19V 300MA AC DC Power Supply Adapter characteristics 

19V 300MA power Adapter 19V 0.3A AC/DC Adapter Power Supply.Built-in protection IC control circuit,19V 300MA 0.3A Switch Ac/dc Power Adapter,Input voltage range that complies with the global using standard.have over-voltage and over current protection fuction .

19V 0.3A Switching Power Supply AC Adapter Technical parameters

Output voltage : 19V
Output current : 300MA
Input voltage Range : 100～240Vac
Input voltage frequency : 50～60Hz
Output voltage regulation : 5%
Hi-pot test> : 3KV , 10mA , 5S
Ripple and noise ( mVp-p ) : < : 1% of output voltage
Variation voltage : 90～264V
Variation Frequency : 47～63 Hz
operation temperature : -20℃ ～ +45℃ , 5% - 90%RH
storage temperature : －25℃ ～ +85℃ , 5% - 95%RH
Protection : OCP , OVP , SCP and OPP
Burn-In Test : Full Load with 4 hours at 40 ± 5℃
Output connector : USB or DC Plug
DC Jack ( Plug ) : According to customer requirements
M.T.B.F.: 30000 HOURS Min ; 25℃ SEE CONDITION
COOLING : SHOULD OPERATE WITHOUT FAN
Protection : over voltage protection short circu ited protection over power protection
Leakage current : 0.25 mA MAX 264V AC
Standby power dissipation : Less than 0.1W ( Energy Efficiency Level Ⅵ ) ; Less than 0.3W ( Energy Efficiency Level Ⅴ )
Operation model : constant voltage

19V 0.3A Switching Power Supply AC Adapter Safety certification

KC,RCM,CB,UL,TUV,CCC,BSMI,SAA,PSE,CE,FCC,C-TICK,etc.Meet all related safety standard,Ultra low no-load/standby power consumption,meet CEC V,CEC,MEPS,ERP,CoC V5,DoE Ⅵ,ROHS,green power requirements

19V 300MA AC DC Power Supply Adapter Plug type

EU,UK,AU,CN,US,KC,JPN,Taiwan,VDE plug,etc.

① Wall Adapter Power Supply Shell size： 62*39*26mm     ② interchangeable plug Adapter Power Supply Shell size ： 62*39*26mm