www.micropowerdirect.com micropower direct 292 page street suite d stoughton, ma 02072 usa t: (781) 344-8226 f: (781) 344-8481 e: sales@micropowerdirect.com w: www.micropowerdirect.com mdcfm-xxw key features: ? 18 to 75 vdc input ? compact 1? x 2? case ? reverse polarity protection ? 1.0 mhour mtbf ? -40c to +85c operation ? soft start ? 97% ef? ciency ? chassis mount option ? din rail mount option ? low cost input parameter conditions min. typ. max. units input voltage range, see note 1 MDCFM-18W-50 18 24 36 vdc mdcfm-36w-75 36 48 75 no load current, see note 2 10.0 ma general parameter conditions min. typ. max. units ef ciency 97 % max output voltage MDCFM-18W-50 (input <47v) 39 vdc mdcfm-36w-75 (input <100v) 82 max output power MDCFM-18W-50 50 w mdcfm-36w-75 75 emi characteristics (see note 4) parameter standard level radiated emissions en 55022 class b (150 khz - 30 mhz) conducted emissions en 55022 class b (30 mhz - 1 ghz) esd en 61000-4-2 criteria b; air ? kv, contact ? kv rs en 61000-4-3 criteria a; 10v/m eft en 61000-4-4 criteria b; ? kv (5 khz - 100 khz) surge en 61000-4-5 criteria b; ? kv (1.2 s/50 s 2) criteria b; ? kv (1.2 s/50 s 12) cs en 61000-4-6 criteria b; 10 vrms environmental parameter conditions min. typ. max. units operating temperature range ambient -40 +25 +85 ? storage temperature range -55 +125 ? cooling free air convection humidity rh, non-condensing 95 % physical case size module see mechanical drawing (page 2) chassis (a2) mount see mechanical drawing (page 2) din (a4) mount see mechanical drawing (page 2) case material non-conductive black plastic (ul94-v0) weight module 1.77 oz (50g) chassis (a2) mount 2.48 oz (70g) din (a4) mount 3.19 oz (90g) electrical speci? cations speci cations typical @ +25?, nominal input voltage & rated output current, unless otherwise noted. speci cations subject to change without notice. wide 2:1 input, dc compact emc filter module typical connection t yp ical c onnectio n notes: 1. the max input voltage level of the dc/dc con- verter must be less than the maximum speci ed input of the mdcfm-xxw. 2. the maximum power of the dc/dc converter must be less than the maximum output power of the mdcfm-xxw. 3. the -v out pin should not be connected to the ?round input. 4. the external capacitors shown in the typical connection diagram below are required to meet speci ed operation. recommended component values are given in the table at right. component value c 1 400 f/200v cy 1 , cy 2 1nf/2 kv
micropower direct we power your success - for less! 292 page street ste d stoughton, ma 02072 tel: (781) 344-8226 fax: (781) 344-8481 e-mail: sales@micropowerdirect.com www.micropowerdirect.com for the chassis mount option, add suf x ?2?to the model number (i.e. MDCFM-18W-50-a2) w ww.m i cropower di rect.co m www.micropowerdirect.com mechanical dimensions mechanical dimensions: with chassis mount option (a2) pin function 1 gnd 2-v in 3+v in 4+v out 5-v out pin con nec tions the mdcfm-xxw is available mounted on an adapter plate for mounting to a chassis or on a din rail. mechanical dimensions for these adapters are shown at right. the photo below shows a product mounted on a similar adapter. please contact the factory for more information. mechanical dimensions: with din rail option (a4) pin function 1 gnd 2-v in 3+v in 4+v out 5-v out connection is the same for a2 & a4 pin con nec tions for the din rail mount option, add suf x ?4?to the model number (i.e. mdcfm-36w-75-a4) notes: all dimensions are typical in inches (mm) tolerance x.xx = ?.02 (?.50) wire range for a2 & a4 connection is 24 - 12 awg
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