| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| 1N2990B | Zener Voltage Regulator Diode | Microsemi-Corporation | - | - | - | - | 103 K |
| 1N5990B | 500 milliwatts glass silicon zener diode, zener voltage 3.9V | Motorola | - | 2 | -65°C | 200°C | 424 K |
| 1N5990B | Zener Voltage Regulator Diode | Microsemi-Corporation | - | - | - | - | 110 K |
| 1N990B | 500 milliwatts glass silicon zener diode | Motorola | - | 2 | -65°C | 200°C | 424 K |
| 1N990B | Zener Voltage Regulator Diode | Microsemi-Corporation | - | - | - | - | 87 K |
| 1N990B | Zener Voltage Regulator Diode | Microsemi-Corporation | - | - | - | - | 87 K |
| 1N990B-1 | Zener Voltage Regulator Diode | Microsemi-Corporation | - | - | - | - | 92 K |
| 1N990BUR-1 | Zener Voltage Regulator Diode | Microsemi-Corporation | - | - | - | - | 92 K |
| MLL990B | Zener Voltage Regulator Diode | Microsemi-Corporation | - | - | - | - | 72 K |
| MLL990B-1 | Zener Voltage Regulator Diode | Microsemi-Corporation | - | - | - | - | 72 K |
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