Data Sheet

www.recom-power.com
REV.: 8/2018 PA-3
AC/DC Converter
Specifications (measured @ Ta= 25°C, nom. Vin (115/230VAC), full load and after warm-up unless otherwise stated)
RAC03-SER/277
Series
PROTECTIONS
Parameter Type Value
Short Circuit Protection (SCP) continuous, automatic recovery
Over Voltage Protection (OVP) zener diode clamp 105% - 150%
Over Current Limit 120% - 190%
Over Voltage Category OVCII
Isolation Voltage
I/P to O/P tested for 1 minute 3kVAC
Isolation Resistance 1GΩ min.
Leakage Current 85-305VAC, 47-440Hz 10µA max.
Notes:
Note8: Refer to local wiring regulations if input over-current protection is also required. Recommended fuse: slow blow type
FUSE
-V
out
+V
out
L N
ENVIRONMENTAL
Parameter Condition
Value
Operating Temperature Range
(9)
full load -40°C to +75°C
refer to derating graph -40°C to +85°C
Maximum Case Temperature +105°C
Thermal Impedance 9.5K/W typ.
Operating Humidity non-condensing 5% - 95% RH max.
MTBF according to MIL-HDBK-217F, G.B. +25°C
3554 x 10
3
hours
3219 x 10
3
hours
-40 -20 0 20 40 60 80 100 120
100
80
60
40
90
70
50
30
20
10
0
Output Load [%]
Ambient Temperature [°C]
75 85-25
3.3V and 5V
all other models
Derating Graph
-40 -20 0 20 40 60 80 100 120
100
80
60
40
90
70
50
30
20
10
0
Output Load [%]
Ambient Temperature [°C]
75 85
all models
@ 140-305VAC@ 85-140VAC
Notes:
Note9: At low input voltage (85-140VAC) and temperature below -25°C the RAC03-3.3SER/277 and RAC03-05SER/277, will not start