RK1-L2-5V-H41 RK1-L2-5V-H51 RK1-L2-6V RK1-L-3V RK1-L-5V RK1R-4.5 RK1R-4.5V（80411M) RK1R-4.5V-H52 RK1SK-39 RK1V106M6L007