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| PartNumber | 1550BBK | 1550B | 1550BL15A0075E |
| Description | Enclosures, Boxes, & Cases "Diecast Aluminum Box 4.51x1.02x2.6"" Black" | Enclosures, Boxes, & Cases Diecast Aluminum Box 4.51x1.1x2.6"Natural | Signal Conditioning 1.55 GHz Balun RF EIA |
| Manufacturer | Hammond | Hammond | Johanson Technology Inc. |
| Product Category | Enclosures, Boxes, & Cases | Enclosures, Boxes, & Cases | Balun |
| RoHS | Y | Y | - |
| Product Type | Enclosures, Boxes, & Cases | Enclosures, Boxes, & Cases | - |
| Product | Enclosures | Enclosures | Baluns |
| Type | Die-cast Box | Die-cast Box | High Frequency Ceramic |
| Material | Aluminum | Aluminum | - |
| Color | Black | - | - |
| Length | 4.51 in | 4.51 in | - |
| Width | 2.5 in | 2.5 in | - |
| Height | 1 in | 4.5 in | - |
| IP Rating | IP54 | IP54 | - |
| Series | 1550 | 1550 | |
| Depth | 1.2 in | 1.2 in | - |
| Dimensions | 4.51 in L x 2.5 in W x 1 in H | 4.51 in L x 2.5 in W x 4.5 in H | - |
| Features | Powder coated | Powder coated | - |
| Brand | Hammond Manufacturing | Hammond Manufacturing | - |
| Cover Color | Black | - | - |
| Height in | 1.02 | 1.1 | - |
| Height mm | 25.908 | 27.94 | - |
| Length in | 4.51 | 4.51 | - |
| Length mm | 114.554 | 114.554 | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Enclosures, Racks and Boxes | Enclosures, Racks and Boxes | - |
| Width in | 2.52 | 2.6 | - |
| Width mm | 64.008 | 66.04 | - |
| Unit Weight | 3.039981 oz | 4 oz | 0.000194 oz |
| Packaging | - | - | Tape & Reel (TR) |
| Termination Style | - | - | SMD/SMT |
| Mounting | - | - | SMD/SMT |
| Operating Temperature Range | - | - | - 40 C to + 85 C |
| Package Case | - | - | 0805 (2012 metric) |
| Frequency | - | - | 1550 MHz |
| Mounting Type | - | - | Surface Mount |
| Frequency Range | - | - | 950MHz ~ 2.15GHz |
| Impedance Unbalanced Balanced | - | - | 75 / 75 Ohm |
| Phase Difference | - | - | 180° ±10 |
| Insertion Loss Max | - | - | 1.5dB |
| Return Loss Min | - | - | 9.5dB |