| Part No. | Package | Output type | Standard characteristics | RoHS |
Gap width (mm) | Slit width (mm) | Screw stop | Positioning | Remarks |
| RPI-0125 | SMD | Phototransistor | 1.2 | 0.30 | | | - | Yes |
| RPI-0128 | 1.2 | 0.20 | | | World's smallest class(Low profile 1.8mm) | Yes |
| RPI-0129 | 1.2 | 0.70 | | | Horizontal slit type | Yes |
| RPI-0226 | 2.0 | 0.30 | | Yes | Wide gap type | Yes |
| RPI-122 | THD | 0.8 | 0.25 | | | Ultra-Compact type | Yes |
| RPI-121 | 0.8 | 0.40 | | | Ultra-Compact type | Yes |
| RPI-124 | 1.0 | 0.15 | | | Ultra-Compact type | Yes |
| RPI-125 | 1.2 | 0.30 | | | Ultra-Compact type | Yes |
| RPI-128 | 1.2 | 0.20 | | | World's smallest class(Low profile 1.8mm) | Yes |
| RPI-129B | 1.2 | 0.70 | | | Horizontal slit type | Yes |
| RPI-130 | 1.2 | 0.30 | | | Ultra-Compact type | Yes |
| RPI-131 | 1.2 | 0.40 | Yes | | Compact type | Yes |
| RPI-151 | 1.5 | (2.20) | | | 2-Phase output type | Yes |
| RPI-221 | 2.3 | 0.40 | | | Compact type | Yes |
| RPI-222 | 2.0 | 0.20 | | | Compact type | Yes |
| RPI-243 | 2.0 | 0.40 | Yes | | Compact type | Yes |
| RPI-246 | 2.0 | 0.20 | Yes | | Compact type | Yes |
| RPI-352 | 3.0 | 0.40 | | Yes | Compact type | Yes |
| RPI-303 | 3.0 | 0.40 | | | High profile type | Yes |
| RPI-441C1 | 4.0 | 0.50 | | Yes | Compact type | Yes |
| RPI-392 | 4.0 | 0.50 | | | - | Yes |
| RPI-579 | 5.0 | 0.50 | | Yes | - | Yes |
| RPI-579N1 | 5.0 | 0.50 | | Yes | Kinked forming | Yes |
| RPI-579N1E | 5.0 | 0.50 | | Yes | Power Saving ,High efficiency | Yes |
| RPI-5100 | | | | | | | Actuator type | Yes |
| RPI-1133 | Photo IC | 1.1 | 0.30 | Yes | | Compact type | Yes |
| * RPI-2501 | Phototransistor | 5.0 | 0.40 | | | With Connector | Yes |
| RPI-0352E | SMD | 3.0 | 0.40 | | | Power Saving ,High efficiency | Yes |
| RPI-352E | THD | 3.0 | 0.40 | | | Power Saving ,High efficiency | Yes |
| RPI-441C1E | 4.0 | 0.50 | | | Power Saving ,High efficiency | Yes |
| * RPI-##E | SMD | 1.0 to 4.0 | 0.2 to 0.5 | | | Power Saving ,High efficiency | Yes |