19V 4.74A LAPTOP CHARGER

Shenzhen Hengfu Power Co.,Ltd is a professional manufacturer of AC DC Adapter, switching power supply,waterproof power supply with 11 years experience, that is a subsidiary of Taiwan Fuyuan Group found in 1991.Our products not only enjoy great popularity in the worldwide,but also sell well.All our products that we made completely meet safety requirement(UL,RoHS,PSE,GS,CE,FCC,CB,KC,SAA,CCC Approved).

AC Input Voltage.............100~240V AC 47~63 Hz

Inrush Current..............<50A(AC 240V  at 25°C)

input Current Limiting..............<2.5A(under min AC input and full load)

Efficiency..............>80%

DC Voltage Regulation

DC Output Current

Output Ripple & Noise............120mVp-p@25 °C

Output Dynamic Load Response

Overshoot at turn-on/ turn-off.............<10%

SCP...........<0.1 ohms

OCPlimits..........10A

Hold up time...........>5mS(100Vac/47Hz),>10mS(110/220Vacc/50/60Hz)

Start up time..........<3S(100Vac/47Hz),<2S(110/220Vac/50/60Hz)

Working temp...........0°C~ 40°C

Storage temp Range..........-10°C~ +85°C

Working humidity..........25%~90% relative humidity (Non- condensing)

Storage humidity Range..........10%~90% relative humidity (Non- condensing)

MTBF............ 50K hours (25°C , Full load and rated voltage input)

Standards............Meet IEC60950-1standard requirement

Leakage Current.............not exceed 0.25mA at 220Vac/50Hz

Insulation Resistance...........≥50MΩ ,500VDC

100%Hi-pot  test

 CERTIFICATION

50pcs/carton
dimension:50*44*20.5CM3