!NOT RECOMMENDED FOR NEW DESIGNS!
• 0.25W maximum no load power consumption
Features
• Efficiency up to 83%
LAST TIME BUY: 30TH OCT 2020, 3.3VOUT VERSION ONLY
Regulated
Converter
Description
RAC
RAC20-N
20 Watt
Single
Output
YEA R
3
arrant
w
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.
AC/DC Converter
y
• Isolated output 3kVAC / 1 minute
• SCP, OVP, OCP(OLP) protection
• Wide operating temperature range
-40°C to +70°C with derating
• Universal input 90-264VAC
Selection Guide
M
CONVER
T
R
S
C
M
TS
TS
compliant
U
CO
D
IA N
T PRO
O
E
S
10 from 10
PL
C
REACH
compliant
CO
Part
Input
Output
Output
Efficiency Max. Capacitive Output
Number
Voltage Range Voltage
Current
typ. (1)
Load
Power max.
[VAC] [VDC] [mA] [%]
[µF] [W]
RAC20-3.3SN 90-264 3.3 3600 73
5000 12
T
RoHS 2 +
M
NRND (Last time buy: 30th Oct 2020)
C O N V ER
C
M
RE
O
R
C
E
Notes:
Note1: Efficiency is tested at nominal input and full load at +25°C ambient
RE
Part
Input
Output
Output
Efficiency Max. Capacitive Output
Number
Voltage Range Voltage
Current
typ. (1)
Load
Power max.
[VAC] [VDC] [mA] [%]
[µF] [W]
RAC20-05SN 90-264 5 3600 78 5000 18
RAC20-12SN 90-264 12 1660 82 1500 20
RAC20-15SN 90-264 15 1330 83 1000 20
RAC20-24SN 90-264 24 833 83 470 20
PL
U
D
IA N
T PRO
E196683
PREFERRED ALTERNATIVES
Please consider these alternatives:
Model Numbering
RAC20-K Series
RAC20-__ SN
Single
nom. Output Power
Output Voltage
Ordering Examples:
RAC20-05SN
20 Watt
RAC20-24SN
20 Watt
www.recom-power.com
5Vout
24Vout
UL60950-1 certified
CSA C22.2 No. 60950-1-07 certified
IEC/EN60950-1 certified
EN55032 compliant
EN55024 compliant
Single Output
Single Output
REV.: 4/2020
PA-1
! NOT RECOMMENDED FOR NEW DESIGNS !
LAST TIME BUY: 30TH OCT 2020, 3.3VOUT VERSION ONLY
RAC20-N
AC/DC Converter
Series
Specifications (measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated)
BASIC CHARACTERISTICS
Parameter
Condition
Input Voltage Range
(2)
Min.
Typ.
Max.
90VAC
120VDC
230VAC
264VAC
370VDC
115VAC
230VAC
Input Current
Inrush Current
385mA
250mA
115VAC
230VAC
2ms max., cold start
No load Power Consumption
20A
40A
115VAC/230VAC
Input Frequency Range
0.25W
AC Input
47Hz
Minimum Load
115VAC
230VAC
20MHz BW
Hold-up Time
Output Ripple and Noise
440Hz
0%
(3)
10ms
50ms
120mVp-p
Notes:
Note2: The products were submitted for safety files at AC-Input operation
Note3: Measurements are made with a 0.1µF and 47µF MLCC in parallel across output (low ESR)
REGULATIONS
Parameter
Condition
Value
Output Accuracy
±2.0% typ.
Line Regulation
low line to high line, full load
±0.5% typ.
5% to 100% load
1.0% typ.
Load Regulation (4)
Notes:
Note4: Operation below 5% load will not harm the converter, but specifications may not be met
PROTECTIONS
Parameter
Type
Value
Short Circuit Protection (SCP)
Hiccup mode, auto recovery
Over Voltage Protection (OVP)
110% - 140%, zener diode clamp
Over Current Protection (OLP)
Hiccup mode, auto recovery
Isolation Voltage
I/P to O/P
tested for 1 minute
3kVAC
Notes:
Note5: Refer to local safety regulations if input over-current protection is also required. Recommended fuse: slow blow type
Note6: An external MOV is recommended. The varistor should comply with IEC-61051-2. e.g. 14S471K series
Protection Circuit
L
N
F
VACin (L)
+Vout
VACin(N)
-Vout
+Vout
U
www.recom-power.com
REV.: 4/2020
-Vout
PA-2
! NOT RECOMMENDED FOR NEW DESIGNS !
