| Parameters | 
                                                                                                            
                                        | Mfr | Littelfuse Inc. | 
                                                                        
                                        | Series | SJ | 
                                                                        
                                        | Package | Tube | 
                                                                        
                                        | Product Status | Active | 
                                                                        
                                        | Voltage - Off State | 600 V | 
                                                                        
                                        | Voltage - Gate Trigger (Vgt) (Max) | 1.5 V | 
                                                                        
                                        | Current - Gate Trigger (Igt) (Max) | 6 mA | 
                                                                        
                                        | Voltage - On State (Vtm) (Max) | 1.6 V | 
                                                                        
                                        | Current - On State (It (AV)) (Max) | 16 A | 
                                                                        
                                        | Current - On State (It (RMS)) (Max) | 25 A | 
                                                                        
                                        | Current - Hold (Ih) (Max) | 15 mA | 
                                                                        
                                        | Current - Off State (Max) | 10 µA | 
                                                                        
                                        | Current - Non Rep. Surge 50, 60Hz (Itsm) | 300A, 350A | 
                                                                        
                                        | SCR Type | Standard Recovery | 
                                                                        
                                        | Operating Temperature | -40°C ~ 150°C (TJ) | 
                                                                        
                                        | Mounting Type | Through Hole | 
                                                                        
                                        | Package / Case | TO-220-3 | 
                                                                        
                                        | Supplier Device Package | TO-220AB | 
                                                                        
                                        | Base Product Number | SJ4025 | 
                                                                        
                                        | RoHS Status | ROHS3 Compliant | 
                                                                        
                                        | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                        
                                        | REACH Status | REACH Unaffected | 
                                                                        
                                        | ECCN | EAR99 | 
                                                                        
                                        | HTSUS | 8541.30.0080 | 
                                                                        
                                        | Other Names | -1024-SJ4025R1TP | 
                                                                        
                                        | Standard Package | 1,000 | 
                                                                                                        
                            
                         
                                                SCR 600 V 25 A Standard Recovery Through Hole TO-220AB