POWERLINE● Compact AC-DC Power Supply● 20 Watt PCB Mount Package● Universal Input Voltage Range● 3000VAC Isolation● Low Output Ripple and Noise● Short Circuit Protected● Low Temperature Operation● Anti-Vibration Mechanical Fixing● CE MarkedFeatures
Regulated
Converters

AC/DC-Converterwith 3 year Warranty

20 WattSingle
OutputCompact switching AC/DC power module for PCB, screw-terminal
connection or DIN-rail mounting. The converter is pin compatible withthe RAC05-SB and RAC10-SB models. A threaded insert is provided foradditional mechanical fixing.

Description

Selection GuidePartNumber

InputRange(VAC)

OutputVoltage(VDC)

OutputCurrent(mA)

TypicalEfficiency(%)

Maximum
Power(W)Max.
Capacitive
Load

RAC20-3.3SB

90-264

3.3360074

11.9W

4500µF

RAC20-05SB

90-264

53600

78

18W

3500µF

RAC20-12SB

90-26412166082

20W

1800µF

RAC20-15SB

90-26415133083

20W

1500µF

RAC20-24SB

90-264

24833

83

20W

1200µF*add suffix "-ST” for screw terminal module e.g. RAC20-05SB-ST

Specifications (typical at 25°C and after warm up time unless otherwise specified )Input Voltage Range
Rated Power
Input Frequency Range (for AC Input)
Input Current (full load)
No Load Power Consumption
Inrush Current (<2ms)

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REV: 0/2015

RoHS

2011/65/EU
6/6

CE Marked

RAC20-B
Derating-Graph(Ambient Temperature)
125100
Output Power (%)

90-264VAC or 120-370VDC
20 Watts max.
47-440Hz
115VAC/230VAC
385mA / 250mA max.
115VAC/230VAC
470mW max.
115VAC
20A max.
230VAC
40A max.
Leakage Current
0.75mA max.
Output Voltage Accuracy (Full load)±2%
Line Voltage Regulation (low line, high line at full load)±0.5% typ.
Load Voltage Regulation ( 5% to 100% full load )±1% typ.
Output Ripple and Noise (2)Ripple (3.3V, 5V)
75mVp-p max.
Noise (3.3V, 5V)
120mVp-p max.
Others (Ripple and Noise)
1% Vout
Operating Frequency
100 - 130kHz typ.
Minimum Load
0%Isolation Voltage (input to output)
3000VAC min.
Temperature Coefficient±0.02%/°C typ.
Isolation Resistance
100 MΩ min.
Short Circuit Protection
Continuous, Automatic RestartOver Voltage Category
OVC II
Operating Temp. Range (Natural Convection, with derating)-40°C to +70°C
3.3V, 5V (no derating)-40°C to +40°C
Others (no derating)-40°C to +45°C
Storage Temperature Range-40°C to +85°C
Humidity
95% RH max.
Case Material
Epoxy with Fibreglass (UL94V-0)
Package Weight59g
Packing Quantity
5 pcs (-ST Version: 1 pc)
EMC
designed to meet EN 55022 Class B / EN 55024
MTBF (+25°C)
using MIL-HDBK-217F>250 x 103 hours
continued on next page

3.3V, 5V

Others7550

Natural Convection

250-40 -25 -10 0384560 70 80 90

Ambient Temperature Range (°C)

Refer to Application Notes
PA-47

RAC20-SBSeries

POWERLINE
AC/DC-Converter
Specifications (typical at 25°C and after warm up time unless otherwise specified )Notes:
Note 1: Ripple & Noise measured with 20MHz BW probe and 0.47µF capacitor in parallel across the outputs.
Note 2: Suggested input fuse rating 2A Slow Blow

Screw Terminal Module Option (suffix -ST)

29.1

5.5

Pin Connections
Pin #Removable DIN-Rail
Mounting Bracket

dia.3.5 x 445

1
RAC20-xxSB

2
367
8

Fuse

46.0
53.9

1NC

2VAC in (L)

3VAC in (N)

4NC

5+VDC out

6-VDC out

7NC8NCNC = No Connection

86.1
96.0

RAC20-B

Single Out

Standard Package Style and Pinning

52.5

27.5

23.50

Pin Connections
Pin #8.0
1.0

45.7

20.3

Recommended Footprint Details
13.75

231

Single Out

1VAC in (L)2

VAC in (N)

3+VDC out

4-VDC out
XX.X ± 0.5 mm
XX.XX ± 0.25 mm

10.15
Bottom View

44.85

10.15
114.02.54

Top View

410.1523
M3x0.5 Threaded Metal Insert.
Hole Depth = 3.1mm.
Max. Torque = 1.21Nm

2.54

1.2ø+0.2/0.1

The product information and specifications are subject to change without prior notice. RECOM products are not authorized for use in safety-critical applications (such as life support) without RECOM’s explicit
written consent. A safety-critical application is defined as an application where a failure of a RECOM product may reasonably be expected to endanger or cause loss of life, inflict bodily harm or damage property. The buyer
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.

PA-48

REV: 0/2015

www.recom-power.com