RD3.9S-T1 3.9V RD3.9S-T1(B1) RD3.9S-T1(B2) RD3.9S-T1-A RD3.9S-T1-A/JM RD3.9S-T1-A-B2 RD3.9S-T1-AT RD3.9S-T1-AT/JM RD3.9S-T1B2 RD3.9S-T1B-A-B1