C C S S O O R R w E E M M T T P P R R a L L R I I E E A A r V V N N A N N T T r NOT RECOMMENDED FOR NEW DESIGNS Compact AC-DC power supply Features 20 Watt PCB mount package AC/DC Converter Universal input voltage range 3KVAC / 1 minute isolation Low output ripple and noise Regulated Short circuit protected RAC20-BRAC Anti-vibration mechanical fixing Converter Description 20 Watt 3 Compact switching AC/DC power module for PCB, screw-terminal connection or DIN-rail mounting. The Single converter is pin compatible with the RAC05-SB, RAC10-SB and RAC20-SN models. A threaded insert is provided for additional mechanical fixing. Output Selection Guide Part Input Output Output Efficiency Max. Capacitive Output (1) Number Voltage Range Voltage Current typ. Load Power max. VAC VDC mA % F W RAC20-05SB 90 - 264 5 3600 78 3500 18 (2) RAC20-12SB 90 - 264 12 1660 82 1800 20 RAC20-24SB 90 - 264 24 833 83 1200 20 Notes: Note1: Efficiency is tested at nominal input and full load at +25C ambient 2 + RoHS REACHREACH compliant compliantcompliant 10 from 10 th NRND (Last time buy: 30 Oct 2020) Part Input Output Output Efficiency Max. Capacitive Output (1) Number Voltage Range Voltage Current typ. Load Power max. VAC VDC mA % F W (2) RAC20-3.3SB 90 - 264 3.3 3600 74 4500 11.9 RAC20-05SB-ST 90 - 264 5 3600 78 3500 18 (2) RAC20-15SB 90 - 264 15 1330 83 1500 20 PREFERRED ALTERNATIVES RAC20-24SB-ST 90 - 264 24 833 83 1200 20 Please consider these alternatives: RAC20-K Series Model Numbering EN60950-1 certified EN55032 compliant RAC20- SB- EN55024 compliant (2) nom. Output Power Connection Output Voltage Single Notes: Note2: no suffix for standard package (THT) add suffix ST for screw terminal module Ordering Examples: RAC20-05SB 20 Watt 5Vout Single Output THT RAC20-24SB-ST 20 Watt 24Vout Single Output Screw Terminal www.recom-power.com REV.: 3/2020 PA-1 TH LAST TIME BUY: 30 OCT 2020, 3.3SB & 15SB TH LAST TIME BUY: 30 OCT 2020, SCREW TERMINAL VERSION, EXCEPT 12VOUT VERSION O O P P E a C C R R O O Y M M n D D O O U U t C C C C E E y T T R R S STH LAST TIME BUY: 30 Oct 2020, 3.3SB & 15SB TH NOT RECOMMENDED FOR NEW DESIGNS LAST TIME BUY: 30 OCT 2020, SCREW TERMINAL VERSION, EXCEPT 12VOUT VERSION RAC20-B AC/DC Converter Series Specifications (measured Ta= 25C, nom. Vin, full load and after warm-up unless otherwise stated) BASIC CHARACTERISTICS Parameter Condition Min. Typ. Max. nom. Vin = 230VAC 90VAC 230VAC 264VAC (3) Input Voltage Range 120VDC 370VDC 115VAC 385mA Input Current 230VAC 250mA 115VAC 20A Inrush Current 2ms max., cold start 230VAC 40A No load Power Consumption 115VAC/230VAC 470mW Input Frequency Range AC Input 47Hz 440Hz Minimum Load 0% 115VAC 12ms Hold-up Time 230VAC 56ms Internal Operating Frequency 100kHz 130kHz 75mVp-p Noise (3.3Vout, 5Vout) (4) Output Ripple and Noise 120mVp-p 20MHz BW Ripple (3.3Vout, 5Vout) 1.0% Vout Ripple and Noise (Others) Notes: Note3: The products were submitted f or safety files at AC-Input operation Note4: Measurements are made with a 0.1F and 47F MLCC across outp ut (low ESR) REGULATIONS Parameter Condition Value Output Accuracy 2.0% max. Line Regulation low line to high line, full load 0.5% typ. (5) Load Regulation 5% to 100% load 1.0% typ. Notes: Note5: Operation below 5% load will not harm the converter, but specifications may not be met PROTECTIONS Parameter Type Value Short Circuit Protection (SCP) Hiccup mode, auto recovery Over Voltage Protection (OVP) zener diode clamp Over Voltage Category OVC II (6) Isolation Voltage I/P to O/P tested for 1 minute 3kVAC Isolation Resistance 100M min. Leakage Current 0.75mA max. Notes: Note6: Refer to local safety regulations if input over-current protection is also required. Recommended fuse: slow blow type Note7: An external MOV is recommended. The varistor should comply with IEC-61051-2. e.g. 14S471K series Protection Circuit L N F +V VAC (L) out in +V out -V VAC (N) out in -V out www.recom-power.com REV.: 3/2020 PA-2 U