| Parameters | 
                                                                                                            
                                        | Mfr | Littelfuse Inc. | 
                                                                        
                                        | Series | 312 | 
                                                                        
                                        | Package | Bulk | 
                                                                        
                                        | Product Status | Obsolete | 
                                                                        
                                        | Mounting Type | Requires Holder | 
                                                                        
                                        | Fuse Type | Cartridge, Glass | 
                                                                        
                                        | Current Rating (Amps) | 62 mA | 
                                                                        
                                        | Voltage Rating - AC | 250 V | 
                                                                        
                                        | Response Time | Fast Blow | 
                                                                        
                                        | Package / Case | 3AB, 3AG, 1/4" x 1-1/4" | 
                                                                        
                                        | Breaking Capacity @ Rated Voltage | 35A | 
                                                                        
                                        | Melting I²t | 0.000249 | 
                                                                        
                                        | Approval Agency | CSA, UL | 
                                                                        
                                        | Operating Temperature | -55°C ~ 125°C | 
                                                                        
                                        | Color | - | 
                                                                        
                                        | Size / Dimension | 0.250" Dia x 1.250" L (6.35mm x 31.75mm) | 
                                                                        
                                        | DC Cold Resistance | 24.5 Ohms | 
                                                                        
                                        | RoHS Status | RoHS non-compliant | 
                                                                        
                                        | Moisture Sensitivity Level (MSL) | Not Applicable | 
                                                                        
                                        | ECCN | EAR99 | 
                                                                        
                                        | HTSUS | 8536.10.0020 | 
                                                                        
                                        | Standard Package | 100 | 
                                                                                                        
                            
                         
                                                62 mA 250 V AC DC Fuse Cartridge, Glass Requires Holder 3AB, 3AG, 1/4" x 1-1/4"