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| Part Number | LTL-4291 | LTL-4291N | LTL-4293 | LTL-4211 | LTL-4221 | LTL-4231 | LTL-4251 |
|---|---|---|---|---|---|---|---|
| Manufacturer | 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 |
| Color | Red | Orange | Red | Red | Red | Green | Yellow |
| Configuration | Standard | Standard | Standard | Standard | Standard | Standard | Standard |
| Lens Color | Orange | Orange | Orange | Red | Red | Green | Yellow |
| Lens Transparency | Diffused | Diffused | Diffused | Diffused | Diffused | Diffused | Diffused |
| Millicandela Rating | 12.6mcd | 8.7mcd | 29mcd | 2.5mcd | 8.7mcd | 12.6mcd | 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 |
| Lens Size | 3mm, T-1 | 3mm, T-1 | 5mm, T-1 3/4 | 3mm, T-1 | 3mm, T-1 | 3mm, T-1 | 3mm, T-1 |
| Voltage - Forward (Vf) (Typ) | 2V | 2V | 2V | 2.1V | 2V | 2.1V | 2.1V |
| Current - Test | 20mA | 10mA | 10mA | 10mA | 20mA | 10mA | 10mA |
| Viewing Angle | 40° | 60° | 36° | 40° | 40° | 40° | 40° |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole |
| Wavelength - Dominant | 621nm | 621nm | 621nm | 657nm | 623nm | 569nm | 588nm |
| Wavelength - Peak | 630nm | 630nm | 630nm | 697nm | 635nm | 565nm | 585nm |
| Features | - | - | - | - | - | - | - |
| Package / Case | Radial | Radial | Radial | Radial | Radial | Radial | Radial |
| Supplier Device Package | T-1 | T-1 | T-1 3/4 | T-1 | T-1 | T-1 | T-1 |
| Size / Dimension | - | - | - | - | - | - | - |
| Height (Max) | 6.55mm | 6.00mm | 8.60mm | 6.55mm | 6.55mm | 6.55mm | 6.55mm |
