Features Regulated Converter Description 4mW max. no load power consumption High efficiency up to 76% Isolated output 3kVAC / 1 min SCP, OVP protection Wide operating temperature range: -4 C to +85 C Universal input 85-35VAC The modules of the series are regulated AC/DC converters with 3kVAC isolation and a 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 communication systems. AC/DC Converter 3 Watt Single Output Selection Guide Part Input Output Output Efficiency Max. Capacitive Number Voltage Range Voltage Current typ (1) Load (2) [VAC] [VDC] [ma] [%] [µf] RAC3-3.3SER/277-277 3.3 9 68 22 RAC3-5SER/277-277 5 6 7 75 RAC3-12SER/277-277 12 25 74 RAC3-24SER/277-277 24 125 76 2 Note1: Efficiency is tested at nominal input and full load at +25 C ambient Note2: Max Cap Load is tested at nominal input and full resisitive load Model Numbering nom. Output Power Output Voltage RAC3- SER/277-_ Packaging (3) Single E224736 Note3: add suffix -TRAY for Tray packaging, without suffix standard cardboard box packaging Ordering Examples: RAC3-5SER/277 3 Watt 5Vout Single Output cardboard box RAC3-12SER/277 3 Watt 12Vout Single Output cardboard box RAC3-5SER/277-TRAY 3 Watt 5Vout Single Output tray packaging UL695-1 certified CAN/CSA-22.2 No. 695 certified EN6335-1 certified IEC/EN695-1 certified CB Report EN5532 certified EN5524 certified EN5514 certified www.recom-power.com REV.: 7/218 PA-1
BASIC CHARACTERISTICS Parameter Condition Min. Typ. Max. Input Voltage Range (4) nom. Vin= 85VAC 12VDC Input Current Inrush Current cold start at +25 C 277VAC 7mA 45mA 35VAC 43VDC No load Power Consumption 85-35VAC/ 47-44Hz 4mW Input Frequency Range AC Input 47Hz 44Hz Minimum Load (7) % Hold-up Time 18ms Internal Operating Frequency % load at nominal Vin 55kHz Output Ripple and Noise (5) all others 25mVp-p 2mVp-p 15A 3A Note4: Note5: No line derating required Ripple and Noise is the maximum peak-to-peak voltage value measured at the output with a 2MHz bandwidth, at rated line voltage at full load. And with a 47µF low-esr electrolytic capacitor in parallel with a.1µf ceramic capacitor across output Efficiency vs. Load Efficiency [%] 9 8 7 6 5 4 3 2 RAC3-5SER/277 2 3 4 5 6 7 8 9 277VAC REGULATIONS Parameter Condition Value Output Voltage Tolerance (6) 5Vout 12, 24Vout ±4.% typ. / ±8.% max. ±3.5% typ. / ±5.% max. ±3.% typ. / ±4.% max. Line Regulation low line to high line, full load ±.7% typ. / ±1.% max. Load Regulation (7) % to % load 5Vout 12, 24Vout Note6: Includes initial voltage accuracy, thermal drift, line regulation and load regulation at rated input voltage and load conditions Note7: Operation below % load will not harm the converter, but specifications may not be met 5.5% typ. / 9.% max. 5.% typ. / 7.5% max. 4.% typ. / 5.5% max. www.recom-power.com REV.: 7/218 PA-2
PROTECTIONS Short Circuit Protection (SCP) continuous, automatic recovery Over Voltage Protection (OVP) zener diode clamp 5% - 15% Over Current Limit 12% - 19% Over Voltage Category Isolation Voltage I/P to O/P tested for 1 minute 3kVAC Isolation Resistance OVCII 1GΩ min. Leakage Current 85-35VAC, 47-44Hz µa max. Note8: Refer to local wiring regulations if input over-current protection is also required. Recommended fuse: slow blow type L N FUSE +V out -V out ENVIRONMENTAL Parameter Condition Value full load -4 C to +75 C Operating Temperature Range (9) refer to derating graph -4 C to +85 C Maximum Case Temperature Thermal Impedance +5 C 9.5K/W typ. Operating Humidity non-condensing 5% - 95% RH max. MTBF according to MIL-HDBK-217F, G.B. +25 C Derating Graph Note9: At low input voltage (85-14VAC) and temperature below -25 C the RAC3-3.3SER/277 and RAC3-5SER/277, will not start 3554 x 3 hours 3219 x 3 hours 9 8 7 6 5 4 3 2 @ 85-14VAC 3.3V and 5V all other models -4-2 -25 2 4 6 8 75 85 12 Ambient Temperature [ C] @ 14-35VAC 9 8 7 6 5 4 3 all models 2-4 -2 2 4 6 8 75 85 12 Ambient Temperature [ C] www.recom-power.com REV.: 7/218 PA-3
