input parameter conditions min. typ. max. units input voltage range universal 85 264 vac 127 373 vdc input frequency 47 63 hz input filter meets en 55022 class b; fcc class b input current see model selection guide inrush current cold start, 115 vac 20.0 a pk cold start, 230 vac 40.0 safety ground leakage current 264 vac 3.5 ma output parameter conditions min. typ. max. units output voltage/current see model selection guide output voltage tolerance see note 1 ?.0 % line regulation vin = 100 vac to 240 vac ?.5 % load regulation iout = 10% to 100% ?.0 % ripple & noise (20 mhz) see note 2 ?.0 % hold-up time 115 vac 16 msec 230 vac 85 temperature coef cient ?.05 %/? short circuit protection hiccup mode (autorecovery) overload protection 150 % general parameter conditions min. typ. max. units isolation voltage input to output 3,000 vac isolation resistance 500 vdc 1,000 m isolation capacitance 220 pf emi/rfi conducted en 55022; en 61000-3-2, -3 emc compliance electrostatic discharge (esd) iec/en 61000-4-2, -6, -8, -11 rf field susceptibility iec/en 61000-4-3 electrical fast transients/bursts on mains iec/en 61000-4-4 surge iec/en 61000-4-5 switching frequency fixed 67 khz environmental parameter conditions min. typ. max. units operating temperature range ambient 0 +25 +40 ? storage temperature range -20 +85 ? cooling free air convection (see derating curve) humidity rh, non-condensing 93 % physical size 3.50 x 2.00 x 1.00 inches (88.92 x 50.08 x 25.40 mm) weight 3.52 oz (0.100 kg) reliability speci cations parameter conditions min. typ. max. units mtbf mil hdbk 217f, 25?, gnd benign 300 khours safety standards ul 60950, en 60950 vibration sinusoidal 5~500 hz, 3.0 grms, period of 30 min each along x, y & z axis compact, pcb-mount 20w, open frame ac/dc power supplies key features: 20w output power universal 85-264 ac input en 60950 approved (ul) compact 2 x 3.5 in package six standard models meets en 55022 b meets en 61000-4 >200 khour mtbf MPB-20S series electrical speci cations speci cations typical @ +25?, nominal input voltage & rated output current, unless otherwise noted. speci cations subject to change without notice. www.micropowerdirect.com micropower direct 292 page street suite d stoughton, ma 02072 usa t: (781) 344-8226 f: (781) 344-8481 e: sales@micropowerdirect.com w: www.micropowerdirect.com
model selection guide mechanical dimensions derating curve notes: 1. output voltage tolerance is measured at nominal input and 75% load. 2. output ripple is measured at 20 mhz bandwidth using 0.1 f and 10 f capacitors connected in parallel as close to the power supply terminals as possible. 3. these units will operate at no load without damage. for most appli- cations however, mpd recommends that a minimum load always be used. contact the factory for more information. 4. each unit includes an input fuse (250v/2a). since this fuse is not eld replaceable, it is recommended that an external fuse of the same size be used on the input of the power supply for protection. notes: all dimensions are typical in inches (mm) tolerance x.xx = 0.02 ( 0.50) micropower direct we power your success - for less! 292 page street ste d stoughton, ma 02072 tel: (781) 344-8226 fax: (781) 344-8481 e-mail: sales@micropowerdirect.com other models may be available. contact the factory for details www.micropowerdirect.com model number input output max output power (w) max output capacitance (f) ef ciency (%, typ) current (a) voltage (vdc) current (a) 115 vac 230 vac rated % min. MPB-20S-03 0.44 0.24 3.3 4.40 0.00 14.5 4,400 68 MPB-20S-05 0.44 0.24 5.0 4.40 0.00 22.0 4,400 75 MPB-20S-09 0.44 0.24 9.0 2.45 0.00 22.0 2,530 79 MPB-20S-12 0.44 0.24 12.0 1.80 0.00 22.0 2,200 81 MPB-20S-15 0.44 0.24 15.0 1.40 0.00 22.0 1,400 83 MPB-20S-24 0.44 0.24 24.0 0.92 0.00 22.0 950 83 pin description 1 ac-neutral 2 ac-line 3 +v output 4 +v output 5 -v output 6 -v output safety ground: the mounting holes marked ?se metal standoffs should be connected to the system earth ground via metal spacers or a cable. the input side mounting hole marked ?g provides the safety earth ground for the unit. this connection should be locked to prevent possible loosening. connecting the output side mounting hole improves emi. pin connections
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