300Watts AC-DC 3x5 Inch ITE Open Frame Power Supply
TES300A Series
Up to 300 W Force-Cooled Ratings
220 W Convection-Cooled
Low Profile 1.2" with 3"x 5"footprint
No Load Input Power <0.5 W
Efficiency up to 94%
12V Fan Output
Optional 5V Standby Output &Remote Control On/Off
EMI EN55032
ITE Safety Approval UL/IEC 60950-1 & UL/IEC/EN 62368-1
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Model information |
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Model |
Output Voltage |
Main Output (Current, Watt) |
12V Fan Output |
5V standby output |
Efficiency (Convection) |
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Convection |
Force-Cooled With 10CFM |
Convection |
Force-Cooled |
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TES300A12 |
12Vdc |
16.67A |
200W |
25A |
300W |
0.5A |
NA |
94% |
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TES300A24 |
24Vdc |
9.17A |
220W |
12.5A |
300W |
0.5A |
95% |
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TES300A48 |
48Vdc |
4.59A |
220W |
6.25A |
300W |
0.5A |
95% |
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TES300A12S |
12Vdc |
16.67A |
200W |
25A |
300W |
0.5A |
1A |
2A |
94% |
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TES300A24S |
24Vdc |
9.17A |
220W |
12.5A |
300W |
0.5A |
1A |
2A |
95% |
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TES300A48S |
48Vdc |
4.59A |
220W |
6.25A |
300W |
0.5A |
1A |
2A |
95% |
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INPUT |
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Characteristic |
Conditions |
Min |
Typ |
Max |
Units |
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Input Voltage |
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85 |
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264 |
VAC |
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Input Current |
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5 |
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A |
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Input Frequency |
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47 |
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63 |
Hz |
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Inrush Current |
At 230VAC, cold start@25degC |
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100 |
A |
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No Load Power |
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0.5 |
W |
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Power Factor |
At 230VAC, full load |
0.9 |
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OUTPUT |
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Characteristic |
Conditions |
Min |
Typ |
Max |
Units |
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Output Voltage |
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12/24/48 |
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VDC |
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Hold Up time |
At 115VAC |
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10 |
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ms |
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Line Regulation |
90VAC to 264VAC at full load |
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±0.5 |
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% |
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Load Regulation |
No load to full load |
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±1 |
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% |
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Transient Response |
Deviation with a 50%-75%-50% load change 1A/μs, recovering to <1% within 500μs |
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4 |
% |
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Ripple and Noise |
20 MHz bandwidth and 10 µF electrolytic capacitor in parallel with 0.1 µF ceramic capacitor. |
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1 |
% |
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STANDBY OUTPUT |
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Characteristic |
Conditions |
Min |
Typ |
Max |
Units |
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Line Regulation |
90VAC to 264VAC at full load |
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±1 |
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% |
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Load Regulation |
No load to full load |
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±1 |
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% |
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Ripple and Noise |
20 MHz bandwidth and 10 µF electrolytic capacitor in parallel with 0.1 µF ceramic capacitor. |
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1 |
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% |
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Remote On/Off |
Connect pin 3 of CN4 to pin 1 to turn main output off. Connect to pin 2 or leave open to turn main output on. |
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PROTECTIONS |
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Characteristic |
Conditions |
Min |
Typ |
Max |
Units |
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OverVoltage Protection |
Latch |
110 |
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140 |
% |
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OverCurrent 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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Note: All specifications are typical at 25℃ unless otherwise noted. |
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ENVIRONMENTAL |
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Characteristic |
Conditions |
Min |
Typ |
Max |
Units |
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Operating Temperature |
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-40 |
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70 |
