date 09/2010 page 1 of 5 a division of CUI INC SERIES: DESCRIPTION: EMSA 40W SWITCHING POWER SUPPLY FEATURES •universal AC input •regulated output voltage •short circuit protection •meets EISA / efficiency level V regulations •custom designs available RoHS MODEL output voltage output wattage ripple* nominal (V dc) min (A) max (A) max (W) max. (mVp-p) EMSA120300 12 0 3.0 36 300 V 1530 ±100 EMSA200200 20 0 2.0 40 300 V 1530 ±100 EMSA240167 24 0 1.67 40 300 V 1530 ±100 output current efficiency level cord length (mm) *at full load, 100 ~ 240 V ac input, measured at 20MHz bandwidth with a 10 uF electrolytic cap and a 0.1 uF ceramic cap on the output PART NUMBER KEY EMSA120300 X - XX - SZ - CXX Base Number example of 12 V dc, 3 A DC Plug type: see output plug options on page 4 Factory Designation Reserved for custom configurations Blades: “blank” = North American, European, United Kingdom, Australian, and China blades included N = North American blade included E = European blade included B = United Kingdom blade included A = Australian blade included C = China blade included 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 www.v-infinity.com date 09/2010 page 2 of 5 a division of CUI INC SERIES: DESCRIPTION: EMSA 40W SWITCHING POWER SUPPLY INPUT parameter max units rated input voltage conditions/description min 100 nom 240 V ac input voltage range 90 264 V ac rated frequency 50 60 Hz frequency range 47 63 Hz rated input current 1.0 A no load power consumption 0.3 W max units OUTPUT parameter conditions/description min nom line regulation ±1 % load regulation ±5 % over voltage protection output voltage clamped by internal protection zener short circuit protection output shut down and auto-restart SAFETY & EMI parameter conditions/description HI-POT input to output at 10 mA for 1 minute insulation resistance input to output at 500 V dc safety approvals UL/cUL, GS, BSMI, RCM, CCC EMI standard FCC class B, CE, VCCI-II min nom units 3,000 4,242 V ac V dc 100 M leakage current RoHS compliant max 0.25 mA max units yes ENVIRONMENTAL parameter conditions/description min operating temperature nom 0 40 °C operating humidity 20 80 % storage temperature -10 70 °C storage humidity 10 90 % 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 www.v-infinity.com date 09/2010 page 3 of 5 a division of CUI INC SERIES: DESCRIPTION: EMSA 40W SWITCHING POWER SUPPLY MECHANICAL DRAWING ˄ˁ˃ ˆˈˁˆ̈́˄ˁ˃ input plug multi-blade (UL, UK, SAA, VDE, CCC) case size 74 L x 43.5 W x 35.3 H mm tolerance: ±1 mm ˄ˁ˃ EMS-US EMS-AU EMS-UK EMS-EU EMS-CC DC CORD ˄ˈˆ˃̈́˄˃˃ ˄˃̈́ˆ ˅ˁˋ̑ˇˁ˃̀̀ Cable Gauge EMSA120300 18 AWG EMSA200200 20 AWG EMSA240167 20 AWG 48B ˊ˃ ˦ʹ˧ ˙˸̅̅˼̇˸ʳ˶̂̅˸ʳ̊˼̇˻ʳ̂́˸ʳ̇̈̅́̆ʳ̊˼̅˸ ˄˅̋˅˃̋ˊˁˆʻ˃˄ˋʼ Black wire, white stripe: Positive 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 www.v-infinity.com date 09/2010 page 4 of 5 a division of CUI INC SERIES: DESCRIPTION: EMSA 40W SWITCHING POWER SUPPLY OUTPUT PLUG OPTIONS ˄ˇʳ̈́˃ˁˈ ˆˁˈʳʾ˃˂ˀ˃ˁ˄ ˆˁˈʳʾ˃˂ˀ˃ˁ˄ 3.5 mm Phono Plug ˄ˇʳ̈́˃ˁˈ *Tip positive P1 P1R Standard DC Plug ˖ Standard PX P5/P5R P6/P6R P7/P7R P8/P8R P9/P9R ˕ ˔ ˕ ˔ ˖ Right Angle PXR A 5.5 5.5 3.5 3.8 3.8 B 2.1 2.5 1.3 1.35 1.05 C 9.5 9.5 9.5 9.5 9.5 Unit mm mm mm mm mm Locking DC Plug ˖ ˔ ˕ P10 P11 A 5.5 5.5 B 2.1 2.5 C 9.5 9.5 Unit mm mm EIAJ Plugs EIAJ A B P12/P12R EIAJ-1 2.35 0.7 P13/P13R EIAJ-2 4.0 1.7 P14/P14R EIAJ-3 4.75 1.7 ˕ ˔ ˕ ˔ ˖ C 9.5 9.5 9.5 D NA 5.0 5.0 Unit mm mm mm ˖ Standard PXX Right Angle PXXR ˗ Stripped and Tinned ˅ˈ̈́ˈ DC PLUG TYPE ST PXX X X stripped and tinned Plug type Plug angle: “blank” = standard R = right angle *Contact CUI for additional output plug options. 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 Plug polarity: “blank” = N/A P = center positive N = center negative fax 503.612.2382 www.v-infinity.com date 09/2010 page 5 of 5 a division of CUI INC SERIES: EMSA 40W DESCRIPTION: SWITCHING POWER SUPPLY INDIVIDUAL PACKAGING ± 1 mm ˄˃̈́˄ tolerance RoHS Compliant ˈ˃̈́˄ PACKAGING tolerance +7 / -0 mm "RoHS Compliant" 20050 SW 112th Ave. Tualatin, Oregon 97062 phone 503.612.2300 fax 503.612.2382 www.v-infinity.com