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| PartNumber | 1N5257A | 1N5257A (DO-35) | 1N5257B |
| Description | Zener Diodes Zener Diodes | DIODE ZENER 33V 500MW DO35 | DIODE ZENER 33V 500MW DO35 |
| Manufacturer | Microchip | - | Fairchild Semiconductor |
| Product Category | Zener Diodes | - | Diodes - Zener - Single |
| Vz Zener Voltage | 33 V | - | - |
| Mounting Style | Axial | - | Through Hole |
| Package / Case | DO-7-2 | - | - |
| Pd Power Dissipation | 0.5 W | - | - |
| Voltage Tolerance | 10 % | - | 5 % |
| Voltage Temperature Coefficient | 0.092 %/C | - | 0.092 %/C |
| Zz Zener Impedance | 58 Ohms | - | - |
| Minimum Operating Temperature | - 65 C | - | - 65 C |
| Maximum Operating Temperature | + 200 C | - | + 200 C |
| Configuration | Single | - | Single |
| Test Current | 3.8 mA | - | - |
| Packaging | Foil Bag | - | Bulk Alternate Packaging |
| Diameter | 2.718 mm | - | - |
| Length | 7.62 mm | - | 4.56 mm |
| Brand | Microchip / Microsemi | - | - |
| Ir Reverse Current | 0.1 uA | - | - |
| Product Type | Zener Diodes | - | - |
| Factory Pack Quantity | 1 | - | - |
| Subcategory | Diodes & Rectifiers | - | - |
| Vf Forward Voltage | 1.1 V | - | - |
| Part # Aliases | (DO-35) 1N5257A | - | - |
| Series | - | - | - |
| Part Aliases | - | - | (DO-35) |
| Unit Weight | - | - | 0.004445 oz |
| Height | - | - | 1.91 mm |
| Width | - | - | 1.91 mm |
| Package Case | - | - | DO-204AH, DO-35, Axial |
| Operating Temperature | - | - | -65°C ~ 200°C |
| Mounting Type | - | - | Through Hole |
| Supplier Device Package | - | - | DO-35 |
| Tolerance | - | - | ±5% |
| Power Max | - | - | 500mW |
| Voltage Zener Nom Vz | - | - | 33V |
| Impedance Max Zzt | - | - | 58 Ohm |
| Current Reverse Leakage Vr | - | - | 100nA @ 25V |
| Voltage Forward Vf Max If | - | - | 1.2V @ 200mA |
| Pd Power Dissipation | - | - | 500 mW |
| Vz Zener Voltage | - | - | 33 V |
| Zener Current | - | - | 3.8 mA |
| Zz Zener Impedance | - | - | 58 Ohms |
| Ir Reverse Current | - | - | 100 nA |