°C |
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Storage Temperature |
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-40 |
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85 |
°C |
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Cooling |
Forced Cool with 10 CFM |
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Altitude |
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5000 |
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m |
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Humidity |
non-condensing |
5 |
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95 |
%RH |
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Vibration |
IEC68-2-6, 10-500 Hz, 2 g 10 mins /sweep. 60 mins for each of 3 axes |
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Shock |
IEC68-2-27, 30 g, 11 ms half sine, 3 times in each of 6 axes |
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SAFETY |
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Standard |
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UL/IEC/EN 62368-1 UL/IEC/EN 60950-1 |
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EMC |
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Characteristic |
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Standard |
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Conducted Emissions |
EN55032:2012 +AC:2013 (CISPR 32:2012), Class B |
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Radiated Emissions |
EN55032:2012 +AC:2013 (CISPR 32:2012), Class A; Add Ferrite core in input and output side for Class B |
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Harmonic Current emissions |
EN61000-3-2:2014, Class A |
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Voltage fluctuations & flicker |
EN61000-3-3:2013 |
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Electrostatic discharge |
IEC 61000-4-2:2008, Criteria A |
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RS(Radiated) |
IEC 61000-4-3:2010, Criteria A |
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Electrical fast transient/burst |
IEC 61000-4-4:2012, Criteria A |
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Surge |
IEC 61000-4-5:2014, Criteria A |
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Conducted Immunity |
IEC 61000-4-6:2013 |
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Magnetic Field |
IEC 61000-4-8:2009, Criteria A |
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Dip, >95% reduction |
IEC 61000-4-11:2004, Criteria A |
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Dip, 30% reduction |
IEC 61000-4-11:2004, Criteria A |
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Interruptions, >95% reduction |
IEC 61000-4-11:2004, Criteria C* |
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Note*: The EUT was stopped operating during the test, but it’s self-recoverable after test |
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Derating
Curves
Derating Curve vs. INPUT VOLTAGE
Forced cool with 10 CFM
Convection cool-TES30012 Convection cool-TES30024/48
Temperature Derating Curves
Forced cool with 10 CFM
Convection cool-TES30012 Convection cool-TES30024/48
Efficiency (against input voltage)
Mechanical
Drawing
TES300AXXS
TES300AXX
Note1: Mounting
holes marked with
must be connected to safety earth.
Note2: CN1-4 all mate with JST housing.
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Model information |
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||||||||
|
Model |
Output Voltage |
Main Output (Current, Watt) |
12V Fan Output |
5V standby output |
Efficiency (Convection) |
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Convection |
Force-Cooled With 10CFM |
Convection |
Force-Cooled |
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TES300A12 |
12Vdc |
16.67A |
200W |
25A |
300W |
0.5A |
NA |
94% |
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TES300A24 |
24Vdc |
9.17A |
220W |
12.5A |
300W |
0.5A |
95% |
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TES300A48 |
48Vdc |
4.59A |
220W |
6.25A |
300W |
0.5A |
95% |
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TES300A12S |
12Vdc |
16.67A |
200W |
25A |
300W |
0.5A |
1A |
2A |
94% |
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TES300A24S |
24Vdc |
9.17A |
220W |
12.5A |
300W |
0.5A |
1A |
2A |
95% |
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TES300A48S |
48Vdc |
4.59A |
220W |
6.25A |
300W |
0.5A |
1A |
2A |
95% |
The TES300A Series is designed to deliver reliable and efficient power performance with universal input capability. Offering 12V, 24V, and 48V output options, each model achieves 200–220W under convection cooling and up to 300W with force cooling (10CFM).
With efficiency up to 95%, the series supports 12V fan output (0.5A) and includes a 5V standby output (1A convection, 2A force-cooled for select models), providing additional flexibility for system design.
This makes the TES300A Series ideal for applications in industrial automation, test equipment, IPC, and telecom systems, where high efficiency, compact design, and reliable standby power are essential.
The TES300A Series delivers reliable performance in a compact 3x5 open frame design with a low profile of just 1.2 inches,
making it an excellent choice for space-constrained applications. Providing up to 300W with force cooling and 220W under convection cooling,
it ensures high flexibility for diverse system requirements.
With efficiency up to 94% and no-load input power below 0.5W, the TES300A Series is optimized for energy saving and reduced standby consumption.
Additional features include a 12V fan output, optional 5V standby output, and remote on/off control for enhanced system integration.
Designed to meet global compliance standards, it is fully certified with EMI EN55032 and ITE safety approvals
UL/IEC 60950-1 & UL/IEC/EN 62368-1, ensuring reliable and safe operation across industrial, test, IPC, and telecom applications.
