
nidec dc12v0.63a (RTX4090-fan)
grabcad
这款风机的引线是六脚,以面向铜丝从左边算起,引线定义如下1脚 :+12V2脚 : +12V3脚 : PWM (频率5000HZ,调占空比就是调速) 4脚 : GND (电源和PWM的公共GND)5脚 : 不知道用途,估计是FG,悬空不接就可以6脚 : GND (电源和PWM的公共GND)风机的第一脚和第二脚是电源正极,第四脚和第六脚是GND,如果只接正负极,风机就以最高转速运转了。如果需要用PWM信号调速,那就在第三脚上输入PWM信号,PWM信号的负极也要并接在GND上,调占空比就是调速了。风机外径 :115.7mm风机高度 :15.6mm风机重量 :68克电压 : DC12V电流 :0.63A最高转速 :3300 RPM转向 : A款CW,B款CCW (风叶向上时)下面实测用PWM控制转速的数据,频率5000HZ,调占空比就是调转速:占空比 电流 转速10% 8 mA 48020% 23mA 94030% 48mA 132040% 86mA 168050% 135mA 198060% 195mA 226070% 265mA 254080% 350mA 280090% 445mA 303099% 560mA 3300
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