300W 2"x4" AC-DC Open Frame Power Supply
AIC300 Series
Offers 300W with forced cooling or 180W with convection cooling to fit various thermal designs
Features a 2"x4" (50.8 x 101.6 mm) compact size and high power density, ideal for space-constrained industrial ITE applications
Achieves high efficiency (up to 93.5%) and ultra-low no-load input power (<0.3W), supporting energy-efficient systems
Includes a dedicated 12V fan output
Designed to meet Class I & Class II standards, EN 55032 (Class B) EMI, and UL/IEC/EN 62368-1 ITE safety approvals
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Item |
Conditions |
Min |
Typ |
Max |
Unit |
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Input Voltage |
AC input DC input |
85 120 |
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264 370 |
VAC VDC |
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Input Current |
100VAC and Full Load |
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4 |
A |
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Input Frequency |
AC input |
47 |
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63 |
Hz |
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Inrush Current |
230VAC, cold start@25°C |
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60 |
A |
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No load Input Power |
without Fan |
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0.3 |
W |
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Power Factor |
115VAC, full load |
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0.99 |
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% |
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230VAC, full load |
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0.96 |
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% |
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Leakage Current |
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150 |
uA |
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OUTPUT |
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Item |
Conditions |
Min |
Typ |
Max |
Unit |
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Hold Up time |
At 115VAC to full load |
10 |
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Ms |
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Line Regulation |
90VAC to 264VAC at full load |
±0.5 |
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% |
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Load Regulation |
No load to full load |
±1 |
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% |
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Transient Response |
Deviation with a 50%-75%-50% load change 1A/us, recovering to <1% within 500μs |
3 |
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% |
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Ripple and Noise |
20 MHz bandwidth and 10 uF electrolytic capacitor in parallel with 0.1 uF ceramic capacitor |
1 |
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% |
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Fan Power |
Offer output power of 12V/0.5A without put voltage accuracy ±15% |
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PROTECTION |
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Item |
Conditions |
Min |
Typ |
Max |
Unit |
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Overvoltage Protection |
Latch |
110 |
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140 |
% |
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Over Current Protection |
based on 300W, Hiccup Mode |
120 |
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160 |
% |
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Short Circuit Protection |
Hiccup Mode, auto recovery |
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Over Temp Protection |
Hiccup Mode, auto recovery |
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ENVIRONMENTAL |
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Item |
Conditions |
Min |
Typ |
Max |
Unit |
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Operating Temperature |
With derating |
-40 |
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85 |
°C |
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Storage Temperature |
All Model |
-40 |
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85 |
°C |
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Altitude |
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5000 |
m |
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Humidity |
non-condensing |
5 |
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95 |
%RH |
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GENERAL |
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Conditions |
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Isolation Voltage |
Primary to Secondary |
4000 VAC |
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Primary to Earth |
2000 VAC |
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Secondary to Earth |
1500 VAC |
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Isolation Resistance |
I/P-O/P, I/P-FG, O/P-FG |
100M Ohms / 500VDC |
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Isolation Level |
Primary to Secondary |
2 x MOPP |
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Primary to Earth |
1 x MOPP |
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Secondary to Earth |
1 x MOPP |
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SAFETY |
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Standard |
Meets UL/IEC/EN 62368-1 ; meet EN/EN60601-1 ; CLASS I & CLASS II |
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MODEL SELECTION TABLE |
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Model Number |
output Voltage |
Output Current |
Efficiency |
Capacitive Load (max.) |
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Convection |
Force-cooled |
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AIC300-S12 |
12VDC |
15A |
180W |
25A |
300W |
92% |
20000 uF |
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AIC300-S24 |
24VDC |
7.5A |
180W |
12.5A |
300W |
93.5% |
2400 uF |
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AIC300-S48 |
48VDC |
3.75A |
180W |
6.25A |
300W |
93.5% |
650 uF |
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AIC300-S54 |
54VDC |
3.33A |
180W |
5.55A |
300W |
93.5% |
470 uF |
The AIC300 Series open-frame AC-DC power supply delivers up to 300W with forced air cooling and 180W under convection cooling, all within a compact 2 × 4 (50.8 x 101.6 mm) footprint, making it ideal for space-constrained embedded and industrial systems. With efficiency up to 93.5% and no-load input power below 0.3W, the AIC300 Series supports energy-saving designs and helps reduce standby power consumption.
Engineered for high power density, quiet operation, and flexible system integration, the AIC300 Series is a reliable power solution for industrial automation, test equipment, IPC, and telecommunications systems.
