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| PartNumber | PTZTE256.8A | PTZTE257.5A | PTZTE256.8B |
| Description | Zener Diodes 6.8V 40MA | Zener Diodes 7.5V 40MA | Zener Diodes 6.8V 1W |
| Manufacturer | ROHM Semiconductor | ROHM Semiconductor | ROHM Semiconductor |
| Product Category | Zener Diodes | Zener Diodes | Zener Diodes |
| RoHS | Y | Y | Y |
| Vz Zener Voltage | 7.2 V | 7.889 V | 7.28 V |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOD-106-2 | - | SOD-106-2 |
| Pd Power Dissipation | 1 W | 1 W | 1 W |
| Zener Current | 40 mA | 40 mA | 40 mA |
| Zz Zener Impedance | 6 Ohms | 4 Ohms | 6 Ohms |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Configuration | Single | Single | Single |
| Packaging | Reel | Reel | Reel |
| Series | PTZ6.8A | PTZ7.5A | PTZ6.8B |
| Termination Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Brand | ROHM Semiconductor | ROHM Semiconductor | ROHM Semiconductor |
| Ir Reverse Current | 20 uA | 20 uA | 20 uA |
| Product Type | Zener Diodes | Zener Diodes | Zener Diodes |
| Factory Pack Quantity | 1500 | 1500 | 1500 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| Voltage Temperature Coefficient | - | 4.2 mV/C | 3.2 mV/C |
| Minimum Operating Temperature | - | - 55 C | - 55 C |
| Voltage Tolerance | - | - | 6 % |
| Test Current | - | - | 40 mA |
| Height | - | - | 1.9 mm |
| Length | - | - | 4.5 mm |
| Width | - | - | 2.6 mm |
| Part # Aliases | - | - | PTZ6.8B |