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| Part Number | LTL-4221N | LTL-4231N | LTL-4222N | LTL-4291N | LTL-4251N | LTL-4261N | LTL-4211N | LTL-4221 |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Lite-On Inc. | Lite-On Inc. | Lite-On Inc. | Lite-On Inc. | Lite-On Inc. | Lite-On Inc. | Lite-On Inc. | Lite-On Inc. |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active |
| Color | Red | Green | Red | Orange | Yellow | Red | Red | Red |
| Configuration | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard |
| Lens Color | Red | Green | Red | Orange | Yellow | Red | Red | Red |
| Lens Transparency | Diffused | Diffused | Clear | Diffused | Diffused | Diffused | Diffused | Diffused |
| Millicandela Rating | 8.7mcd | 12.6mcd | 29mcd | 8.7mcd | 5.6mcd | 60mcd | 4.4mcd | 8.7mcd |
| Lens Style | Round with Domed Top | Round with Domed Top | Round with Domed Top | Round with Domed Top | Round with Domed Top | Round with Domed Top | Round with Domed Top | Round with Domed Top |
| Lens Size | 3mm, T-1 | 3mm, T-1 | 3mm, T-1 | 3mm, T-1 | 3mm, T-1 | 3.00mm Dia | 3mm, T-1 | 3mm, T-1 |
| Voltage - Forward (Vf) (Typ) | 2V | 2.1V | 2V | 2V | 2.1V | 1.8V | 2.1V | 2V |
| Current - Test | 10mA | 10mA | 10mA | 10mA | 10mA | 20mA | 10mA | 20mA |
| Viewing Angle | 60° | 60° | 45° | 60° | 60° | 60° | 60° | 40° |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Wavelength - Dominant | 625nm | 569nm | 623nm | 621nm | 588nm | 638nm | 657nm | 623nm |
| Wavelength - Peak | 635nm | 565nm | 635nm | 630nm | 585nm | 660nm | 697nm | 635nm |
| Features | - | - | - | - | - | - | - | - |
| Package / Case | Radial | Radial | Radial | Radial | Radial | Radial | Radial | Radial |
| Supplier Device Package | T-1 | - | T-1 | T-1 | T-1 | - | T-1 | T-1 |
| Size / Dimension | - | - | - | - | - | - | - | - |
| Height (Max) | 5.85mm | 5.85mm | 5.85mm | 6.00mm | 5.85mm | 6.00mm | 5.85mm | 6.55mm |
