| PartNumber | TSL251R-LF | TSL251RD-TR | TSL251RSM-LF |
| Description | Light To Frequency & Light To Voltage Light to Voltage Converter | Light To Frequency & Light To Voltage Light to Voltage Converter | Light To Frequency & Light To Voltage Light to Voltage Converter |
| Manufacturer | ams | ams | ams |
| Product Category | Light To Frequency & Light To Voltage | Light To Frequency & Light To Voltage | Light To Frequency & Light To Voltage |
| RoHS | Y | Y | Y |
| Product | Light to Voltage Converters | Light to Voltage Converters | Light to Voltage Converters |
| Peak Wavelength | 635 nm | 640 nm | - |
| Maximum Operating Temperature | + 85 C | + 70 C | + 85 C |
| Minimum Operating Temperature | - 25 C | 0 C | - 25 C |
| Mounting Style | Through Hole | SMD/SMT | SMD/SMT |
| Package / Case | SIP-3 | SOIC-8 | Side Looker |
| Packaging | Bulk | Reel | Reel |
| Brand | ams | ams | ams |
| Product Type | Optical Sensors | Optical Sensors | Optical Sensors |
| Factory Pack Quantity | 500 | 1000 | 2500 |
| Subcategory | Sensors | Sensors | Sensors |
| Part # Aliases | 300320004 | 300320009 | 300320005 |
| Unit Weight | 0.010406 oz | 0.003200 oz | - |
| Operating Supply Voltage | - | 5 V | - |
| Moisture Sensitive | - | Yes | - |
| Operating Supply Current | - | 1.1 mA | - |