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| PartNumber | LDM-21457MI | LDM-21457NI | LDM-21457NO-9 |
| Description | LED Displays & Accessories LED Display | LED Displays & Accessories LED Display | LED Displays & Accessories LED Display |
| Manufacturer | Lumex | Lumex Opto/Components Inc. | - |
| Product Category | LED Displays & Accessories | Display Modules - LED Dot Matrix and Cluster | - |
| RoHS | Y | - | - |
| Display Type | 5 x 7 Dot Matrix | 5 x 7 Dot Matrix | - |
| Number of Digits | 1 | 1 | - |
| Character Size | 2.1 in | 2.1 in | - |
| Illumination Color | Red | Red | - |
| Wavelength | 635 nm | 635 nm | - |
| Configuration | Common Anode | 5 x 7 | - |
| If Forward Current | 30 mA | - | - |
| Vf Forward Voltage | 2.5 V | - | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Mounting Style | Through Hole | Through Hole | - |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - |
| Type | Dot Matrix | - | - |
| Brand | Lumex | - | - |
| Luminous Intensity | 2000 ucd | 2000 ucd | - |
| Product Type | LED Displays | - | - |
| Factory Pack Quantity | 12 | - | - |
| Subcategory | Displays | - | - |
| Color | - | Red | - |
| Series | - | - | - |
| Size Dimension | - | 1.50" L x 2.10" W x 0.33" H (38.10mm x 53.34mm x 8.40mm) | - |
| Interface | - | - | - |
| Voltage Forward Vf Typ | - | 2V | - |
| Millicandela Rating | - | 2mcd | - |
| Internal Connection | - | Common Anode Row, Common Cathode Column | - |
| Vf Forward Voltage | - | 2.5 V | - |
| If Forward Current | - | 30 mA | - |