| No. |
Part Name |
Description |
Manufacturer |
| 1981 |
1N2989B |
Leaded Zener Diode Power |
Central Semiconductor |
| 1982 |
1N2989B |
Zener Diode 30V 10W |
Motorola |
| 1983 |
1N2989B |
Diffused power zener diode 10W 30V, ±5% tolerance |
Texas Instruments |
| 1984 |
1N2989B |
10 Watt Silicon Zener Diode 30V, tolerance ±5% |
Transitron Electronic |
| 1985 |
1N2989BR |
10 Watt Silicon Zener Diode 30V Reverse Polarity, tolerance ±5% |
Transitron Electronic |
| 1986 |
1N2989R |
Diffused power zener diode 10W 30V, reverse polarity |
Texas Instruments |
| 1987 |
1N2989R |
10 Watt Silicon Zener Diode 30V Reverse Polarity |
Transitron Electronic |
| 1988 |
1N2990 |
Zener Diodes - 10W |
America Semiconductor |
| 1989 |
1N2990 |
10W Zener Diode |
Motorola |
| 1990 |
1N2990 |
Zener Diode 33V 10W |
Motorola |
| 1991 |
1N2990 |
Diffused power zener diode 10W 33V |
Texas Instruments |
| 1992 |
1N2990 |
10 Watt Silicon Zener Diode 33V |
Transitron Electronic |
| 1993 |
1N2990A |
Zener Diode 33V 10W |
Motorola |
| 1994 |
1N2990A |
Diffused power zener diode 10W 33V, ±10% tolerance |
Texas Instruments |
| 1995 |
1N2990A |
10 Watt Silicon Zener Diode 33V, tolerance ±10% |
Transitron Electronic |
| 1996 |
1N2990AR |
10 Watt Silicon Zener Diode 33V Reverse Polarity, tolerance ±10% |
Transitron Electronic |
| 1997 |
1N2990B |
Leaded Zener Diode Power |
Central Semiconductor |
| 1998 |
1N2990B |
Zener Diode 33V 10W |
Motorola |
| 1999 |
1N2990B |
Diffused power zener diode 10W 33V, ±5% tolerance |
Texas Instruments |
| 2000 |
1N2990B |
10 Watt Silicon Zener Diode 33V, tolerance ±5% |
Transitron Electronic |
| 2001 |
1N2990BR |
10 Watt Silicon Zener Diode 33V Reverse Polarity, tolerance ±5% |
Transitron Electronic |
| 2002 |
1N2990R |
Diffused power zener diode 10W 33V, reverse polarity |
Texas Instruments |
| 2003 |
1N2990R |
10 Watt Silicon Zener Diode 33V Reverse Polarity |
Transitron Electronic |
| 2004 |
1N2991 |
Zener Diodes - 10W |
America Semiconductor |
| 2005 |
1N2991 |
10W Zener Diode |
Motorola |
| 2006 |
1N2991 |
Zener Diode 36V 10W |
Motorola |
| 2007 |
1N2991 |
Diffused power zener diode 10W 36V |
Texas Instruments |
| 2008 |
1N2991 |
10 Watt Silicon Zener Diode 36V |
Transitron Electronic |
| 2009 |
1N2991A |
Zener Diode 36V 10W |
Motorola |
| 2010 |
1N2991A |
Diffused power zener diode 10W 36V, ±10% tolerance |
Texas Instruments |
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