RAC20-05SB

• Compact AC-DC power supply 

## Features Regulated Converter 

• 20 Watt PCB mount package • Universal input voltage range • 3KVAC / 1 minute isolation • Low output ripple and noise 

• Short circuit protected • Anti-vibration mechanical fixing 

## Description 

Compact switching AC/DC power module for PCB, screw-terminal connection or DIN-rail mounting. The converter is pin compatible with the RAC05-SB, RAC10-SB and RAC20-SN models. A threaded insert is provided for additional mechanical fixing. 

## **AC/DC Converter** 

**RAC20-B** 

## **20 Watt Single Output** 

## - Consider RAC20 K series for new designs 

## Selection Guide 

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Part  Input  Output  Output  Efficiency  Max. Capacitive  Output<br>Number  Voltage Range  Voltage  Current  typ. [(1)] Load  Power max.<br>RAC20-3.3SB NOT RECOMMENDED [ (2)] 90 - 264 [VAC] [VDC3.3 ] 3600 [mA] [74 %] 4500 [µF] 11.9 [W]<br>RAC20-05SB [  (2)] 90 - 264  5  3600  78  3500  18<br>RAC20-12SB [ (2)] 90 - 264  12  1660  82  1800  20<br>—  — FOR<br>RAC20-15SB [ (2)] 90 - 264  15  1330  83  1500  20<br>RAC20-24SB [ (2)] 90 - 264  NEW DESIGNS 24  833  83  1200  20<br>**----- End of picture text -----**<br>


## Notes: 

Note1: Efficiency is tested at nominal input and full load at +25°C ambient 

## Model Numbering 

EN60950-1 certified EN55032 compliant EN55024 compliant 

RAC20-__ SBnom. Output Power Connection[(2)] Output Voltage **S** ingle 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 

REV.: 1/2019 

PA-1 

**www.recom-power.com** 

## **RAC20-B** 

> **AC/DC Converter Series** Specifications (measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated) BASIC CHARACTERISTICS Parameter Condition Min. Typ. Max. nom. Vin = 230VAC 90VAC 230VAC 264VAC Input Voltage Range[ (3)] 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 Noise (3.3Vout, 5Vout) 75mVp-p Output Ripple and Noise[(4)] 20MHz BW Ripple (3.3Vout, 5Vout) 120mVp-p Ripple and Noise (Others) 1.0% Vout Notes: Note3:  The products were submitted for safety files at AC-Input operation Note4:  Measurements are made with a 0.1µF and 47µF MLCC across output (low ESR) REGULATIONS ~~=a~~ Parameter Condition Value Output Accuracy ±2.0% max. Line Regulation low line to high line, full load ±0.5% typ. Load Regulation[(5)] 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)|||||Hiccupmode, auto recovery|
|Over Voltage Protection(OVP)|||||zener diode clamp|
|Over Voltage Category|||||OVC II|
|Isolation Voltage(6)|I/P to O/P|||tested for 1 minute|3kVAC|
|Isolation Resistance|||||100MΩmin.|
|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 

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L N<br>F VACin (L) +Vout +Vout<br>U<br>VACin(N) -Vout -Vout<br>**----- End of picture text -----**<br>


REV.:  1/2019 

PA-2 

**www.recom-power.com** 

**AC/DC Converter** 

**Series** 

## **RAC20-B** 

~~|~~ Specifications (measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated) ENVIRONMENTAL ~~|~~ Parameter Condition Value ~~aD~~ full load (3.3V, 5V) -40°C to +38°C Operating Temperature Range @ natural convection 0.1m/s full load (others) -40°C to +45°C ~~ee~~ refer to derating graph -40°C to +70°C ~~——_————eG~~ Temperature Coefficient ~~eee~~ ±0.02%/K typ. ~~eG~~ Operating Humidity non-condensing 95% RH max. ~~De~~ MTBF according to MIL-HDBK-217F, G.B. +25°C >400 x 10[3] hours 

Derating Graph (@ Chamber and natural convection 0.1m/s) 

