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| PartNumber | LTP-1557AKR | LTP-1557AKA | LTP-1557AKD |
| Description | LED Displays & Accessories Lite-On display 5X7 Dot Matrix 1.2"Red | LED Displays & Accessories Ambe | LED Displays & Accessories Red, Low Current |
| Manufacturer | Lite-On | Lite-On Inc. | Lite-On Inc. |
| Product Category | LED Displays & Accessories | Display Modules - LED Dot Matrix and Cluster | Display Modules - LED Dot Matrix and Cluster |
| RoHS | Y | - | - |
| Display Type | 5 x 7 Dot Matrix | - | - |
| Number of Digits | 1 | - | - |
| Character Size | 1.2 in | - | - |
| Illumination Color | Red | - | - |
| Wavelength | 631 nm | - | - |
| If Forward Current | 20 mA | - | - |
| Vf Forward Voltage | 2 V | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Minimum Operating Temperature | - 35 C | - | - |
| Mounting Style | Through Hole | Through Hole | - |
| Packaging | Tube | Tube | - |
| Operating Temperature Range | - 35 C to + 85 C | - | - |
| Power Consumption | 33 mW | - | - |
| Thickness | 8 mm | - | - |
| Type | Module | - | - |
| Brand | Lite-On | - | - |
| Luminous Intensity | 3800 ucd | - | - |
| Product Type | LED Displays | - | - |
| Factory Pack Quantity | 20 | - | - |
| Subcategory | Displays | - | - |
| Viewing Area W x H | 21.28 mm x 30.42 mm | - | - |
| Color | - | Orange-Red | Red |
| Series | - | - | - |
| Size Dimension | - | 0.90" L x 1.25" W x 0.32" H (22.65mm x 31.79mm x 8.00mm) | 0.89" L x 1.25" W x 0.32" H (22.65mm x 31.79mm x 8.00mm) |
| Interface | - | - | - |
| Configuration | - | 5 x 7 | 5 x 7 |
| Voltage Forward Vf Typ | - | 2.05V | 2.1V |
| Millicandela Rating | - | 3.8mcd | 2.6mcd |
| Internal Connection | - | Common Anode Row, Common Cathode Column | Common Anode Row, Common Cathode Column |