cui .com date 08/17/2012 page 1 of 4 series: vfm40 description: ac-dc power supply features ? up to 40 w continuous power ? industry standard footprint (2x4?) ? universal input (90~264 vac) ? 4,242 v isolation ? over current, over temperature, over voltage, and short circuit protections ? efficiency up to 81% rohs model output voltage output current output power ripple and noise 1 ef ciency (vdc) min (a) typ (a) max (a) max (w) max (mvp-p) typ (%) VFM40-D512 5 (v1) 12 (v2) 0.4 0.2 3.2 2.0 5.0 2.5 40.0 50 120 80 vfm40-d524 5 (v1) 24 (v2) 0.4 0.2 3.2 1.0 5.0 1.5 40.0 50 240 81 vfm40-t5125 5 (v1) 12 (v2) -5 (v3) 0.4 0.2 0 3.0 2.0 0.3 5.0 2.5 0.5 40.5 50 120 50 78 vfm40-t512 5 (v1) 12 (v2) -12 (v3) 0.4 0.2 0 3.0 2.0 0.3 5.0 2.5 0.5 42.6 50 120 120 78 vfm40-t515 5 (v1) 15 (v2) -15 (v3) 0.4 0.2 0 3.0 1.5 0.3 5.0 2.3 0.5 42.0 50 150 150 78 vfm40-t52412 5 (v1) 24 (v2) -12 (v3) 0.4 0.2 0 3.0 1.0 0.3 5.0 1.5 0.5 42.6 50 240 120 78 vfm40-t5245 5 (v1) 24 (v2) -5 (v3) 0.4 0.2 0 3.0 1.0 0.3 5.0 1.5 0.5 40.5 50 240 50 78 vfm40-t52412-1 5 (v1) 24 (v2) 12 (v3) 0.4 0.2 0 3.0 1.0 0.3 5.0 1.5 0.5 42.6 50 240 120 78 vfm40-3512 3.3 (v1) 5 (v2) 12 (v3) 0.4 0.2 0 5.0 2.0 0.3 7.0 3.5 0.5 30.0 100 100 120 71 notes: 1. ripple & noise are measured at 20 mhz bw with 0.1 f ceramic cap and a 10 f electrolytic capacitors on the output
cui .com cui inc series: vfm40 description: ac-dc power supply date 08/17/2012 page 2 of 4 input parameter conditions/description min typ max units voltage 90 120 264 370 vac vdc frequency 47 440 hz input current 115 vac 1a inrush current 230 vac 60 ma output parameter conditions/description min typ max units line regulation dual output models v1 v2 1 2 % % triple output models v1 v2 v3 1 2 1 % % % load regulation dual output models v1 v2 3 5 % % triple output models v1 v2 v3 3 5 1 % % % voltage accuracy dual output models v1 v2 3 4 % % triple output models v1 v2 v3 3 4 3 % % % hold-up time 115 vac at full load 20 ms adjustment range 10 % protections parameter conditions/description min typ max units over voltage protection v1 3.3 v 5 v 3.6 5.7 4.6 6.7 vdc vdc v2 12, 15, and 24 v 120 140 % over current protection auto recovery 180 %io short circuit protection auto recovery upon removal of short safety & compliance parameter conditions/description min typ max units isolation voltage primary to secondary 4,242 vac safety standards ul, tuv, ce emi/emc en 61204-3 class b, cispr, fcc class b leakage current 3.5 ma rohs compliant yes part number key vfm40 - x xxxxx base number output voltage output: d = dual t = triple
cui .com cui inc series: vfm40 description: ac-dc power supply date 08/17/2012 page 3 of 4 environmental parameter conditions/description min typ max units operating temperature see derating curve 0 45 c storage temperature -20 85 c mechanical parameter conditions/description min typ max units dimensions 4 x 2 x 1.2 (101.6 x 50.8 x 30.48 mm) inch weight 180 g derating curves 4-?0.12 (?3.00) 2.000 (50.80) 4.000 (101.60) 1.063 (27.00)max 0.063 (1.60) 0.098 (2.50)max 1.752 (44.50) 0.126 (3.20) 0.126 (3.20) 3.748 (95.20) acl acn 6 5 4 3 2 1 vr mechanical drawing units: inches (mm) tolerance: inches: x.xx = 0.02 mm: x.xx = 0.5 pin connections pin function 1v2 2v1 3v1 4 com 5 com 6v3 mating connectors connector molex ac input (cn1) housing: 09-50-3031 crimp contact: 2878 dc output (cn2) housing: 09-50-3061 crimp contact: 2878 all other models vfm40-3512
cui inc series: vfm40 description: ac-dc power supply date 08/17/2012 page 4 of 4 cui offers a two (2) year limited warranty. complete warranty information is listed on our website. cui reserves the right to make changes to the product at any time without notice. information provided by cui is believed to b e accurate and reliable. however, no responsibility is assumed by cui for its use, nor for any infringements of patents or other rights of third parties which may result from its use . cui products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. a critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. headquarters 20050 sw 112th ave. tualatin, or 97062 800.275.4899 fax 503.612.2383 cui .com techsupport@cui.com rev. description date 1.0 initial release 01/30/2007 1.01 updated spec template and derating curves 08/28/2007 1.03 new template applied, v-in nity branding removed, safety marks/standards and mechanical drawing updated 08/17/2012 the revision history provided is for informational purposes only and is believed to be accurate. revision history
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