For more information, please visit the product page. date 08/13/2013 page 1 of 5 SERIES: VF-S250-XXA │ DESCRIPTION: AC-DC POWER SUPPLY FEATURES • • • • • • • • • up to 250 W continuous power 600 W peak power within 500 μs duty duration passive power factor correction power good signal remote on/off control 3000 Vac isolation voltage over load, over voltage, over temperature, and short circuit protections ions UL, cUL, and TUV 60950-1 safety approvals efficiency up to 85% RoHS MODEL VF-S250-05A output voltage output current output1 power ripple and noise 2,3 efficiency (Vdc) max (A) max (W) max (mVp-p) typ (%) 5 40 200 50 75% VF-S250-09A 9 25 225 90 83% VF-S250-12A 12 20.83 250 120 80% VF-S250-15A 15 16.67 250 150 83% VF-S250-18A 18 13.89 250 180 83% VF-S250-24A 24 10.42 250 240 83% VF-S250-28A 28 8.93 250 280 83% VF-S250-36A 36 6.93 250 360 83% VF-S250-48A 48 5.21 250 480 83% VF-S250-54A 54 4.63 250 540 83% Notes: 1. Maximum power must not exceed 135 W with convection cooling or 250 W for forced air. 5 and 9 V models maximum current listed. 2. 1% minimum load is required to maintain the ripple and regulation. 3. Ripple and noise is measured from 10 KHz to 20 MHz at output terminals with a 0.1 μF ceramic capacitor and a 22 μF electrolytic capacitor in parallel. PART NUMBER KEY VF - S250 - XX A - X X Base Number Output Voltage Low leakage option: “blank” = standard specification L = low leakage (contact factory) Input/Output connector: “blank” = Terminal block input / Terminal block output 1 = Molex input / Molex output 2 = Molex input / Terminal block output 3 = Terminal block input / Molex output cui.com For more information, please visit the product page. CUI Inc │ SERIES: VF-S250-XXA │ DESCRIPTION: AC-DC POWER SUPPLY date 08/13/2013 │ page 2 of 5 INPUT parameter conditions/description voltage 90-132/180-264 auto selectable min frequency max units 90/180 typ 132/264 Vac 47 63 Hz 6 3 A A 35 70 A A current at 110~120 Vac, cold start at 200~240 Vac, cold start inrush current at 115 Vac, cold start at 230 Vac, cold start power factor compliant to EN 61000-3-2 class A remote on/off designated as RMSW on the CN1, requires a low signal to inhibit output, hiccup mode OUTPUT parameter conditions/description min line regulation low line to high line ±1 % load regulation all other outputs ±1 % 0.25 mV/°C temperature coefficient typ transient response output voltage returns to within 1% in less than 2.5 ms for a 50% load change peak transient does not exceed 5%. start-up time at 120 Vac rise time hold-up time 0.2 at 120 Vac and 80% of rated maximim load max 1 s 20 ms 20 adjustability units ms ±5 power good designated as PG on the CN1, signal goes high 100~500 ms after the output reaches regulation, signal goes low at least 1 ms before loss of regulation fan drive 12 Vdc / 300 mA for external fan % PROTECTIONS parameter conditions/description min typ max over voltage protection AC input needs to be reset to restart the power supply over current protection automatically recovers short circuit protection short circuit can be continuous, recovers automatically upon removal of short over temperature protection auto recovery units 130 % 110 140 % 85 °C max units SAFETY & COMPLIANCE parameter conditions/description isolation voltage for 3 seconds at 10 mA max primary to secondary: primary to transformer core: primary to earth chassis: min safety approvals UL 60950-1, CSA C22.2 No. 60950-1, TUV EN 60950-1 and CB EMI/EMC CISPR 22/EN 55022 class B, EN 61000-3-2, 3, EN 61000-4-2, 3, 4, 5, 6, 8, 11, EN 55024 CE marked (LVD) leakage current at 240 Vac, (optional for 500 μA at 240 Vac, 300 μA at 120 Vac) typ 3,000 1,500 1,500 MTBF according to MIL-HDBK-217 at 30ºC RoHS compliant yes cui.com Vac Vac Vac 1.5 100,000 mA hrs For more information, please visit the product page. CUI Inc │ SERIES: VF-S250-XXA │ DESCRIPTION: AC-DC POWER SUPPLY date 08/13/2013 │ page 3 of 5 ENVIRONMENTAL parameter conditions/description min operating temperature 0 storage temperature typ max units 70 °C -20 85 °C non-condensing 5% 90% % storage humidity non-condensing 5% 95% % vibration acceleration ±7.35 M/(SxS), on X, Y and Z Axis 5 50 Hz operating humidity DERATING CURVE output power vs. ambient temperature Load (%) 100 80 60 50 40 20 0 10 20 30 40 50 60 Ambient Temperature (°C) cui.com 70 For more information, please visit the product page. CUI Inc │ SERIES: VF-S250-XXA │ DESCRIPTION: AC-DC POWER SUPPLY date 08/13/2013 │ page 4 of 5 MECHANICAL parameter conditions/description dimensions 127.00 x 81.28 x 38.10 (5 x 3.2 x 1.5 inch) min typ max units mm weight 400 g MECHANICAL DRAWING 50.80 2.000 6.35 0.250 6.35 0.250 19.05 0.750 13.90 0.547 (2 PLCS) 68.58 2.700 (2 PLCS) mounting hole M3x0.5 (7 PLCS) 44.52 1.753 (2 PLCS) LED CN1 1 ground 2 ac neutral 3 FAN 64.76 2.550 CN3 FG CN2 81.28 3.200 RTN RMSW P.G VO- NEUTRAL ac line VO+ LINE CN1 CN2 1 Vo+ 2 Vo+ 3 Vo+ 4 Vo- 5 Vo- 6 Vo- molex part no. 26-48-1051 (5 pins, 3 used) 8.26 0.325 terminal block M3 screw 3pins 6.35mm center CN3 1 Power Good 2 remote switch 3 RTN 38.10 1.500 127.00 5.000 Notes: 1. 2. 3. 4. 5. CN1 mates with molex part no. 09-93-0500 and molex 2478, 2578, 8818 crimp pins. CN2 mates with molex part no. 09-93-0600 and molex 2478, 2578, 8818 crimp pins. CN3 mates with JST part no. XHP-3 or equivalent (Chyao Shiunn JS-2001-03) and JST SXH-002T-P0.6 mating pins Fan drive connector mates with JST part no. XHP-2 or equivalent. Mounting hole maximum M3 screw depth 3.8mm cui.com molex part no. 26-48-1061 (6 pins) terminal block M3 screw 4pins 6.35mm center For more information, please visit the product page. CUI Inc │ SERIES: VF-S250-XXA │ DESCRIPTION: AC-DC POWER SUPPLY date 08/13/2013 │ page 5 of 5 REVISION HISTORY rev. description date 1.0 initial release 05/5/2009 1.01 new template applied 12/16/2011 1.02 V-Infinity branding removed 08/28/2012 1.03 updated Molex mating connector part numbers 07/11/2013 1.04 updated spec 08/13/2013 The revision history provided is for informational purposes only and is believed to be accurate. Headquarters 20050 SW 112th Ave. Tualatin, OR 97062 800.275.4899 Fax 503.612.2383 cui.com [email protected] 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 be 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.