum units voltage range 24 9-36 vdc 48 18-72 vdc filter (pi) network turn on transient process time 350 ms start up time 500 ms absolute maximum rating 24 vin -0.7-40 vdc 48 vin -0.7-80 vdc peak input voltage time ms isolation isolation specifications specifications parameters conditions typical rated units tested i/o voltage 3 sec 1500 vdc resistance > 1000 mohm capacitance 470 pf output output specifications specifications parameters conditions typical rated units voltage accuracy 1 % voltage balance dual output 1 % short circuit protection continuous short circuit restart auto-recovery over current protection 120% iout line voltage regulation (single) 0.5 % line voltage regulation (dual) 0.5 % load voltage regulation (single) load voltage regulation (single) 0 C 100% load 1.5 % 3,3v output model load voltage regulation (dual) 0 C 100% load 0.5 % load voltage regulation (dual) 0 C 100% load 1.5 % 3.3v output model temperature coefficient 0.02 %/ ripple & noise at 20mhz bandwidth 60 mv p-p rising time 10 ms general general specifications specifications parameters conditions typical maximum units switching frequency 100% load 260 khz operating temperature full load without derating -40 to +85 storage temperature -40 to +125 max case temperature +100 derating not-required cooling free air convection humidity 90 % case material plastic or nickel coated copper weight 26 g dimensions (l x w x h) tolerance 0.5 mm or 0.02 inches ( 1.28 x 0.84 x 0.41 inches ) 32.25 x 21.35 x 10.50 mm mtbf >960 000 hrs (mil-hdbk -217f, ground benign, t=+25 )
wra-zhd- wra-zhd- 3 3 w&wrb-zhd- w&wrb-zhd- 3 3 w w http://www.microdc.cn technical enquiries-email:tech@microdc.cn tel:0086-20-86000646 page 3 of 3 mechanical mechanical dimensions dimensions unit:inch(mm) pin section tolerances: 0.004inch( 0.10mm) general tolerances: 0.010inch( 0.25mm) pin pin out out specifications specifications pin single dual 1 24 +v input +v input 2 23 n. c. -v output 3 22 n. c. common 9 16 * omitted omitted 10 15 -v output common 11 14 +v output +v output 12 13 -v input -v input nc:no connection * :this pin can be omitted. microdc professional power module,inc. tel:0086-20-86000646 e-mail:tech@microdc.cn website:http://www.microdc.cn rohs compliant information this series is compatible with rohs soldering systems with a peak wave solder temperature of 300 c for 10 seconds. the pin termination finish on the sip package type is tin plate, hot dipped over matte tin with nickel preplate. the dip types are matte tin over nickel preplate. both types in this series are backward compatible with sn/pb soldering systems. reach compliant information this series has proven that this product does not contain harmful chemicals, it also has harmful chemical substances through the registration, inspection and approval. typical typical charecteristics charecteristics wra2405zhd-3w&wrb2405zhd-3w derating curve recommended recommended footprint footprint recommended footprint top view grid:2.54mm(0.1inch) diameter:1.00mm(0.039inch) tube tube outline outline dimensions dimensions note: unit :mm[inch] general tolerances: 0.50mm[ 0.020inch] l= 230 mm[ 9.055 inch] tube quantity: 10 pcs
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