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100<br>90 CPP<br>80<br>Pt TT ET [aT]<br>70 PEEE<br>60<br>Pt TT ET A<br>50<br>PET EE ey<br>40<br>PPT EE TT tT AT<br>30 PtEEE<br>25<br>20<br>10 EPrE Others ey Fy<br>3.3V and 5V<br>0<br>-40 PEL. -30 -20 -10 0 SoCo 10 20 EEE 30 40 50 60 70 80<br>38 45<br>Ambient Temperature [°C]<br>Output Load [%]<br>**----- End of picture text -----**<br>


|SAFETY AND CERTIFICATIONS|SAFETY AND CERTIFICATIONS|SAFETY AND CERTIFICATIONS|
|---|---|---|
|Certificate Type(Safety)|Report / File Number|Standard|
|Information TechnologyEquipment, General Requirements for Safety||EN60950-1:2006 + A2:2013|
|EAC Safetyof Low Voltage Equipment|RU-AT.49.09571|TP TC 004/2011|
|RoHS 2+||RoHS-2011/65/EU + AM-2015/863|
||||
|EMC Compliance|Condition|Standard / Criterion|
|Electromagnetic compatibilityof multimedia equipment – Emission Requirements||EN55032:2015, Class B|
|Information technology equipment - Immunity characteristics -<br>Limits and methods of measurement||EN55024:2010 + A1:2015|
|Limits for harmonic current emissions||EN61000-3-2: 2014|
|Limitation of voltage fluctuations/flicker in low-voltage systems||EN61000-3-3: 2013|



## DIMENSION AND PHYSICAL CHARACTERISTICS 

|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|
|---|---|---|
|Parameter|Type|Value|
|Material|case|epoxywith fibreglass(UL94V-0)|
|Dimension (LxWxH)|standard<br>with suffix “-ST”|52.5 x 27.5 x 23.5mm<br>96.0 x 53.9 x 29.1mm|
|Weight|standard<br>with suffix “-ST”|58g typ.<br>122gtyp.|
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REV.:  1/2019 

PA-3 

**www.recom-power.com** 

## **RAC20-B** 

## **AC/DC Converter** 

## **Series** 

Specifications (measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated) 

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Dimension Drawing (mm)<br>52.5<br>Pinning information<br>Pin # Single<br>M3<br>1 VAC in (N)<br>Ø1.00  [±0.10]<br>Eo 2 VAC in (L)<br>Recommended Footprint Details<br>45.70 2.54 3 +Vout<br>4 -Vout<br>2 1 3 recommended tightening tourgue=<br>Bottom View 1.21Nm max.<br>4 Top View FX= fixing centers<br>4<br>Tolerance:    xx.x= ±0.5mm<br>1 2<br>xx.xx= ±0.25mm<br>3<br>co<br>3.40 FC 38.50<br>Screw terminal information<br>Screw Terminal Module “ST” version<br># Single<br>4 x Ø3.5<br>1 NC<br>2 VAC in (N)<br>4 3 VAC in (L)<br>4 NC<br>1 5<br>5 +Vout<br>2 6<br>6 -Vout<br>3 7 7 NC<br>Fuse 8 8 NC<br>7.5mm Pitch<br>a<br>suitable wire: 24-12AWG (0.5-2.5mm²)<br>4.95 PO FC 86.1 wire stripping length: 7mm typ.<br>96.0 recommended tightening torque: 0.5Nm<br>NC = No Connection<br>FC = Fixing Centers<br>Tolerance:    xx.x= ±0.5mm<br>xx.xx= ±0.25mm<br>8 7 6 5 4<br>——<br>.a t s ob<br>removable DIN RAIL Mounting Bracket<br>Ø4.0<br>27.5<br>23.5<br>3.00<br>8.00<br>.54<br>2<br>FC 22.60 20.30<br>10.15<br>3.60<br>53.9<br>FC 46.0<br>953.<br>29.1<br>5.5<br>**----- End of picture text -----**<br>


REV.:  1/2019 

PA-4 

**www.recom-power.com** 

**RAC20-B Series** 

**AC/DC Converter** 

|PACKAGING INFORMATION|PACKAGING INFORMATION|PACKAGING INFORMATION|PACKAGING INFORMATION|
|---|---|---|---|
|Parameter|Type||Value|
|Packaging Dimension (LxWxH)|cardboard box|standard<br>with suffix “-ST”|260.0 x 70.0 x 42.0mm<br>119.0 x 64.0 x 54.0mm|
|Packaging Quantity|standard<br>with suffix “-ST”||8pcs<br>1pcs|
|Storage Temperature Range|||-40°C to +85°C|
|Storage Humidity|non-condensing||95% 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.:  1/2019 

PA-5 

**www.recom-power.com**