| Parameters | 
                                                                                                            
                                        | Mfr | EPCOS - TDK Electronics | 
                                                                        
                                        | Series | StandarD | 
                                                                        
                                        | Package | Bulk | 
                                                                        
                                        | Product Status | Active | 
                                                                        
                                        | Maximum AC Volts | 385 V | 
                                                                        
                                        | Maximum DC Volts | 505 V | 
                                                                        
                                        | Varistor Voltage (Min) | 558 V | 
                                                                        
                                        | Varistor Voltage (Typ) | 620 V | 
                                                                        
                                        | Varistor Voltage (Max) | 682 V | 
                                                                        
                                        | Current - Surge | 15 kA | 
                                                                        
                                        | Energy | 315J | 
                                                                        
                                        | Number of Circuits | 1 | 
                                                                        
                                        | Capacitance @ Frequency | 780 pF @ 1 kHz | 
                                                                        
                                        | Operating Temperature | -45°C ~ 105°C (TA) | 
                                                                        
                                        | Mounting Type | Through Hole | 
                                                                        
                                        | Package / Case | Disc 20mm | 
                                                                        
                                        | Base Product Number | B72220Q | 
                                                                        
                                        | RoHS Status | ROHS3 Compliant | 
                                                                        
                                        | Moisture Sensitivity Level (MSL) | Not Applicable | 
                                                                        
                                        | REACH Status | REACH Unaffected | 
                                                                        
                                        | ECCN | EAR99 | 
                                                                        
                                        | HTSUS | 8533.40.4000 | 
                                                                        
                                        | Standard Package | 200 | 
                                                                                                        
                            
                         
                                                620 V 15 kA Varistor 1 Circuit Through Hole Disc 20mm