revised 11/21/2011 www.phihong.com 120 watt low cost open frame power supply psa120 single output series features ? 3? x 5? footprint ? low cost ? low profile fits 1u height requirement ? zero minimum load ? class b conducted emi ? over voltage and short circuit protection applications ? low profile racks ? computer peripherals ? pos terminals ? routers ? network hubs ? gaming machines safety approvals ? cul/ul ? tuv ? ce (low voltage directive) mechanical characteristics ? length: 127mm (5in) ? height: 21.4mm (0.85in) ? width: 50.8mm (2in) ? weight: 135g (4.7oz) output specifications (1) 30cfm forced air required. with convection cooling load is 9a for 5v, 6.67a for 12v, and 3.33a for 24v models. (2) measure by using a 12 inch twisted pair terminal with a 10uf capacitor an d 0.1uf ceramic capacitor in parallel. (3) 30cfm forced air required. with convection cooling power is 45w for 5v, and 80w 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 psa120-050 +5v 0a 15a 100mv 1% 4% 75w PSA120-120 +12v 0a 10a 120mv 1% 2% 120w psa120-240 +24v 0a 5a 240mv 1% 2% 120w
psa120 characteristics www.phihong.com input: ac input voltage rating 100 to 240v ac ac input voltage range 90 to 264v ac ac input frequency 47 to 63hz input current 4.0a (rms) at maximum load and 115v ac 2.0a (rms) at maximum load and 230v ac leakage current 3.5ma maximum at 264v ac inrush current 30a for 115v ac at maximum load 60a for 230v ac at maximum load (cold start at ambient 25c) hold-up time 10ms minimum at maximum load and 115v ac output: efficiency 70% minimum at max load and 115v ac for 5v 75% minimum at max load and 115v ac for 12v 78% minimum at max load and 115v ac for 24v over-voltage protection >120% over-current protection over-current 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 95% non-condensing emissions conducted: fcc class b en55022 class b radiated: fcc class a en55022 class a immunity en55024 1998 en61000-4-2 level 3 en61000-4-3 level 2 en61000-4-4 level 3 en61000-4-5 level 3 en61000-4-6 level 2 en61000-4-11 en61000-3-2 harmonic class a en61000-3-3 flicker general: insulation resistance input to ground: 10m ohms minimum, 500v dc dielectric withstand (hi-pot) test input to output: 3000v ac for 1 minute, 10ma input to ground: 1500v ac for 1 minute, 10ma switching frequency 42khz 10% mtbf (full load, 30cfm and ambient 25c) 150k hours minimum ac input connector (molex or equivalent) input header: molex 09-65-2038 or equivalent mating: moles 09-50-1031 or equivalent dc output connector output header: molex 09-65-2088 or equivalent mating: molex 09-50-1081 or equivalent
dimension diagram unit: mm (inch) www.phihong.com
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