LAST TIME BUY: 30TH OCT 2020, 3.3VOUT VERSION ONLY
RAC20-N
AC/DC Converter
Series
Specifications (measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated)
ENVIRONMENTAL
Parameter
Condition
Operating Temperature Range
@ natural convection 0.1m/s
Value
full load
-25°C to +35°C
refer to derating graph
-40°C to +70°C
Maximum Case Temperature
+80°C
Temperature Coefficient
±0.05%/K
Operating Humidity
non-condensing
MTBF
95% RH max.
according to MIL-HDBK-217F, G.B.
400 x 103 hours
+25°C
Derating Graph
(@ Chamber and natural convection 0.1m/s)
100
90
Output Load [%]
80
70
60
50
115V-230VAC 3.3V and 5V
115V-230VAC other models
Vin at others: 3.3V and 5V
Vin at others: other models
40
30
25
20
10
0
-40
-20
-25
0
10
20
30
40 50
3538 45
60
70
80
Ambient Temperature [°C]
SAFETY AND CERTIFICATIONS
Certificate Type (Safety)
Report / File Number
Information Technology Equipment, General Requirements for Safety
E196683
Standard
UL60950-1, 2nd Edition, 2007
CAN/CSA-C22.2 No. 60950-1-07, 2nd Edition, 2007
Information Technology Equipment, General Requirements for Safety (LVD)
SPCLVD1605075
EN60950-1:2006 + A2:2013
IEC60950-1:2005 2nd Edition + A2:2013
EAC Safety of Low Voltage Equipment
RU-AT.49.09571
TP TC 004/2011
RoHS2+
RoHS-2011/65/EU + AM-2015/863
EMC Compliance
Condition
Electromagnetic compatibility of multimedia equipment – Emission Requirements
Information technology equipment - Immunity characteristics 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
ESD Electrostatic discharge immunity test
EN61000-3-3, 2013
±8.0kV Air, ±4.0kV Contact
IEC61000-4-2, Criteria A
Radiated, radio-frequency, electromagnetic field immunity test
Fast Transient and Burst Immunity
Surge Immunity
Immunity to conducted disturbances, induced by radio-frequency fields
3V/m
IEC61000-4-3, Criteria A
AC Power Port: ±1.0kV
IEC61000-4-4, Criteria A
AC Power Port: ±1.0kV
DC Output: L-PE + N-PE ±2.0kV
IEC61000-4-5, Criteria A
AC Power Port: 3V
IEC61000-4-6, Criteria A
Power Magnetic Field Immunity
50Hz, 1A/m
Voltage Dips and Interruptions
Voltage Dips >95%
Voltage Dips 30%
Voltage Interruptions >95%
www.recom-power.com
Standard / Criterion
EN55032:2015, Class B
REV.: 4/2020
IEC61000-4-8, Criteria A
IEC61000-4-11:2004, Criteria A
IEC61000-4-11:2004, Criteria A
IEC61000-4-11:2004, Criteria C
PA-3
! NOT RECOMMENDED FOR NEW DESIGNS !
LAST TIME BUY: 30TH OCT 2020, 3.3VOUT VERSION ONLY
RAC20-N
AC/DC Converter
Series
Specifications (measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated)
DIMENSION AND PHYSICAL CHARACTERISTICS
Parameter
Type
Value
Material
case
potting
plastic resin (UL94V-0)
silicone (UL94V-0)
Dimension (LxWxH)
52.5 x 27.5 x 23.5mm
Weight
62g typ.
tc
Pinning information
27.5
20.0
10.0
Dimension Drawing (mm)
Pin #
1
2
3
4
27.5
recommended tightening tourgue= 1.21Nm max.
tc= case temperature measuring point
FC= fixing centers
Tolerance:
xx.x= ±0.5mm
xx.xx= ±0.35mm
Pin width:
±0.05mm
3.0
23.5
52.5
Single
VAC in (L)
VAC in (N)
+VDC out
-VDC out
M3
8.0
Ø1.0 ±0.1
Recommended Footprint Details
2.54
1
2
2.54
Bottom View
.0
Ø4
1
3.40
3
FC 38.5
Top View
20.3
10.15
4
3
4
2
3.60
FC 22.6
45.70
PACKAGING INFORMATION
Parameter
Packaging Dimension (LxWxH)
Type
cardboard box
Packaging Quantity
260.0 x 70.0 x 42.0mm
8pcs
Storage Temperature Range
Storage Humidity
Value
-40°C to +85°C
non-condensing
95% RH max.
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.: 4/2020
PA-4
