| 2N4402 | 2N4402TF Buy | 2N4403TFR Buy | Fairchild | Direct | Small Signal | PNP General Purpose Amplifier |
| 2N4403 | 2N4403TFR Buy | 2MA509GR Buy | Space Power Electronics Inc | Close | Small Signal | PNP General Purpose Amplifier |
| 2N4403 | 2N4403TFR Buy | 2MA509O Buy | Space Power Electronics Inc | Close | Small Signal | PNP General Purpose Amplifier |
| 2N4403 | 2N4403TFR Buy | 2MA509Y Buy | Space Power Electronics Inc | Close | Small Signal | PNP General Purpose Amplifier |
| 2N4403 | 2N4403TFR Buy | 2N2907 Buy | Forward Holdings Ltd | Direct | Small Signal | PNP General Purpose Amplifier |
| 2N4403 | 2N4403TFR Buy | 2N3703 Buy | Allegro Microsystems Inc | Close | Small Signal | PNP General Purpose Amplifier |
