| Parameters | 
                                                                                                            
                                            | Mfr | Littelfuse Inc. | 
                                                                            
                                            | Series | POLY-FUSE®, 16R | 
                                                                            
                                            | Package | Bulk | 
                                                                            
                                            | Product Status | Obsolete | 
                                                                            
                                            | Type | Polymeric | 
                                                                            
                                            | Voltage - Max | 16V | 
                                                                            
                                            | Current - Max | 100 A | 
                                                                            
                                            | Current - Hold (Ih) (Max) | 12 A | 
                                                                            
                                            | Current - Trip (It) | 20.4 A | 
                                                                            
                                            | Time to Trip | 7.5 s | 
                                                                            
                                            | Resistance - Initial (Ri) (Min) | 3.3 mOhms | 
                                                                            
                                            | Resistance - Post Trip (R1) (Max) | 8.6 mOhms | 
                                                                            
                                            | Operating Temperature | -40°C ~ 85°C | 
                                                                            
                                            | Ratings | - | 
                                                                            
                                            | Mounting Type | Through Hole | 
                                                                            
                                            | Package / Case | Radial, Disc | 
                                                                            
                                            | Size / Dimension | 0.689" L x 0.138" W (17.50mm x 3.50mm) | 
                                                                            
                                            | Height - Seated (Max) | 1.102" (28.00mm) | 
                                                                            
                                            | Thickness (Max) | - | 
                                                                            
                                            | Lead Spacing | 0.402" (10.20mm) | 
                                                                            
                                            | Approval Agency | cURus, TUV | 
                                                                            
                                            | RoHS Status | ROHS3 Compliant | 
                                                                            
                                            | Moisture Sensitivity Level (MSL) | 1  (Unlimited) | 
                                                                            
                                            | ECCN | EAR99 | 
                                                                            
                                            | HTSUS | 8533.40.8070 | 
                                                                            
                                            | Standard Package | 100 | 
                                                                                                    
                            
                         
                                                Polymeric PTC Resettable Fuse 16V 12 A Ih Through Hole Radial, Disc