| 20921 | 1N2990 | Zener Diodes - 10W | America Semiconductor |
| 20922 | 1N2990 | 10W Zener Diode | Motorola |
| 20923 | 1N2990 | Zener Diode 33V 10W | Motorola |
| 20924 | 1N2990 | Diode Zener Single 33V 20% 10W 2-Pin DO-4 | New Jersey Semiconductor |
| 20925 | 1N2990 | 10 Watt Silicon Zener Diode 33V | Transitron Electronic |
| 20926 | 1N2990A | Zener Voltage Regulator Diode | Microsemi |
| 20927 | 1N2990A | Zener Diode 33V 10W | Motorola |
| 20928 | 1N2990A | Diode Zener Single 33V 10% 10W 2-Pin DO-4 | New Jersey Semiconductor |
| 20929 | 1N2990A | 10 Watt Silicon Zener Diode 33V, tolerance ±10% | Transitron Electronic |
| 20930 | 1N2990AR | 10 Watt Silicon Zener Diode 33V Reverse Polarity, tolerance ±10% | Transitron Electronic |
| 20931 | 1N2990B | Leaded Zener Diode Power | Central Semiconductor |
| 20932 | 1N2990B | Zener Voltage Regulator Diode | Microsemi |
| 20933 | 1N2990B | Zener Diode 33V 10W | Motorola |
| 20934 | 1N2990B | Diode Zener Single 33V 5% 10W 2-Pin DO-4 | New Jersey Semiconductor |
| 20935 | 1N2990B | 10 Watt Silicon Zener Diode 33V, tolerance ±5% | Transitron Electronic |
| 20936 | 1N2990BE3 | Zener Voltage Regulator Diode | Microsemi |
| 20937 | 1N2990BR | 10 Watt Silicon Zener Diode 33V Reverse Polarity, tolerance ±5% | Transitron Electronic |
| 20938 | 1N2990C | Diode Zener Single 33V 5% 10W 2-Pin DO-4 | New Jersey Semiconductor |
| 20939 | 1N2990D | Diode Zener Single 33V 5% 10W 2-Pin DO-4 | New Jersey Semiconductor |
|
| 20940 | 1N2990R | 10 Watt Silicon Zener Diode 33V Reverse Polarity | Transitron Electronic |
| 20941 | 1N2990RB | Zener Voltage Regulator Diode | Microsemi |
| 20942 | 1N2990RBE3 | Zener Voltage Regulator Diode | Microsemi |
| 20943 | 1N2991 | Zener Diodes - 10W | America Semiconductor |
| 20944 | 1N2991 | 10W Zener Diode | Motorola |
| 20945 | 1N2991 | Zener Diode 36V 10W | Motorola |
| 20946 | 1N2991 | Diode Zener Single 36V 20% 10W 2-Pin DO-4 | New Jersey Semiconductor |
| 20947 | 1N2991 | 10 Watt Silicon Zener Diode 36V | Transitron Electronic |
| 20948 | 1N2991A | Zener Voltage Regulator Diode | Microsemi |
| 20949 | 1N2991A | Zener Diode 36V 10W | Motorola |
| 20950 | 1N2991A | Diode Zener Single 36V 10% 10W 2-Pin DO-4 | New Jersey Semiconductor |
| 20951 | 1N2991A | 10 Watt Silicon Zener Diode 36V, tolerance ±10% | Transitron Electronic |
| 20952 | 1N2991AR | 10 Watt Silicon Zener Diode 36V Reverse Polarity, tolerance ±10% | Transitron Electronic |
| 20953 | 1N2991B | Leaded Zener Diode Power | Central Semiconductor |
| 20954 | 1N2991B | Zener Voltage Regulator Diode | Microsemi |
| 20955 | 1N2991B | Zener Diode 36V 10W | Motorola |
| 20956 | 1N2991B | Diode Zener Single 36V 5% 10W 2-Pin DO-4 | New Jersey Semiconductor |
| 20957 | 1N2991B | 10 Watt Silicon Zener Diode 36V, tolerance ±5% | Transitron Electronic |
| 20958 | 1N2991BE3 | Zener Voltage Regulator Diode | Microsemi |
| 20959 | 1N2991BR | 10 Watt Silicon Zener Diode 36V Reverse Polarity, tolerance ±5% | Transitron Electronic |
| 20960 | 1N2991C | Diode Zener Single 36V 5% 10W 2-Pin DO-4 | New Jersey Semiconductor |
