NJL5172K is a product of NJL company. The specifications of this product are for reference only and do not guarantee that there will be no errors or omissions in this product. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights.
This document is a datasheet for the NJLS172K, a single-in-line super miniature photo reflector consisting of a high output power LED and a high sensitive phototransistor. It includes pin location differences compared to the NJLS171K model and outlines applications such as end detection for video/audio tapes, rotation detection for motors, and paper edge detection for printers and facsimiles.
The datasheet provides comprehensive technical data including absolute maximum ratings, electro-optical characteristics, and typical performance curves. It also details measuring specifications for output current and response time, along with specific precautions for soldering, cleaning, and handling to prevent deterioration of optical characteristics.
| Forward Current (Continuous) | 50 mA |
|---|---|
| Reverse Voltage (Continuous) | 6 V |
| Power Dissipation | 8 mW |
| Operating Temperature | -20~+90 °C |
| Forward Voltage | 1.2 V |
| Output Current | 50 - 160 mA |
It is used for end detection of video/audio tapes, rotation detection of motors, paper edge detection in printers, and line code reading in vending machines.
The recommended maximum soldering temperature is 260°C for less than 10 seconds.
The collector-emitter voltage (Vec) must not exceed 6V to avoid lowering sensitivity.