WR12D12

The WR12D12 is one member of the WR family which is designed as the WR12D12 that accepts a wide input voltage range of 9 to 18VDC, 18 to 36VDC, and 36 to 72VDC. Also this device incorporates six sided continuous EMI/RFI shielding and a 100kHz switching regulator produces
operating efficiencies as high as 86% with output loads as light as 25% of full load.

Features of the WR12D12 are:(1)30 Watts output power; (2)UL approved (48V input models); (3)2:1 input range; (4)Efficiency to 86%; (5)Isolated outputs. And the output specifications of the WR12D12 can be summarized as:(1)Voltage accuracy: ±1.0%;(2)Voltage accuracy: ±1.0%;(3)Remote sense: Yes;(4)Line regulation: ±0.2%, max.;(5)Voltage balance: ±2.0%;(6)Ripple and noise: 75mV pk-pk 10mV rms, max.;(7)Transient response: ±1.0% error band 500us rec.;(8)Temperature coefficient: ±0.02%/°C, max.;(9)Short circuit protection: Continuous automatic recovery.

The environmental specifications of this device can be summarized as:(1)Relative humidity: 5% to 95% RH;(2)Altitude (Operating): 10,000 feet max.;(3)Altitude (Non operating): 40,000 feet max.;(4)Vibration, Pressure: 2.5G rms (approx.). If you want to know more information about it, please download the datasheet in www.seekic.com or www.chinaicmart.com .