40mW max. no load power consumption Features High efficiency up to 76% AC/DC Converter Isolated output 3kVAC / 1 min SCP, OVP protection Regulated Wide operating temperature range: -40C to +85C Converter Universal input 85-305VAC RAC03-SER/277RAC Description 3 Watt The modules of the RAC03-SER/277 series are regulated AC/DC converters with 3kVAC isolation and a Single round, flat shape. This series has been designed to offer low stand-by consumption and an ultra-wide input voltage range. Uses include a variety of applications in building automation, security systems and Output communication systems. Selection Guide Part Input Output Output Efficiency Max. Capacitive (1) (2) Number Voltage Range Voltage Current typ Load VAC VDC mA % F RAC03-3.3SER/277 100-277 3.3 900 68 22000 RAC03-05SER/277 100-277 5 600 70 7500 RAC03-12SER/277 100-277 12 250 74 1000 RAC03-24SER/277 100-277 24 125 76 200 Notes: Note1: Efficiency is tested at nominal input and full load at +25C ambient Note2: Max Cap Load is tested at nominal input and full resisitive load Model Numbering E224736 RAC03- SER/277- (3) Packaging nom. Output Power Single Output Voltage UL60950-1 certified CAN/CSA-22.2 No. 60950 certified Notes: EN60335-1 certified Note3: add suffix -TRAY for Tray packaging, without suffix standard cardboard box packaging IEC/EN60950-1 certified CB Report EN55032 certified EN55024 certified Ordering Examples: EN55014 certified RAC03-05SER/277 3 Watt 5Vout Single Output cardboard box RAC03-12SER/277 3 Watt 12Vout Single Output cardboard box RAC03-05SER/277-TRAY 3 Watt 5Vout Single Output tray packaging www.recom-power.com REV.: 8/2018 PA-1RAC03-SER/277 AC/DC Converter Series Specifications (measured Ta= 25C, nom. Vin (115/230VAC), full load and after warm-up unless otherwise stated) BASIC CHARACTERISTICS Parameter Condition Min. Typ. Max. nom. Vin= 230VAC 85VAC 277VAC 305VAC (4) Input Voltage Range 120VDC 430VDC 115VAC 70mA Input Current 230VAC 45mA 115VAC 15A Inrush Current cold start at +25C 230VAC 30A No load Power Consumption 85-305VAC/ 47-440Hz 40mW Input Frequency Range AC Input 47Hz 440Hz (7) Minimum Load 10% Hold-up Time 115VAC 18ms Internal Operating Frequency 100% load at nominal Vin 55kHz 3.3Vout 250mVp-p (5) Output Ripple and Noise all others 200mVp-p Notes: Note4: No line derating required Note5: Ripple and Noise is the maximum peak-to-peak voltage value measured at the output with a 20MHz bandwidth, at rated line voltage at full load. And with a 47F low-ESR electrolytic capacitor in parallel with a 0.1F ceramic capacitor across output Efficiency vs. Load RAC03-05SER/277 100 90 80 70 60 50 40 30 115VAC 230VAC 20 277VAC 10 0 0 10 20 30 40 50 60 70 80 90 100 Output Load % REGULATIONS Parameter Condition Value 3.3Vout 4.0% typ. / 8.0% max. (6) Output Voltage Tolerance 5Vout 3.5% typ. / 5.0% max. 12, 24Vout 3.0% typ. / 4.0% max. Line Regulation low line to high line, full load 0.7% typ. / 1.0% max. 3.3Vout 5.5% typ. / 9.0% max. (7) Load Regulation 10% to 100% load 5Vout 5.0% typ. / 7.5% max. 12, 24Vout 4.0% typ. / 5.5% max. Notes: Note6: Includes initial voltage accuracy, thermal drift, line regulation and load regulation at rated input voltage and load conditions Note7: Operation below 10% load will not harm the converter, but specifications may not be met www.recom-power.com REV.: 8/2018 PA-2 Efficiency %