SAFETY AND CERTIFICATIONS Certificate Type (Safety) Report / File Number Standard Information Technology Equipment, General Requirements for Safety (CB Scheme) Information Technology Equipment, General Requirements for Safety L339L26-CB-1-B4 E224736-A24-UL IEC695-1:25 2nd Edition + A2:213 EN695-1:26 + A2:213 UL No. 695-1, 2nd Edition, 214 CAN/CSA-C22.2 No. 695-1-7, 2nd Edition, 214 Household and similar electrical appliances, General requirements L339L26-B2-L EN6335-1:212+A11:214 EAC Safety of Low Voltage Equipment RU-AT.37.2367 TP TC 4/211 RoHS2+ RoHS-211/65/EU + AM-215/863 EMC Compliance (Industrial) Condition Standard / Criterion Information technology equipment - Radio disturbance characteristics - Limits and methods of measurement Information technology equipment - Immunity characteristics - Limits and methods of measurement EN5532:215, Class B EN5524:2 ESD Electrostatic discharge immunity test ±8kV air, ±4kV contact EN6-4-2:29, Criteria B Radiated, radio-frequency, electromagnetic field immunity test 3V/m EN6-4-3:26 + A2:2, Criteria A Fast Transient and Burst Immunity AC Power Port: ±1kV EN6-4-4:212, Criteria A Power Magnetic Field Immunity 5Hz, 1A/m EN6-4-8:2, Criteria A Voltage Dips and Interruption Limits of Voltage Fluctuations & Flicker Voltage Dips: >95% reduction >3% reduction Interruption: >95% EN6-4-11:24, Criteria A EN6-4-11:24, Criteria A EN6-4-11:24, Criteria B EN6-3-3:213 EMC Compliance (Household) Condition Standard / Criterion Electromagnetic compatibility of multimedia equipment Emission Requirements Information technology equipment - Immunity characteristics - Limits and methods of measurement EN5514-1:26+A2:211 EN5514-2:215 ESD Electrostatic discharge immunity test ±8kV Air, ±4kV Contact IEC6-4-2:28, Criteria A Radiated, radio-frequency, electromagnetic field immunity test 3V/m IEC6-4-3:26 + A2:2, Criteria A Fast Transient and Burst Immunity Surge Immunity AC Power Port +/-1.kV DC Output +/-.5kV AC Power Port L-N +/-2kV DC Output L-N +/-1kV IEC6-4-4:212, Criteria A IEC6-4-5:214, Criteria B Immunity to conducted disturbances, induced by radio-frequency fields AC Power Port 3V, DC Output 3V IEC6-4-6:213, Criteria A Voltage Dips and Interruption Limits of Harmonic Current Emissions Limits of Voltage Fluctuations & Flicker Voltage Dips: >95% reduction >3% reduction Interruption: >95% IEC6-4-11:24, Criteria B IEC6-4-11:24, Criteria C IEC6-4-11:24, Criteria C EN6-3-2:214 EN6-3-3:213 DIMENSION AND PHYSICAL CHARACTERISTICS Material Dimension (LxWxH) Weight case potting continued on next page black plastic, (UL94V-) epoxy, (UL94V-) 5.3 x 5.3 x 11.mm 41g typ. www.recom-power.com REV.: 7/218 PA-4
Dimension Drawing (mm) Top View 6. N (Blue) L (Brown) 31.5 tc embossed logo V+ (Red) V- (Black) embossed logo max..1 height Wired information # Function Wire color Type AWG 1 VAC in (L) brown UL-15 22 2 VAC in (N) blue UL-15 22 3 +Vout red UL-143 22 4 -Vout black UL-143 22 tc= case temperature measuring point Tolerance: xx.x= ±.5mm xx.xx= ±.35mm 11. Ø2.4 Ø1.56 ±2 94. ±5 Ø.76 Ø.76 Bottom View 1 2 Ø 5.3 4 3 PACKAGING INFORMATION Packaging Dimension (LxWxH) cardboard box 195. x 17. x 14.mm Packaging Quantity 12pcs Storage Temperature Range -4 C to +85 C 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. www.recom-power.com REV.: 7/218 PA-5