Description
12V2A/ 12V2.5A/ 12V3A/ 24V1A/ 24V1.5A 24W 36WUniversal Power Adapter, AC/DC Adapter, Switching Power Supply
1. ac/dc Adapter Specification : | Model.: | Output Voltage.: | Output Current.: | Watt (W) |
| MKE-1202000DEXD | 12.00V | 2.0A | 24.0W |
| MKE-1202500DEXD | 12.00V | 2.5A | 30.0W |
| MKE-1203000DEXD | 12.00V | 3.0A | 36.0W |
| MKE-2401000DEXD | 24.00V | 1.0A | 24.0W |
| MKE-2401500DEXD | 24.00V | 1.5A | 36.0W |
Product size : 70.5X42.5X36mm
Shell materia: 95ºC/ temperature resistance 95ºC
Remark:PC texture
All the color can be White of the Universal Power Adapter
2. SCOPE
The document detail the electrical, mechanical and environmental specifications of a SMPS,
the power supply provide 24W 36W continuous output power.
The power ac dc adapter shall meet the RoHS requirement.
2.1 Description :
SMPS Adaptor(Wall mount)
3. Input Characteristics of 24W ac/dc adapter
3.1 Input Voltage & Frequency:
The range of input voltage is from 90Vac to 264Vac single phase
| Type. | Minimum | Nominal | Maximum |
| Input Voltage. | 90Vac | 100Vac~240Vac | 264Vac |
| Input Frequency. | 47Hz | 60Hz/50Hz | 63Hz |
For example:12VDC 2A Power Adapter
3.2. Input AC Current/AC:
0.8Amax. @ 100-240Vac input & Full load
3.3. Inrush Current (cold start):
40Amax. @ 264Vac input
3.4. Average Efficiency:
86.20%min.@ Nominal input
3.5. Energy Consumption : ≤0.1W
4. Output Characteristics of 24W dc adaptor
4.1 Static Output Characteristics <Vo & R+N>
| Output | Rated Load | Output Range | R+N | Remark |
| Rate | Min. Load | Max. Load |
| +12V | 0.0A | 2.0A | 11.4V~12.6V | 120mVp-p | |
Ripple & Noise: Measurement is done by 20MHz bandwidth oscilloscope and the output paralleled a 0.1uF ceramic
capacitor and a 10uF electrolysis capacitor. (test under the condition of rated input and rated output)
4.2 Line/ Load Regulation:
| Output | Load Condition | Line Regulation | Load Regulation | Remark |
| Rate | Min. Load | Max. Load |
| +12V | 0.0A | 2.0A | +/-1% | +/-5% | |
4.3 Turn - on Delay Time
3S max. @ 100Vac to 240Vac input & Full load
4.4 Hold-up Time
10mS min. @ Full load &115Vac/60Hz input turn off at worst case
20mS min. @ Full load &230Vac/50Hz input turn off at worst case
4.5 Rise Time
20mS max. @ Rated load
4.6 Fall Time
20mS max. @ Full load
4.7 Output Overshoot / Undershoot
10% max. When the power on or off4.8 Output Load Transient Response
Output voltage within 11.4~12.6V for load step from 25% to 50% to 25%,50% to 75% to 50%
R/S: 0.25A/uS, Transient Response Recovery Time :200uS,Dynamic response overshoot 5%
5. Protection Requirements of 24W 12v 2a ac dc power adapter
5.1 Over Current Protection:
The output shall hiccup when the over currents applied to the output rail, and shall be self-recovery
when the fault condition is removed
5.2 Short Circuit Protection:
The input power shall decrease when the output rail short, the power supply shall no damage,
and shall be self-recovery when the fault condition is removed
6. Environment Requirements
6.1 Operating Temperature and Relative Humidity:
0ºC to +40ºC
10%RH to 90%RH
6.2 Storage Temperature and Relative Humidity:
-20ºC to +80ºC
5%RH to 95%RH non-condensing @ Sea level shall be low 2,000 meter
6.3 Vibration:
10 to 300Hz sweep at a constant acceleration of 1.0G(Breadth: 3.5mm) for 1Hour for each of the
perpendicular axes X, Y, Z
6.4 Drop in:
1 Corner, 3 Edges, 6 Surfaces, Height: 100cm, On the Boards plane, the plug can be bend, and
scratch, but the structure should not be damaged, and can work normally
7. Reliability Requirements
7.1 Burn-in:
The power supply shall be burn-in for 4 Hours under normal input and 80% rated load at 40ºC5ºC
8. EMI/EMS Standards/EMI/EMS
7.1 EMI Standards/EMI: EN55014
7.2 EMS Standards/EMS:
7-2-1 EN 61000-4-2,electrostatic discharge(ESD) requirement
7-2-2 EN 61000-4-3,radiated electromagnetic field susceptibility(rs)
7-2-3 EN 61000-4-4,electric fast transients(burst) immunity requirement
7-2-4 EN 61000-4-5,surge capability requirement
7-2-5 EN 61000-4-6, Induced radio frequency fields conducted disturbances immunity requirement
9. Safety Standards
9.1 Dielectric Strength(Hi-pot):
Primary to Secondary: 3000Vac / 10mAMax / 60 second
9.2 Leakage Current:
0.25mAmax. at 264Vac / 50Hz
9.3 Insulation Resistance:
50MΩ min. at primary to secondary add 500Vdc test voltage
9.4 Regulatory Standards :
| Type. | Country. | Standard. | State. | Note. |
| UL/cUL | USA/Canada | UL60950 | PASS | |
| FCC-EMC | USA/Canada | Part15 Class B | PASS | |
| CE/GS/CB | Europe | EN61558 | PASS | |
| CE-EMC | Europe | EN55014 | PASS | |
ISO9001:2008 system is fully implemented in our management. Our products have passed most of safety
approvals in the world, including UL, cUL, FCC, PSE, GS, CE, SAA, CCC, C-tick, CB, etc.
10. Lable of the power adapter :
PS: Sure we can print your brand in the lable .
11. DC Wire of Adapter :
UL2464 20AWG L=1.5m or 1.8m
OEM&ODM
12. About Merryking Factory :
13. Q &A
Q 1: How to get the samples ?
A 1: You only need tell us your output and requirement, and then we can send you free samples.
Q2 : When can I get the samples ?
A2 : 3~5 working days.
Q3: Do you have all certifications ?
A3 : Yes, we can send you by mail.
Contact: Ms. Carrie Cheung
Tel: +86 136 70146319
Complaint
