This document describes the features and characteristics of the RPI-246 photointerrupter, suitable for applications such as floppy disk drives, movie equipment, cameras, and printers.
The RPI-246 is a small‑type through‑hole photointerrupter intended for use in devices such as audio‑visual equipment, office automation, communications, and consumer electronics. It features a 2.0 mm gap between emitter and detector and is designed for standard voltage supplies.
The document lists detailed electrical and optical characteristics, maximum ratings, and mechanical dimensions, along with application notes and legal notices. It also includes guidance on operating temperature limits and cautions for safety‑critical applications.
| Forward current (Ir) | 50 mA |
|---|---|
| Collector‑emitter voltage (Vceo) | 30 V |
| Emitter‑collector voltage (Veco) | 45 V |
| Power dissipation (Po) | 80 mW |
| Operating temperature range | -25 °C to +85 °C |
| Peak sensitivity wavelength | 800‑950 nm |
| Response time | 10 µs |
| Dark current | 0.5 pA |
| Forward voltage (Ve) | 1.3‑1.6 V |
The maximum forward current (Ir) is 50 mA.
It can operate from –25 °C up to +85 °C.
The response time is specified as 10 µs.
It is not intended for safety‑critical equipment; users should consult ROHM sales representatives before such use.