B6B-ZR-SM4-TF(LF)(SN) B6B-ZR-SM4-TF(LF)(SN)(P) B6B-ZR-SM4-TF(Z) B6BZRSM4TFLFSN B6B-ZR-SM4-TFT B6B-ZR-SM4-TFT (LF)(SN) B6B-ZR-SM4-TFT(LF)(SN) B6B-ZR-SM4-TFT(LF)(SN)(P) B6CH B6CK74AFG-5C00