| SF21 | Amphenol Wilcoxon | 0 | Sensor Hardware & Accessories Isolating mounting pad, 1/4-28 to 1/4-28, 0.82" diameter, 38 grams | 
                                                                    
                                        | SF21-5,08 | Altech | 0 | Circuit Breaker Accessories PCB Plug, 21 Pole, 5.08mm, invert.ed | 
                                                                    
                                        | SF21-5,08-K | Altech | 0 | Pluggable Terminal Blocks PCB Plug, 21 Pole, 5.08mm, invert.ed | 
                                                                    
                                        | SF21-5,08-KV | Altech | 0 | Pluggable Terminal Blocks PCB Plug, 21 Pole, 5.08mm, invert.ed | 
                                                                    
                                        | SF21-B | Rectron | 0 | Rectifiers 2A 50V 35ns | 
                                                                    
                                        | SF21-T | Rectron | 0 | Rectifiers DO-15 2A 50V 35ns | 
                                                                    
                                        | SF2120C | RFMi | 0 | Signal Conditioning FILTER, SAW, 149 MHZ, 8SMD | 
                                                                    
                                        | SF2120C | RFMi | 0 | Signal Conditioning FILTER, SAW, 149 MHZ, 8SMD | 
                                                                    
                                        | SF2124E | RFMi | 14,414 | Signal Conditioning FILTER, SAW, 2441.8 MHZ, 6SMD | 
                                                                    
                                        | SF2124E | RFMi | 14,314 | Signal Conditioning FILTER, SAW, 2441.8 MHZ, 6SMD | 
                                                                    
                                        | SF2126E | RFMi | 293 | Signal Conditioning FILTER, SAW,725 MHZ, 8SMD | 
                                                                    
                                        | SF2126E | RFMi | 293 | Signal Conditioning FILTER, SAW,725 MHZ, 8SMD | 
                                                                    
                                        | SF2131B | RFMi | 0 | Signal Conditioning FILTER, SAW, 92.16 MHZ, 10SMD | 
                                                                    
                                        | SF2131B | RFMi | 0 | Signal Conditioning FILTER, SAW, 92.16 MHZ, 10SMD | 
                                                                    
                                        | SF2133E | RFMi | 2,775 | Signal Conditioning FILTER, SAW, 1747.5 MHZ, 6SMD |