| Parameters | 
                                                                                                            
                                        | Current - Gate Trigger (Igt) (Max) | 50 mA | 
                                                                        
                                        | Current - Hold (Ih) (Max) | 80 mA | 
                                                                        
                                        | Configuration | Single | 
                                                                        
                                        | Operating Temperature | -40°C ~ 125°C (TJ) | 
                                                                        
                                        | Mounting Type | Through Hole | 
                                                                        
                                        | Package / Case | TO-218X-3 Isolated Tab | 
                                                                        
                                        | Supplier Device Package | TO-218X Isolated | 
                                                                        
                                        | Base Product Number | QK040 | 
                                                                        
                                        | RoHS Status | ROHS3 Compliant | 
                                                                        
                                        | REACH Status | REACH Unaffected | 
                                                                        
                                        | ECCN | EAR99 | 
                                                                        
                                        | HTSUS | 8541.30.0080 | 
                                                                        
                                        | Other Names | -1024-QK040J4TP | 
                                                                        
                                        | Standard Package | 250 | 
                                                                        
                                        | Mfr | Littelfuse Inc. | 
                                                                        
                                        | Series | Qxx40xx | 
                                                                        
                                        | Package | Tube | 
                                                                        
                                        | Product Status | Active | 
                                                                        
                                        | Triac Type | Standard | 
                                                                        
                                        | Voltage - Off State | 1 kV | 
                                                                        
                                        | Current - On State (It (RMS)) (Max) | 40 A | 
                                                                        
                                        | Voltage - Gate Trigger (Vgt) (Max) | 1.3 V | 
                                                                        
                                        | Current - Non Rep. Surge 50, 60Hz (Itsm) | 335A, 400A | 
                                                                                                        
                            
                         
                                                TRIAC Standard 1 kV 40 A Through Hole TO-218X Isolated