The Isocom Components 2004 LTD H22A3 Optical Sensor - Photointerrupters - Slot Type - Transistor Output is a transmissive optical sensor with a slot-type phototransistor output. This highly reliable component is designed for fast, accurate sensing of an opaque object passing through the slot. The efficient power management provides energy savings when used for longer periods of time. The device is available in a wide range of PC mountable packages with integral PC pins. It has a relatively fast response time and is suitable for a variety of industrial, commercial and automation applications. With its easy-to-use design and reliable performance, the H22A3 Optical Sensor - Photointerrupters - Slot Type - Transistor Output is ideal for a wide range of operations.