Product Features | 
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◆Ultra-wide voltage input 85-264VAC (120-370VDC)
◆Output short circuit, over-temperature protection function
◆Small size, light weight
◆High efficiency, high power density,
◆Low power consumption, green and environmental protection
◆Industrial product technical design |
Application scope |
Power systems such as wireless network, telecommunications/data communications, power systems, industrial control systems, measurement instruments and instrumentation, and intelligent fields. It is suitable for designs such as large fluctuations in the input range, small power isolation, and small layout space, and to achieve modular product functions to improve product reliability. |
Product model |
model | Output voltage/Vo | Output current/Io | Efficiency (TYP) |
★EA40-S05 | 5V | 8A | 82% |
EA40-S12 | 12V | 3.3A | 85% |
EA40-S24 | 24V | 1.6A | 86% |
Note: ★For products under development. If you need other specifications and models, you can contact us directly. |
Input Features |
Input voltage range | 85-264Vac (120-370Vdc) |
Inrush current | 10A (TYP) @ 110Vac 20A (TYP) @ 230Vac |
External fuse (recommended value) | 3A/250V Slow-break Telecom Fuses |
Output Characteristics |
Output voltage regulation accuracy | ±2% |
Source effect | ±0.5% (typ) |
Load adjustment rate | ±1% (typ) |
Required load | >10% |
Output ripple + noise (peak-peak) | 100mV(typ) (20MHz Bandwidth) |
Short circuit protection | Can be short-circuited for a long time, self-recovery Continuous,/automatic resume |
Output overvoltage protection | ≥1.1 times |
General Features |
Temperature characteristics | Operating temperature
power derating
storage temperature
housing temperature | -40℃～+70℃
3.75% / ℃,
-40℃～+105℃
+90℃ max |
Power down time |
| 40ms(typ)/ at Vin:320Vdc |
humidity |
| 85%RH(max) |
Warm drift |
| 0.02%/℃ |
Switching frequency |
| 65kHz(typ) |
insulation | Input-Output | 3000Vac/1Min |
Leakage current |
| 0.3mA RMS typ. 230VAC/50Hz |
*Electromagnetic compatible electrostatic discharge
*Radio frequency radiation immunity
*Electric fast transient pulse group
*Surge | IEC/EN 61000-4-2 level 3 6kV/8kV
IEC/EN 61000-4-3
IEC/EN 61000-4-4 level 3 2 kV
IEC/EN 61000-4-5 level 3 1kV/2kV |
*Conductive/radiation |
| EN55022, level A |
Safety Level |
| CLASS Ⅰ |
Case grade |
| UL94V-0 |
Install |
| PCB |
MTBF |
| >200,000h @25℃ |
Note: 1. When marking the * test items, peripheral EMC recommended circuits need to be added;
2. Except for special instructions, the above data are measured under TA=25℃ and humidity <75%. |
Typical Applications |
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EMC recommended circuit 
Remark: 1. The output filter capacitors C1, C3, and C5 are electrolytic capacitors. It is recommended to use high-frequency and low-resistance electrolytic capacitors. Please refer to the technical specifications provided by each manufacturer for the capacity and current flowing. The capacitor withstand voltage drop rate is greater than 80%. C2, C4, and C6 remove high-frequency noise, it is recommended to take 0.1 F. TVS tubes are used to protect the later-stage circuit (when the module is abnormal), and it is recommended to use them. 2. NTC thermistor, model: 5D-9. 3. EMC recommended circuit parameters:
The MOV is a varistor, the recommended model is: 471KD10, which acts to protect the module from damage during lightning surges.
C7 is an X capacitor, and it is recommended to 0.1µF/275V; C8 and C9 are both Y capacitors, and it is recommended to 2200pF/400V; NF is a common mode inductor, and it is recommended to 10mH-30mH. |
Input voltage vs. load relationship diagram | Temperature and load relationship diagram |
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Appearance and size |
Unit: mm Tolerance: ±0.5mm
Dimension Description: |
mark | A | B | C | D | E | F | G | H |
size | 20 | 70 | 62 | 5.75 | twenty three | 48 | 23.5 | 4 |