VF-S250-48A-CF

Additional Resources: Product Page | 3D Model date 06/02/2022 page 1 of 5 SERIES: VF-S250-XXA-CF │ DESCRIPTION: AC-DC POWER SUPPLY FEATURES • • • • • • • • • • up to 250 W continuous power 600W peak power within 500 µs duty duration metal top cover and fan passive power factor correction power good signal remote on/off control 3,000 Vac isolation voltage over load, over voltage, over temperature, and short circuit protections UL, cUL, and TUV 62368-1 safety approvals efficiency up to 83% RoHS MODEL output voltage output current output power ripple and noise 1,2 efficiency (Vdc) max (A) max (W) max (mVp-p) typ (%) VF-S250-05A-CF* 5 40 200 50 75% VF-S250-09A-CF 9 25 225 90 83% VF-S250-12A-CF 12 20.83 250 120 80% VF-S250-15A-CF 15 16.67 250 150 83% VF-S250-18A-CF 18 13.89 250 180 83% VF-S250-24A-CF 24 10.42 250 240 83% VF-S250-28A-CF 28 8.93 250 280 83% VF-S250-36A-CF 36 6.93 250 360 83% VF-S250-48A-CF 48 5.21 250 480 83% VF-S250-54A-CF 54 4.63 250 540 83% Notes: 1. 1% minimum load is required to maintain the ripple and regulation. 2. 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. 3. * Discontinued model. PART NUMBER KEY VF - S250 - XXA - CF - XX 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 Additional Resources: Product Page | 3D Model CUI Inc │ SERIES: VF-S250-XXA-CF │ DESCRIPTION: AC-DC POWER SUPPLY date 06/02/2022 │ page 2 of 5 INPUT parameter voltage conditions/description min max units auto selectable 90 180 132 264 Vac Vac 47 63 Hz 6 3 A A 35 70 A A max units frequency typ 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, off behavior: hiccup mode OUTPUT parameter conditions/description min regulation typ ±1 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 230 Vac hold-up time at 80% of rated maximim load % 1 20 adjustability s ms ±5 % 25 kHz switching frequency fixed 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 (open collector). fan drive 12 Vdc / 300 mA for external fan PROTECTIONS parameter conditions/description over voltage protection AC input needs to be reset to restart the power supply min over current protection automatically recovers short circuit protection short circuit can be continuous, recovers automatically over temperature protection auto recovery typ 110 max units 130 % 140 % 110 °C SAFETY & COMPLIANCE parameter conditions/description min typ max isolation voltage for 3 seconds at 10 mA max primary to secondary: primary to transformer core: primary to earth chassis: safety approvals IEC/EN/UL 62368-1 EMI/EMC EN 55032 Class B conducted / radiated, EN 61000-3-2, EN 61000-3-3, EN 55024 (IEC 61000-4-2, IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-6, IEC 61000-4-8, IEC 61000-4-11) leakage current standard model at 264 Vac low-leakage model at 240 Vac low-leakage model at 120 Vac RoHS yes MTBF according to MIL-HDBK-217 at 30ºC 3,000 1,500 1,500 Vac Vac Vac 1 500 300 cui.com 100,000 units mA μA μA hrs Additional Resources: Product Page | 3D Model CUI Inc │ SERIES: VF-S250-XXA-CF │ DESCRIPTION: AC-DC POWER SUPPLY date 06/02/2022 │ page 3 of 5 ENVIRONMENTAL parameter conditions/description min operating temperature storage temperature typ max units 0 70 °C -20 85 °C operating humidity 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 DERATING CURVES MECHANICAL parameter conditions/description dimensions 5(L) x 3.2(W) x 2(H) min typ max units inches weight 500 cui.com g Additional Resources: Product Page | 3D Model CUI Inc │ SERIES: VF-S250-XXA-CF │ DESCRIPTION: AC-DC POWER SUPPLY date 06/02/2022 │ page 4 of 5 MECHANICAL DRAWING units: mm CN1 1 ground 2 ac neutral 3 ac line B B B CN2 1 Vo+ 2 Vo+ 3 Vo+ 4 Vo- 5 Vo- 6 Vo- OUTPUT INPUT CN3 1 Power Good 2 remote switch 3 RTN 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 penetration depth is 2.1 mm. cui.com Additional Resources: Product Page | 3D Model CUI Inc │ SERIES: VF-S250-XXA-CF │ DESCRIPTION: AC-DC POWER SUPPLY date 06/02/2022 │ page 5 of 5 REVISION HISTORY rev. description date 1.0 initial release 05/05/2009 1.01 new template applied 12/17/2011 1.02 V-Infinity branding removed 08/28/2012 1.03 updated Molex mating connector part numbers 07/18/2013 1.04 updated spec 08/13/2013 1.05 updated to be certified to 62368-1 safety standard 07/02/2019 1.06 company logo updated 12/22/2020 1.07 updated remote on/off line & derating curve 04/26/2021 1.08 product image updated 03/24/2022 1.09 discontinued model VF-S250-05A-CF 06/02/2022 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 techsupport@cui.com 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.