Features
Regulated
Converters
Description
0.25W max. No Load Power Consumption
Efficiency up to 83%
Isolated Output 3kVAC / 1 min
SCP, OVP, OCP(OLP) Protection
Wide Operating Temperature Range:
-40°C to +70°C with derating
• Universal Input 90-264VAC
•
•
•
•
•
AC/DC Converter
RAC20-N
20 Watt
Single
Output
3Y
wa
The RAC20-N series is a universal-input, board-mounting AC/DC module that delivers 20W in a
compact 2” x 1” footprint. The converter is pin-compatible with the RAC05-SC, RAC10-SC and
RAC20-SB models, offering a simple power upgrade or a cost-down option without requiring any PCB
changes.
3
EAR
rranty
Selection Guide
Part
Number
RAC20-3.3SN
RAC20-05SN
RAC20-12SN
RAC20-15SN
RAC20-24SN
nom. Input
Voltage
[VAC]
115/230
115/230
115/230
115/230
115/230
Output
Voltage
[VDC]
3.3
5
12
15
24
Output
Current
[mA]
3600
3600
1660
1330
833
Efficiency
typ.
[%]
73
78
82
83
83
Max. Capacitive Output
Load
Power max.
[µF]
[W]
5000
12
5000
18
1500
20
1000
20
470
20
Specifications
(measured @ ta= 25°C, nominal input voltage, full load and after warm-up)
BASIC CHARACTERISTICS
Parameter
Input Voltage Range
Input Current
Inrush Current
No load Power Consumption
Input Frequency Range
Hold-up time
Minimum Load
Output Ripple and Noise
(1)
20MHz BW
115VAC
230VAC
47Hz
10ms
50ms
0%
120mVp-p
115VAC
230VAC
115VAC
230VAC
Condition
Min.
90VAC
120VDC
Typ.
230VAC
Max.
264VAC
370VDC
385mA
250mA
20A
40A
0.25W
440Hz
E196683
UL60950-1 Certified
CSA C22.2 No. 60950-1-07 Certified
IEC/EN60950-1 Certified
EN55022 Compliant
EN55024 Compliant
Notes:
Note1: Measurement made with a 100nF and 47µF capacitor across output.
REGULATIONS
Parameter
Output Voltage Accuracy
Line Voltage Regulation
Load Voltage Regulation
low line to high line
5% to100% load
Condition
Value
±2% typ.
±0.5% typ.
±1% typ.
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REV.: 1/2016
PA-1
RAC20-N
AC/DC Converter
Specifications
(measured @ ta= 25°C, nominal input voltage, full load and after warm-up)
PROTECTIONS
Parameter
Short Circuit Protection (SCP)
Over Voltage Protection (OVP)
Over Power Protection (OPP)
Isolation Voltage
Series
Type
Hiccup mode
Zener Diode Clamp
Hiccup mode
Value
auto recovery
110% - 140%
auto recovery
I/P to
3kVAC
Protection Circuit for AC/DC Components
O/P
(RAC‘s) + >230VAC operation (277VAC)
/ 1 Minute
Protection Circuit
L N
FUSE
U
Notes:
Note2:
Note3:
An external input fuse is recommended: T2A slow blow type.
An external MOV is recommended. The Varistor should comply with IEC-61051-2. e.g.14S471K
ENVIRONMENTAL
Parameter
Operating Temperature Range
Maximum Case Temperature
Temperature Coefficient
Humidity
MTBF
non-condensing
MIL-HDBK-217F, +25°C
Condition
with derating (see graph)
Value
-40°C to +70°C
+80°C
±0.05%/°C
95%, RH max.
400 x 10
3
hours
Derating Graph
100
80
Output Power [%]
60
40
25
20
0
-40
115V-230VAC 3.3V and 5V
115V-230VAC other models
Vin at others: 3.3V and 5V
Vin at others: other models
-20
-25
0
10
20
30
Ambient Temperature [°C]
PA-2
REV.: 1/2016
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40
50
38 45
35
60
70
80
RAC20-N
AC/DC Converter
Specifications
(measured @ ta= 25°C, nominal input voltage, full load and after warm-up)
SAFETY AND CERTIFICATIONS
Certificate Type (Safety)
Information Technology Equipment - General Requirments for Safety
Series
Report / File Number
Standard
IEC/EN60950-1, 2nd Edition, 2013
LVD1605075
E196683
Condition
UL60950-1
CSA C22.2 No. 60950-1-07
EMC Compliance
Information technology equipment - Radio disturbance characteristics - Limits and methods of measurement
Information technology equipment - Immunity characteristics - Limits and methods of measurement
Limits for harmonic current emissions
Limitation of voltage fluctuations/flicker in low-voltage systems
ESD Electrostatic discharge immunity test
Radiated, radio-frequency, electromagnetic field immunity test
Fast Transient and Burst Immunity
Surge Immunity
Immunity to conducted disturbances, induced by radio-frequency fields
Power Magnetic Field Immunity
Voltage Dips and Interuptions
Standard / Criterion
EN55022, 2011 Class B
EN55024, 2010
IEC61000-3-2, 2014
IEC61000-3-3, 2013
±8kV Air Discharge,
±4kV Contact Discharge
3V/m
±1kV
±2kV
3V
1A/m
>95%
30%
IEC61000-4-2, Criteria A
IEC61000-4-3, Criteria A
IEC61000-4-4, Criteria A
IEC61000-4-5, Criteria A
IEC61000-4-6, Criteria A
IEC61000-4-8, Criteria A
IEC61000-4-11, Criteria B
IEC61000-4-11, Criteria A
DIMENSION and PHYSICAL CHARACTERISTICS
Parameter
Material
Package Dimension (LxWxH)
Package Weight
Type
Case
Potting
Value
plastic resin (UL94V-0)
silicone (UL94V-0)
52.5 x 27.5 x 23.5mm
62g typ.
Dimension Drawing (mm)
10.0
20.0
tc
27.5
52.5
3.0
M3
45.70
Ø 1.0
continued on next page
8.0
23.5
Ø1.2 +0.2/-0.1
PA-3
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REV.: 1/2016
.6
2
2.54
RAC20-N
Series
Recommended Footprint Details
AC/DC Converter
3.0
Dimension Drawing (mm)
Specifications
(measured @ ta= 25°C, nominal input voltage, full load and after warm-up)
M3
45.70
Ø 1.0
8.0
23.5
Ø1.2 +0.2/-0.1
FC 22.6
2
Bottom View
.0
Ø4
1
3.40
3
FC 38.5
3.60
10.15
20.3
4
2.54
Top View
2.54
Pin Connections
Pin #
1
2
3
4
Single
VAC in (L)
VAC in (N)
+VDC out
-VDC out
Tc= case temperature measuring point
FC= fixing center
Recommended tightening tourge= 1.21Nm max. (12kgf.cm)
Tolerance:
xx.x= ±0.5mm
xx.xx= ±0.35mm
Pin width:
±0.05mm
PACKAGING INFORMATION
Parameter
Packaging Dimension (LxWxH)
Packaging Quantity
Storage Temperature Range
Type
cardboard box
Value
260.0 x 70.0 x 42.0mm
8 pcs
-40°C to +85°C
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-4
REV.: 1/2016
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