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 noise1 efficiency (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 μF ceramic cap and a 10 μF electrolytic capacitors on the output cui.com CUI Inc │ SERIES: VFM40 │ DESCRIPTION: AC-DC POWER SUPPLY date 08/17/2012 │ page 2 of 4 PART NUMBER KEY VFM40 - X XXXXX Base Number Output: D = dual T = triple Output Voltage INPUT parameter conditions/description min voltage frequency typ max units 90 120 264 370 Vac Vdc 47 440 Hz input current 115 Vac 1 A inrush current 230 Vac 60 mA max units OUTPUT parameter conditions/description typ dual output models V1 V2 ±1 ±2 % % triple output models V1 V2 V3 ±1 ±2 ±1 % % % dual output models V1 V2 ±3 ±5 % % triple output models V1 V2 V3 ±3 ±5 ±1 % % % dual output models V1 V2 ±3 ±4 % % triple output models V1 V2 V3 ±3 ±4 ±3 % % % line regulation load regulation voltage accuracy hold-up time min 115 Vac at full load adjustment range 20 ms 10 % PROTECTIONS parameter over voltage protection conditions/description min typ 4.6 6.7 V1 3.3 V 5V 3.6 5.7 V2 12, 15, and 24 V 120 over current protection auto recovery short circuit protection auto recovery upon removal of short max units Vdc Vdc 140 % 180 %Io max units SAFETY & COMPLIANCE parameter conditions/description min isolation voltage primary to secondary safety standards UL, TUV, CE EMI/EMC EN 61204-3 Class B, CISPR, FCC Class B 4,242 leakage current RoHS compliant typ Vac 3.5 yes cui.com mA CUI Inc │ SERIES: VFM40 │ DESCRIPTION: AC-DC POWER SUPPLY date 08/17/2012 │ page 3 of 4 ENVIRONMENTAL parameter conditions/description operating temperature see derating curve min storage temperature max units 0 typ 45 °C -20 85 °C max units DERATING CURVES All other models VFM40-3512 MECHANICAL parameter conditions/description min dimensions 4 x 2 x 1.2 (101.6 x 50.8 x 30.48 mm) typ inch weight 180 g MECHANICAL DRAWING units: inches (mm) tolerance: inches: x.xx = ±0.02 mm: x.xx = ±0.5 4.000 (101.60) 3.748 (95.20) 0.126 (3.20) MATING CONNECTORS VR .1 2 (ø 3. 00 ) housing: 09-50-3061 crimp contact: 2878 2.000 (50.80) ACL 1.752 (44.50) 1 2 3 4 5 6 0.098 (2.50)max 4ø0 DC output (CN2) ACN cui.com 1.063 (27.00)max AC input (CN1) housing: 09-50-3031 crimp contact: 2878 PIN CONNECTIONS 0.126 (3.20) MOLEX 0.063 (1.60) CONNECTOR PIN FUNCTION 1 V2 2 V1 3 V1 4 COM 5 COM 6 V3 CUI Inc │ SERIES: VFM40 │ DESCRIPTION: AC-DC POWER SUPPLY date 08/17/2012 │ page 4 of 4 REVISION HISTORY 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-Infinity 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. 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.