Additional Resources: Product Page 3D Model PCB Footprint date 03/26/2021 page 1 of 8 SERIES: PSK-S20C DESCRIPTION: AC-DC POWER SUPPLY FEATURES universal input (85~264 Vac) -40~70C operating range over voltage/current protection 4,000 Vac input/output isolation voltage board/chassis/DIN-Rail configurations CISPR32/EN55032 Class B UL/EN/IEC 62368-1 certified 2 output output output ripple efficiency MODEL 1 voltage current power and noise min max max max typ (Vdc) (A) (A) (W) (mVp-p) (%) PSK-S20C-3 3.3 0 3.60 11.8 120 74 PSK-S20C-5 5 0 3.60 18 120 78 PSK-S20C-9 9 0 2.20 20 120 79 PSK-S20C-12 12 0 1.66 20 120 82 PSK-S20C-15 15 0 1.33 20 120 83 PSK-S20C-24 24 0 0.833 20 120 83 Notes: 1. At full load, nominal input, 20 MHz bandwidth oscilloscope, with 1 F ceramic and 10 F electrolytic capacitors on the output. 2. At 230 Vac input. 3. All specifications are measured at Ta=25C, humidity <75%, nominal input voltage, and rated output load unless otherwise specified. PART NUMBER KEY PSK-S20C - XX - X Base Number Output Voltage Mounting Style: blank = board mount T = chassis mount DIN = DIN-rail mount cui.comAdditional Resources: Product Page 3D Model PCB Footprint CUI Inc SERIES: PSK-S20C DESCRIPTION: AC-DC POWER SUPPLY date 03/26/2021 page 2 of 8 INPUT parameter conditions/description min typ max units 85 264 Vac voltage 100 370 Vdc frequency 47 63 Hz at 115 Vac 440 mA current at 230 Vac 260 mA at 115 Vac 12 A inrush current at 230 Vac 36 A no load power consumption 0.5 W OUTPUT parameter conditions/description min typ max units 3.3 Vdc output models 10,000 F 5 Vdc output models 6,600 F 9 Vdc output models 4,400 F capacitive load 12 Vdc output models 3,000 F 15 Vdc output models 2,000 F 24 Vdc output models 800 F 3.3 Vdc output models 3 % initial set point accuracy all other models 2 % line regulation at full load 0.5 % load regulation from 0~100% load 1 % at 115 Vac, full load 5 10 ms hold-up time at 230 Vac, full load 44 55 ms switching frequency 100 kHz temperature coefficient 0.02 %/C PROTECTIONS parameter conditions/description min typ max units output voltage clamp 3.3, 5 Vdc output models 7.5 Vdc over voltage protection 9 Vdc output models 15 Vdc 12, 15 Vdc output models 20 Vdc 24 Vdc output models 30 Vdc over current protection auto recovery 110 % short circuit protection hiccup, continuous, auto recovery SAFETY & COMPLIANCE parameter conditions/description min typ max units isolation voltage input to output for 1 minute, 5 mA 4,000 Vac safety approvals UL 62368-1, EN 62368-1, IEC 62368-1 safety class Class II conducted emissions CISPR32/EN55032, Class B radiated emissions CISPR32/EN55032, Class B ESD IEC/EN61000-4-2, contact 6 kV/ air 8 kV, Class B radiated immunity IEC/EN61000-4-3, 10 V/m, Class A cui.com