You may see a V1 suffix at the end of orderable part numbers on the original label of B72650 series varistors from EPCOS (TDK). Confirmed by TDK, this calls out the factory location and is just a manufacturer internal code.
Applicable part Numbers
B72650M0110K072
B72650M0110K072
B72650M0111K072
B72650M0111K072
B72650M0131K072
B72650M0131K072
B72650M0131K072
B72650M0131K093
B72650M0140K072
B72650M0140K072
B72650M0140K072
B72650M0140K093
B72650M0141K072
B72650M0141K072
B72650M0141K072
B72650M0141K093
B72650M0141K093
B72650M0151K072
B72650M0151K072
B72650M0151K072
B72650M0151K093
B72650M0151K093
B72650M0151K093
B72650M0170K072
B72650M0170K072
B72650M0170K072
B72650M0170K093
B72650M0171K072
B72650M0171K072
B72650M0171K072
B72650M0200K072
B72650M0200K072
B72650M0200K094
B72650M0231K072
B72650M0231K072
B72650M0231K093
B72650M0250K072
B72650M0250K072
B72650M0250K072
B72650M0250K093
B72650M0251K072
B72650M0251K072
B72650M0251K072
B72650M0251K093
B72650M0271K072
B72650M0271K072
B72650M0271K072
B72650M0271K093
B72650M0271K093
B72650M0271K093
B72650M0271K094
B72650M0300K072
B72650M0300K072
B72650M0300K072
B72650M0301K072
B72650M0301K072
B72650M0301K072
B72650M0301K093
B72650M0301K093
B72650M0301K093
B72650M0301K094
B72650M0350K072
B72650M0350K072
B72650M0350K072
B72650M0350K093
B72650M0400K072
B72650M0400K072
B72650M0500K072
B72650M0500K072
B72650M0500K072
B72650M0500K093
B72650M0600K072
B72650M0600K072
B72650M0600K072
B72650M0750K072
B72650M0750K072
B72650M0950K072
B72650M0950K072
B72650M1140K072
B72650M1140K072
B72650M1170K072
B72650M1170K072
B72650M1170K072
B72650M1170K093
B72650M1300K072
B72650M1300K072
B72650M1300K072
495-76472-2-ND
495-76472-1-ND
495-76473-2-ND
495-76473-1-ND
495-4429-2-ND
495-4429-1-ND
495-4429-6-ND
B72650M0131K093-ND
495-77006-2-ND
495-77006-1-ND
495-77006-6-ND
B72650M0140K093-ND
495-76474-2-ND
495-76474-1-ND
495-76474-6-ND
495-76475-2-ND
495-76475-1-ND
495-2387-2-ND
495-2387-1-ND
495-2387-6-ND
495-1463-2-ND
495-1463-1-ND
495-1463-6-ND
495-77433-2-ND
495-77433-1-ND
495-77433-6-ND
B72650M0170K093-ND
495-75942-2-ND
495-75942-1-ND
495-75942-6-ND
495-76476-2-ND
495-76476-1-ND
B72650M0200K094-ND
495-76477-2-ND
495-76477-1-ND
B72650M0231K093-ND
495-75991-2-ND
495-75991-1-ND
495-75991-6-ND
B72650M0250K093-ND
495-2606-2-ND
495-2606-1-ND
495-2606-6-ND
B72650M0251K093-ND
495-2388-2-ND
495-2388-1-ND
495-2388-6-ND
495-1464-2-ND
495-1464-1-ND
495-1464-6-ND
B72650M0271K094-ND
495-75321-2-ND
495-75321-1-ND
495-75321-6-ND
495-2389-2-ND
495-2389-1-ND
495-2389-6-ND
495-1465-2-ND
495-1465-1-ND
495-1465-6-ND
B72650M0301K094-ND
495-75322-2-ND
495-75322-1-ND
495-75322-6-ND
B72650M0350K093-ND
495-76478-2-ND
495-76478-1-ND
495-75992-2-ND
495-75992-1-ND
495-75992-6-ND
B72650M0500K093-ND
495-2607-2-ND
495-2607-1-ND
495-2607-6-ND
495-76479-2-ND
495-76479-1-ND
495-76480-2-ND
495-76480-1-ND
495-76481-2-ND
495-76481-1-ND
495-77426-2-ND
495-77426-1-ND
495-77426-6-ND
B72650M1170K093-ND
495-77427-2-ND
495-77427-1-ND
495-77427-6-ND