| PartNumber | UFZVFHTE-173.9B | UFZVFHTE-173.6B | UFZVFHTE-1730B |
| Description | Zener Diodes 3.87-4.151V 20mA SOD-323FL; UMD2 | Zener Diodes 3.58-3.836V 20mA SOD-323FL; UMD2 | Zener Diodes 27.98-29.5V 5mA SOD-323FL; UMD2 |
| Manufacturer | ROHM Semiconductor | ROHM Semiconductor | ROHM Semiconductor |
| Product Category | Zener Diodes | Zener Diodes | Zener Diodes |
| RoHS | Y | Y | Y |
| Vz Zener Voltage | 3.87 V | 3.58 V | 27.98 V |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOD-323FL-2 | SOD-323FL-2 | SOD-323FL-2 |
| Pd Power Dissipation | 500 mW | 500 mW | 500 mW |
| Zener Current | 20 mA | 20 mA | 5 mA |
| Zz Zener Impedance | 50 Ohms | 60 Ohms | 55 Ohms |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Configuration | Single | Single | Single |
| Packaging | Reel | Reel | Reel |
| Height | 0.7 mm | 0.7 mm | 0.7 mm |
| Length | 1.7 mm | 1.7 mm | 1.7 mm |
| Width | 1.25 mm | 1.25 mm | 1.25 mm |
| Brand | ROHM Semiconductor | ROHM Semiconductor | ROHM Semiconductor |
| Ir Reverse Current | 5 uA | 10 uA | 0.2 uA |
| Product Type | Zener Diodes | Zener Diodes | Zener Diodes |
| Factory Pack Quantity | 3000 | 3000 | 3000 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| Part # Aliases | UFZVFH3.9B | UFZVFH3.6B | UFZVFH30B |