Features. Regulated Converter. RAC10-K/ Watt 2 x 1 Single and Dual Output RAC10- K/277. AC/DC Converter

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1 Features Regulated Converter Description Wide input range 85-35Vac Full load temperature range: -4 C to +65 C Ultra-high efficiency over entire load range No external components necessary International EMC compliant Lowest total cost of ownership 14% Peak load capability The RAC1-K/277 series are highly efficient PCB-Mount power conversion modules with ultra-low energy losses even in light load conditions. Built for worldwide usage, the AC/DC units cover an enhanced mains input range of 85Vac up to 35Vac and come with international safety certifications for both industrial and household standards. These AC/DC modules offer fully protected single or dual outputs as well as EMC class B compliance without the need of any external components. The 14% peak power capability makes the RAC1-K/277 series suitable for inductive, high start-up current or nonlinear loads. With a full load temperature range of -4 C to +65 C, they are ideal for always-on and standby mode operations in process automation, IoT and smart building applications. AC/DC Converter RAC1-K/277 1 Watt 2 x 1 Single and Dual Output 3 3 YEAR w a r r a n t y Selection Guide Part Input Output Output Efficiency Max. Capacitive Number Voltage Range Voltage Current typ. (1) Load [VAC] [VDC] [ma] [%] [µf] RAC1-3.3SK/ RAC1-5SK/ RAC1-12SK/ RAC1-15SK/ RAC1-24SK/ RAC1-12DK/ ±12 ±42 82 ±12 RAC1-15DK/ ±15 ±34 83 ±1 Notes: Note1: Efficiency is tested at 25 C with constant resistant mode at full load and 23VAC E49148 UL/IEC/EN certified UL695-1 certified IEC/EN695-1 certified IEC/EN certified CSA C22.2 No certified CSA C22.2 No certified EN62233 certified EN certified Model Numbering RAC1- K/277 Output Voltage Single or Dual Output REV.: 2/218 PA-1

2 Specifications Ta= 25 C, nominal input voltage (115/23VAC), full load and after warm-up) BASIC CHARACTERISTICS RAC1-K/277 Parameter Condition Min. Typ. Max. Internal Input Filter Input Voltage Range (2) Input Current (refer to line derating graph on PA-5) 23VAC 85VAC 12VDC Pi Type 35VAC 43VDC Inrush Current 23VAC.6A²s No load Power Consumption 15mW 25mW ErP Standby Mode Conformity (Output Load Capability) Input Power= Input Frequency Range 47Hz 63Hz Overload Capability peak duty cycle: 1%; TAMB +5 C max. 14%/1s Start-up Time Rise Time Hold-up time.5w 1.W 2.W 23VAC Minimum Load % Internal Operating Frequency Output Ripple and Noise Power Factor 2MHz BW 23VAC 3.3Vout, 5Vout others Notes: Note2: The products were submitted for safety files at AC-Input operation.6.5 3ms 15ms 9ms 6mVp-p.25A.21A.3W.7W 1.4W 25ms 1kHz 1% of Vout Efficiency vs. Load 1 RAC1-3.3SK/277 1 RAC1-5SK/ VAC VAC REV.: 2/218 PA-2

3 Specifications Ta= 25 C, nominal input voltage (115/23VAC), full load and after warm-up) Efficiency vs. Load RAC1-K/277 1 RAC1-12SK/277 1 RAC1-12DK/ VAC VAC RAC1-15SK/277 1 RAC1-24SK/ VAC VAC REGULATIONS Parameter Condition Value Output Accuracy ±1.% typ. Line Regulation low line to high line ±.5% typ. Load Regulation Transient Response 3.3, 5Vout -1% load others 25% load step change recovery time ±% typ. ±1.% typ. 4.% max. 5µs REV.: 2/218 PA-3

4 Specifications Ta= 25 C, nominal input voltage (115/23VAC), full load and after warm-up) RAC1-K/277 Accuracy vs Load RAC1-3.3SK/ RAC1-5SK/ RAC1-12SK/ RAC1-24SK/ PROTECTIONS Parameter Type Value Internal Input Fuse Short Circuit Protection (SCP) Over Voltage Protection (OVP) Over Load Protection (OLP) Over Voltage Category (OVC) ENVIRONMENTAL Parameter Condition Value Operating Temperature Range with derating (see graph) -4 C to +8 C Maximum Case Temperature Temperature Coefficient Operating Altitude +1 C ±.5%/ C Operating Humidity non-condensing 2% to 9% RH Design Lifetime /6Hz and full load at +25 C >194 x 1³ hours MTBF Pollution Degree Vibration according to MIL-HDBK- 217F, G.B. +25 C +65 C T2A, slow blow Hiccup, automatic restart 15% - 195%, Hiccup Mode 15% - 195%, Hiccup Mode Isolation Voltage tested for 1 minute 4kVAC Isolation Resistance I/P to O/P, Isolation Voltage 5VDC 1GW min. Isolation Capacitance I/P to O/P, 1kHz/.1V 1pF max. Insulation Grade Leakage Current REV.: 2/218 PA-4 OVC II reinforced.25ma max. 3m >45 x 1³ hours >28 x 1³ hours PD2 1-5Hz, 2G 1min./1cycle, period 6min. each along x,y,z axes

