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| PartNumber | 1N5387B/TR8 | 1N5387B/TR12 | 1N5387B |
| Description | Zener Diodes Zener Voltage Regulator Diode | Zener Diodes Zener Voltage Regulator Diode | DIODE ZENER 190V 5W T18 |
| Manufacturer | Microchip | Microchip | Microsemi Corporation |
| Product Category | Zener Diodes | Zener Diodes | Diodes - Zener - Single |
| RoHS | N | N | - |
| Vz Zener Voltage | 190 V | 190 V | - |
| Mounting Style | Through Hole | Through Hole | - |
| Package / Case | T-18-2 | T-18-2 | - |
| Pd Power Dissipation | 5 W | 5 W | - |
| Voltage Tolerance | 5 % | 5 % | - |
| Voltage Temperature Coefficient | - | - | - |
| Zener Current | 0.5 uA | 0.5 uA | - |
| Zz Zener Impedance | 450 Ohms | 450 Ohms | - |
| Minimum Operating Temperature | - 65 C | - 65 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Configuration | Single | Single | - |
| Test Current | 5 mA | 5 mA | - |
| Packaging | Reel | Reel | Tape & Reel (TR) |
| Brand | Microchip / Microsemi | Microchip / Microsemi | - |
| Product Type | Zener Diodes | Zener Diodes | - |
| Factory Pack Quantity | 1000 | 3000 | - |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | - |
| Unit Weight | 0.002469 oz | 0.002469 oz | - |
| Series | - | - | - |
| Package Case | - | - | T-18, Axial |
| Operating Temperature | - | - | -65°C ~ 150°C |
| Mounting Type | - | - | Through Hole |
| Supplier Device Package | - | - | T-18 |
| Tolerance | - | - | ±5% |
| Power Max | - | - | 5W |
| Voltage Zener Nom Vz | - | - | 190V |
| Impedance Max Zzt | - | - | 450 Ohm |
| Current Reverse Leakage Vr | - | - | 500nA @ 137V |
| Voltage Forward Vf Max If | - | - | 1.2V @ 1A |