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19V 4.74A Computer AC Adapter With Overheat Protection
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Product Details
Brand Name: | e.mini | Place of Origin: | China | Model Number: | E-19V4.74A-LR190047 |
Product Description
Certification:CE/RoHS
19V 4.74A Computer AC Adapter With Overheat Protection
19V4.74A Power Supplies, 19V Ac/Dc Adapter
Specification:
Model: |
E-Mini Adapter(19V4.74A)-LR190047 |
Type: |
ITX Power, DC-ITX Power Adapter, LCD, LED Display Adapter and Laptop Adapter |
Parameter: |
1, Standard round mouth output interface: 2.5mm inner diameters, 5.5mm outer diameter; 19V output voltage, 90W output power |
1 DESCRIPTION:
The purpose of the document is to specify the functional requirements of a 90W switching power supply.
2 NPUT CHARACTERISTICS:
2.1 Input Voltage:
Rated Voltage: 100~240Vac
Variation Range: 90-264Vac
2.2 Input Frequency:
Rated Frequency: 50/60Hz
Variation Frequency: 47-63Hz
2.3 Input Current:
2.0Amps max at any input voltage and rated, DC output rated load.
2.4Inrush Current:
120 Amps Max Cold start at 240Vac input, with rated load and 25℃ ambient
2.5 Ac Leakage Current:
0.75mA Max.At240Vac input.
3 OUTPUT CHARACTERISTICS:
3.1 Power output
Voltage |
Min. Load |
Rated. Load |
Stand by power |
Output power |
19Vdc |
0.01A |
4.74A |
0.5W Max |
90W |
3.2 Combined Load/Line Regulation
Voltage |
Min. Load |
Rated. Load |
Line Regulation |
Load Regulation |
19Vdc |
0.01A |
4.74A |
±1% |
±5% |
3.3 Ripple and Noise:
Under nominal voltage and nominal load, the ripple and noise are as follows when measure with Max Band width of 20MHz and Parallel 47uF/0.1uF, crossed connected at testing point.
Voltage Ripple and Noise (Max.)
+19Vdc 190mV p-p
3.4 Turn on delay time:
3Second Max at 115Vac input and output Max load
3.5 Rise time:
40 mS Max at 115Vac input and output Max load.
3.6 Hold up time:
5 mS Min at 115Vac input and output Max Load
3.7 Efficiency:
80% Min, At 115/230Vac input voltage,1/4,1/2,3/4 and full load calculation average efficiency.
4 PROTECTION FUNCTION:
4.1 Short circuit test:
The power supply will be auto recovered when short circuit faults remove.
4.2 Over current Protection:
The power supply will be auto recovered when over current faults remove.
4.3 Over Voltage Protection:
The power supply will auto recovered when faults remove 120%~170%.
5 ENVIRONMENTAL REQUIREMET:
5.1 Operating Temperature:
0℃ to 40℃, full load, normal operation
5.2 Storage Temperature:-20℃ to 80℃ With package
5.3 Relative Humidity:
5%(0℃)~90%(40℃)RH,72Hrs,Full load, Normal operating.
5.4 Vibration:
Operating: IEC 721-3-3 3M3
5~9Hz, A=1.5mm
(9~200Hz, Acceleration 5m/S2)
Transportation:
IEC 721-3-2 2M2
5-9Hz, A=3.5mm
9~200Hz, Acceleration=5m/S2
200~500Hz, Acceleration=15m/S2
Axes, 10 cycles per axis
No permanent damage may occur during testing.
The SAMPLE has to restore to its original situation after power off/on.
5.5 Dropping Packed:
1M for wall mount type and 760mm for desktop type as above described.
The horizontal surface consists of hardwood at least 13mm thick, mounted on two layers of ply
Contact Us
- Realan Computer Products
- Contact nameMs. Amy Ma
- Phone86-755-26996161
- Address4-5th floor, Bldg. 53, Block B of Tanglang Industrial Zone, Taoyuan Street Dongzhuang,Shandong
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