5 Specifications Ta= 25 C, nominal input voltage (115/23VAC), full load and after warm-up) RAC1-K/277 Line Derating (3) Derating Graph (@ Chamber and natural convection.1m/s) 1 1 Load [%] 9 Output Power [%] Input Voltage [VAC] Ambient Temperature [ C] Notes: Note3: No derating required for the specified DC-input range SAFETY AND CERTIFICATIONS Certificate Type (Safety) Report / File Number Standard Information Technology Equipment, General Requirements for Safety Audio/Video, information and communication technology equipment - Safety requirements E49148-A3 E UL695-1, 2nd Edition, 214 CAN/CSA C22.2 No , 2nd Ed. 214 UL , 2nd Edition, 214 CAN/CSA C22.2 Nr , 2nd Ed. 214 Information Technology Equipment, General Requirements for Safety (CB) E49148-A4-CB-1 IEC695-1:25, 2nd Edition + A2:213 Household and similar electrical appliances - Safety - Part 1: General requirements LCS CS IEC6335-1:21 + A2:216 + C1:216, 5th Edition EN6335-1:212 + A11:214 Information Technology Equipment, General Requirements for Safety (LVD) E49148-A4-CB-1 EN695-1:26 + A2:213 Audio/Video, information and communication technology equipment - Safety requirements (CB) Measurement methods for electromagnetic fields of household appliances and similar apparatus with regard to human exposure RoHS2+ 16BECS LCS CS IEC :214, 2nd Edition EN :214 + A11:217 EN62233:28 RoHS 211/65/EU + AM215/863 EMC Compliance Conditions Standard / Criterion Low-voltage power supplies DC output - Part 3: Electromagnetic compatibility Information technology equipment - Radio disturbance characteristics - Limits and methods of measurement ESD Electrostatic discharge immunity test Radiated, radio-frequency, electromagnetic field immunity test Fast Transient and Burst Immunity LCS AE Air: ±8, 4, 2kV Contact: ±4, 2kV 1V/m (8-1MHz) 3V/m GHz) 1V/m (2.-2.7GHz) AC In Port: ±2.kV DC Out Port: ±2.kV EN6124-3:2, Class B AS/NZS CSPR 22:29 + A1:21, Class B EN61-4-2:29, Criteria B EN61-4-3:26 + A2:21, Criteria A EN61-4-4:212, Criteria B REV.: 2/218 PA-5

6 Specifications Ta= 25 C, nominal input voltage (115/23VAC), full load and after warm-up) DIMENSION and PHYSICAL CHARACTERISTICS RAC1-K/277 EMC Compliance Conditions Standard / Criterion Surge Immunity AC In Port: ±1.kV L-PE, N-PE ±2.kV DC Out Port: ±.5kV EN61-4-5:214, Criteria B Immunity to conducted disturbances, induced by radio-frequency fields 1Vrms EN61-4-6:214, Criteria A Power Magnetic Field Immunity 5Hz, 1A/m EN61-4-8:21, Criteria A Voltage Dips Parameter Type Value Material Package Dimension (LxWxH) Package Weight Dimension Drawing (mm) 52.5 case potting PCB baseplate Voltage Dips 3% Voltage Dips 6% EN :24, Criteria B EN :24, Criteria C Voltage Interruptions >95% EN :24, Criteria C Voltage Fluctuations and Flicker in Public Low-Voltage Systems <=16A per phase EN61-3-3:213 black plastic (UL94V-) silicone (UL94V-) FR4 (UL94V-) plastic (UL94V-) 52.5 x 27.4 x 23.mm 65g typ. embossed logo Pin Connections Pin # Single Dual 1 VAC in (N) VAC in (N) 2 VAC in (L) VAC in (L) 3 No Pin -Vout 4 -Vout COM 5 +Vout +Vout Tolerance: xx.x= ±.5mm xx.xx= ±.25mm Ø / ± Bottom View Top View x2.54= REV.: 2/218 PA-6

7 Specifications Ta= 25 C, nominal input voltage (115/23VAC), full load and after warm-up) PACKAGING INFORMATION RAC1-K/277 Parameter Type Value Packaging Dimension (LxWxH) tube 49. x 56. x 4.mm Packaging Quantity Storage Temperature Range non-condensing -4 C to +85 C Storage Humidtiy 15pcs 2% to 9% RH The product information and specifications may be subject to changes even without prior written notice.the product has been designed for various applications; its suitability lies in the responsibility of each customer. The products are not authorized for use in safety-critical applications without RECOM s explicit written consent. A safety-critical application is an application where a failure may reasonably be expected to endanger or cause loss of life, inflict bodily harm or damage property. The applicant shall indemnify and hold harmless RECOM, its affiliated companies and its representatives against any damage claims in connection with the unauthorized use of RECOM products in such safety-critical applications. REV.: 2/218 PA-7