| 1N4148_L99Z | Fairchild Semiconductor | High Conductance Fast Diode |
| 1N4148_NT50A | Fairchild Semiconductor | High Conductance Fast Diode |
| 1N4148_S62Z | Fairchild Semiconductor | High Conductance Fast Diode |
| 1N4148_T26R | Fairchild Semiconductor | High Conductance Fast Diode |
| 1N4148_T50A | Fairchild Semiconductor | High Conductance Fast Diode |
| 1N4148_T50R | Fairchild Semiconductor | High Conductance Fast Diode |
| 1N4149 | Fairchild Semiconductor | High Conductance Fast Diode |
| 1N4149TR | Fairchild Semiconductor | High Conductance Fast Diode |
| 1N4149_T50R | Fairchild Semiconductor | High Conductance Fast Diode |
| 1N4150 | Central Semiconductor | Leaded Silicon Diode Switching |
| 1N4150 | Fairchild Semiconductor | High Conductance Ultra Fast Diode |
| 1N4150TR | Fairchild Semiconductor | High Conductance Ultra Fast Diode |
| 1N4150_S62Z | Fairchild Semiconductor | High Conductance Ultra Fast Diode |
| 1N4150_T50A | Fairchild Semiconductor | High Conductance Ultra Fast Diode |
| 1N4150_T50R | Fairchild Semiconductor | High Conductance Ultra Fast Diode |
| 1N4151 | Central Semiconductor | Leaded Silicon Diode Switching |
| 1N4151 | Fairchild Semiconductor | High Conductance Fast Diode |
| 1N4151TR | Fairchild Semiconductor | High Conductance Fast Diode |
| 1N4151_T50R | Fairchild Semiconductor | High Conductance Fast Diode |
| 1N4152 | Central Semiconductor | Leaded Silicon Diode Switching |