Name: UL AC DC Adaptor 12v 3a power adapter class 2 transformer
Brand: SMARTS
Availability: InStock

Product Details

UL AC DC Adaptor 12v 3a power adapter class 2 transformer

Product Description

model	output voltage	Current	power	Tol.	R&N	Effi.
SMT-012-030VP	12V	2.5A	30W	±3%	80mV	>82%
SMT-024-030VP	24V	1.25A	30W	±2%	180mV	>82%

2. INPUT REQUIREMENTS:

2.1 Operating range: 90-264VAC

2.2 Rated Input Voltage :100-240VAC

2.3 Input Frequency Range: 50/60Hz +/-3Hz

2.4 Input In-rush Current: 30A max

2.5 Input Current: 0.35A max

3.OUTPUT REQUIREMENTS:

3.1 Output Voltage and Current

Output	Output Regulation(V)		No Load	Rating Load (A)
Voltage(V)	Minimum	Maximum	Current(A)	Continuous Current(A)
12V	11.4V	12.6V	0A	3.0A

3.2 Output Voltage Regulation

The total output voltage regulation shall be +/-5%,including the effects of line voltage variations,load current,ripple and noise,and the AC component of the load current.

4. EFFICIENCY:

When 120VAC line input voltage (100-240VAC),the efficiency shall be >82% at rating load.

5. DIELECTRIC STRENGTH (Hi-Pot) TEST:

Finished product withstands with AC 3000Vrms/50Hz,5mA max,

primary to secondary, 1 minute for type test,1 second for production test.

6. INSULATION RESISTANCE:

Primary to secondary: 10MΩ min at 500VDC.

7. PROTECTION:

7.1 Short Circuit Protection

If short circuit occurs,all the output should be protected. After the fault, the adapter automatically recovers.

7.2 Over Shoot

The Output over shoot at turn-on shall not exceed 10% of normal voltage value with or without the load connected.

7.3 Start-up time

The start-up time is less than 2 second.

8.ENVIRONMENTAL CONDITIONS:

8.1 Temperature

Operating temperature: 0℃ to +40℃

Storage temperature : -20℃ to +60℃

8.2 Humidity

Relative humidity:≤95%

8.3 Operating Ambient Altitude

Altitude:0-3000m

8.4 Operating at the lower temperature

At -0℃,with the rated voltage 100-240Vac charged to the primary and unloaded and full load on the secondary 8 hours, no abnormality in electric and mechanical characteristic, after 2 hours recovery at the room temperature.

8.5 Operating at the high temperature

At +40℃,with the rated voltage 100-240Vac charged to the primary and unloaded and full Load on the secondary 8 hours, no abnormality in electric and mechanical characteristic, after 2 hours recovery at the room temperature.

9. COOLING:

Cooling shall be with natural convection cooling.

10.Burn-in

The burn-in test will be performed at least 4 hours at centigrade

degrees under full load Condition.

11.Referenced standard:

11.1 EMI Standards

Reference EN50082-1,EN55022-B,GB-17625.1-2003, GB-9254-1998

11.2 Safety Standards

The adapter shall be meet certified with the following safety standards.

UL61347-1,EN61347-1,GB4943-2001

12. MOUNTING CONNECTORS:

12.1 DC Output Cable

Wire : (Optional) SPT-1 20AWG*2C L=1200mm Color: Black

Plug : (Optional) 5.5*2.1*10mm

13. MECHANICAL FEATURES:

13.1 Dimension(Size)

Length: 116mm

Width: 49mm

Height: 35mm

13.2 Weight

The Power Supply unit : 206±10g

13.3 Vibration and shock

No Evidence of any mechanical or functional damage after the vibration and shock testing.

Test conditions		Acceptance Criteria
Frequency	10-55Hz	Nominal functional test should be satisfied after the test
Sweep	For each axis(X,Y,Z)
Displacement	0.15mm
Periodicity	10

13.4 Drop test

After Dropping from a hight of 75 cm onto a wooden floor , Dropping at 6 sides totally, NO breakage should be happened in the test piece.

13.5 Bending Test

Fix the power supply and its plug, apply a load of 200g to the other end, turn the cable by +/-60℃ carry out this process 1000 times, at the rate of 20 times per minutes. No abnormality in mechanical and electrical Characteristic and disconnection within 30% after the test.

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