RS485通讯终端电阻1/2W1W0.5W 120欧姆220欧110R330欧500R250CAN 110Ω 50只1/2W 0点5W【图片 ...

RS485通讯终端电阻1/2W1W0.5W 120欧姆220欧110R330欧500R250CAN 110Ω 50只1/2W 0点5W【图片 ...