C4-K1.8RA-151 C4-K1.8RA-151M C4-K1.8RA-180 C4-K1.8RA-180M C4-K1.8RA-1R0 C4-K1.8RA-1R0N C4-K1.8RA-1R5 C4-K1.8RA-1R5N C4-K1.8RA-1R8 C4-K1.8RA-2.7UH