| No. |
Part Name |
Description |
Manufacturer |
| 1951 |
1N2989B |
Leaded Zener Diode Power |
Central Semiconductor |
| 1952 |
1N2989B |
Zener Diode 30V 10W |
Motorola |
| 1953 |
1N2989B |
Diffused power zener diode 10W 30V, ±5% tolerance |
Texas Instruments |
| 1954 |
1N2989B |
10 Watt Silicon Zener Diode 30V, tolerance ±5% |
Transitron Electronic |
| 1955 |
1N2989BR |
10 Watt Silicon Zener Diode 30V Reverse Polarity, tolerance ±5% |
Transitron Electronic |
| 1956 |
1N2989R |
Diffused power zener diode 10W 30V, reverse polarity |
Texas Instruments |
| 1957 |
1N2989R |
10 Watt Silicon Zener Diode 30V Reverse Polarity |
Transitron Electronic |
| 1958 |
1N2990 |
Zener Diode 33V 10W |
Motorola |
| 1959 |
1N2990 |
Diffused power zener diode 10W 33V |
Texas Instruments |
| 1960 |
1N2990 |
10 Watt Silicon Zener Diode 33V |
Transitron Electronic |
| 1961 |
1N2990A |
Zener Diode 33V 10W |
Motorola |
| 1962 |
1N2990A |
Diffused power zener diode 10W 33V, ±10% tolerance |
Texas Instruments |
| 1963 |
1N2990A |
10 Watt Silicon Zener Diode 33V, tolerance ±10% |
Transitron Electronic |
| 1964 |
1N2990AR |
10 Watt Silicon Zener Diode 33V Reverse Polarity, tolerance ±10% |
Transitron Electronic |
| 1965 |
1N2990B |
Leaded Zener Diode Power |
Central Semiconductor |
| 1966 |
1N2990B |
Zener Diode 33V 10W |
Motorola |
| 1967 |
1N2990B |
Diffused power zener diode 10W 33V, ±5% tolerance |
Texas Instruments |
| 1968 |
1N2990B |
10 Watt Silicon Zener Diode 33V, tolerance ±5% |
Transitron Electronic |
| 1969 |
1N2990BR |
10 Watt Silicon Zener Diode 33V Reverse Polarity, tolerance ±5% |
Transitron Electronic |
| 1970 |
1N2990R |
Diffused power zener diode 10W 33V, reverse polarity |
Texas Instruments |
| 1971 |
1N2990R |
10 Watt Silicon Zener Diode 33V Reverse Polarity |
Transitron Electronic |
| 1972 |
1N2991 |
Zener Diode 36V 10W |
Motorola |
| 1973 |
1N2991 |
Diffused power zener diode 10W 36V |
Texas Instruments |
| 1974 |
1N2991 |
10 Watt Silicon Zener Diode 36V |
Transitron Electronic |
| 1975 |
1N2991A |
Zener Diode 36V 10W |
Motorola |
| 1976 |
1N2991A |
Diffused power zener diode 10W 36V, ±10% tolerance |
Texas Instruments |
| 1977 |
1N2991A |
10 Watt Silicon Zener Diode 36V, tolerance ±10% |
Transitron Electronic |
| 1978 |
1N2991AR |
10 Watt Silicon Zener Diode 36V Reverse Polarity, tolerance ±10% |
Transitron Electronic |
| 1979 |
1N2991B |
Leaded Zener Diode Power |
Central Semiconductor |
| 1980 |
1N2991B |
Zener Diode 36V 10W |
Motorola |
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