• 40mW max. No Load Power Consumption
• High Efficiency up to 76%
• Isolated Output 3kVAC / 1 min
• SCP, OVP Protection
Features
AC/DC Converter
Regulated
Converters
• Wide Operating Temperature Range:
-40°C to +85°C
• Universal Input 85-305VAC
RAC03-SER/277
3 Watt
Single
Description
3
The modules of the RAC03-SER/277 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.
Output
Selection Guide
Part
Number
nom. Input
Voltage Range
[VAC]
Output
Voltage
[VDC]
Output
Current
[mA]
Efficiency
typ.
Max. Capacitive
Load
[µF]
[%]
RAC03-3.3SER/277
RAC03-05SER/277
RAC03-12SER/277
RAC03-24SER/277
100-277
100-277
100-277
100-277
3.3
5
12
24
900
600
250
125
68
70
74
76
22000
7500
1000
200
Model Numbering
RAC03-__SER/277-_
Output Voltage
Packaging(1)
Ordering Examples:
RAC03-05SER/277-TRAY, Single Output, 5Vout and Tray Packaging
Notes:
Note1: add suffix “-TRAY” for Tray packaging, without suffix standard cardboard
box packaging.
E224736
Specifications (measured @ ta= 25°C, nominal input voltage (115/230VAC), full load and after warm-up)
EN55024 Certified
EN60950-1 Certified
UL60950-1 Certified
EN60335-1 Certified
BASIC CHARACTERISTICS
Parameter
Condition
Min.
Typ.
Max.
85VAC
120VDC
305VAC
430VDC
Input Voltage Range
115VAC
230VAC
70mA
45mA
Input Current
Inrush Current
cold start at 25°C, 115VAC
cold start at 25°C, 230VAC
15A
30A
No load Power Consumption
Input Frequency Range
Hold-up time
85-305VAC, 47-440Hz
AC Input
40mW
440Hz
47Hz
115VAC
18ms
Internal Operating Frequency
Minimum Load
100% load at nominal Vin
55kHz
10%
3.3 Vout
all others
250mVp-p
200mVp-p
Ripple & Noise(2)
Notes:
Note2: Ripple and Noise is the maximum peak-to-peak voltage value measured at the output with a
20MHz bandwidth, at rated line voltage at full load. And with a 47µF low-ESR electrolytic
capacitor in parallel with a 0.1µF ceramic capacitor across output.
continued on next page
www.recom-power.com
REV.: 6/2016
PA-1