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See Product Specifications
| Part Number: | LTP-1557AY | 
| Category: | Optoelectronics | 
| Subcategory: | Display Modules - LED Dot Matrix and Cluster | 
| Manufacturer: | Lite-On Inc. | 
| Packaging: | Tube | 
| Product Status: | Obsolete | 
| Millicandela Rating: | 4.8mcd | 
| Internal Connection: | Common Anode Row, Common Cathode Column | 
| Size / Dimension: | 0.89" L x 1.25" W x 0.32" H (22.60mm x 31.80mm x 8.00mm) | 
| Color: | Yellow | 
| Configuration: | 5 x 7 | 
| Voltage - Forward (Vf) (Typ): | 2.1V | 
| Interface: | - |