输入电压：18-36Vdc,     标称电压: 24Vdc.
输出功率： 250W continuous.
输入连接方式: Positronic 47-pin PCIH47M400A1.
输出连接方式: Positronic 47-pin PCIH47M400A1.
输入电压变动率 Typ. 0.1%.
突波电流: Typ. 20A @ nominal 24Vdc.
负载变动率: Typ. ±2.0%.
输出涟波: Typ.1% Pk.-Pk. or 50mV,
绝缘强度: Meet IEC 60950-1
电磁传导: Meet EN 55022 / FCC Class B.
远端补偿: Available at VO1,VO2 & VO3.
支持热插拔
失电侦测: Available at [FAL#] pin.  N+1 复保: Installed with internal OR-ing diodes at
 LED指示: means valid input voltage.
电流分担：at VO1,2&3.
电源OK侦测: Available for all outputs.
过载保护：. Typical 120% max. load.
效率: Typ. 79 %.  工作温度: 0 to +50°C at full load
工作频率: 120K Hz.  with specified air flow.
电路拓扑: Forward circuit.  Deraes linearly to 50% at +70°C.
 安规标准： IEC 60950-1 Class-1     冷却方式: At least 16 cfm (500 lfm) moving air
产品结构：欧卡3U X 8HP X 160mm   
CompactPCI format.
功率密度: 4.58 Watts/ Cubic Inch.
HDC250P-24B-490(E)  : +5V / 25A ,+3.3V/ 20A ,+12V/ 5A,   -12V /0.5A,