| 430Y3100 | Vectron | VCXOs |
| 430Y3200 | Vectron | VCXOs |
| 430Y5200 | Vectron | SDH (STM-8) and SONET (OC-24) Applications |
| 434Y2600 | Vectron | Temperature Compensated VCXOs |
| 43961A | Agilent | 43961A RF Impedance Test Kit |
| 43CTQ100 | International Rectifier | 100V 40A Schottky Common Cathode Diode in a TO-220AB package |
| 43CTQ100-1 | International Rectifier | 100V 40A Schottky Common Cathode Diode in a TO-262 package |
| 43CTQ100S | International Rectifier | 100V 40A Schottky Common Cathode Diode in a D2-Pak package |