revised 11/21/2011 www.phihong.com 75 watt low cost open frame power supply psa075 single output series features ? 3? x 5? ? low cost ? low profile fits 1u height requirement ? zero minimum load ? class b conducted emi ? over voltage and short circuit protection applications ? tape/disk drive systems ? peripherals ? pos terminals ? routers ? internet servers ? networking safety approvals ? ce (low voltage directive) ? cul/us ? tuv mechanical characteristics ? length: 127mm (5in) ? height: 33.1mm (1.3in) ? width: 76.2mm (3in) ? weight: 220g (7.76oz) output specifications (1) cfm forced air required; with convection cooling max load is 8a for 5v model, 5a for 12v, and 2.5a for 24v models. (2) measured by using a 12 inch twisted pair terminated with a 10uf capacitor and 0.1uf ceramic capacitor in parallel. (3) cfm forced air required; with convection cooling power is 40w for 5v model and 60w for 12v and 24v models. phihong is not responsible for any error, and reserves the right to make changes without notice. please visit our website at ww w.phihong.com for the most up-to-date specifications and contact information. model dc output voltage load ripple (2) regulation max power (3) min. max. (1) p-p (max.) line load psa075-050 +5v 0a 11a 50mv 1% 3% 55w psa075-120 +12v 0a 6.25a 120mv 1% 2% 75w psa075-240 +24v 0a 3.125 240mv 1% 2% 75w
[type text] psa075 characteristics www.phihong.com input: ac input voltage rating 100 to 240v ac ac input voltage range 90v ac to 264v ac ac input frequency 47 to 63hz input current 2.0a (rms) at maximum load and 120v ac 1.0a (rms) at maximum load and 240v ac leakage current <3.5ma maximum at 264v ac, 60hz inrush current 40a for 115v ac at maximum load 80a for 230v ac at maximum load (cold start at ambient 25c) hold-up time 10ms minimum at maximum load, 115v ac output: efficiency at max load, 120v ac 5v ? 65% / 12v ? 70% / 24v ? 75% over-voltage protection 125% maximum over-current protection output equipped with short-circuit protection, auto restart. short circuit protection output can be shorted permanently without damage environmental: temperature operation 0 to 50c non-operation -25 to +85c humidity operation 10 to 90% non-condensing emissions conducted - fcc class b, en55022 class b radiated ? fcc class b, en55022 class b immunity esd: en61000-4-2 level 3 rs: en61000-4-3 level 2 eft/burst: en61000-4-4 level 2 surge: en61000-4-5 level 3 cs: en61000-4-6 level 2 voltage dips: en61000-4-11 harmonic: en61000-3-2 class a flicker: en61000-3-3 general: insulation resistance primary to secondary: 10m ohm 500v dc dielectric withstand (hi-pot) test input to ground: 1500v ac for 3 seconds, 10ma mtbf 150k hours minimum at full load, 115vac 60hz (measured at ambient 25c) input connector (molex or equivalent) input header: molex 09-65-2038 or equivalent (pin 2 n.c.) mating: molex 09-50-1031 or equivalent output connector output header: molex 09-65-2068 or equivalent mating: molex 09-50-1061 or equivalent dimension diagram unit: mm
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