TCPT1200 is a miniature transmissive optical sensor with phototransistor output from Vishay Semiconductors. It features surface mount package, phototransistor detector, dimensions of 5 mm x 4 mm x 4 mm, gap of 2 mm, aperture of 0.3 mm, typical test current of 0.5 mA, emitter wavelength of 950 nm, lead (Pb)-free soldering released, lead (Pb)-free component in accordance with RoHS 2002/95/EC and WEEE 2002/96/EC standards, minimum order quantity of 2000 pcs, 2000 pcs/reel.
The TCPT1200 is a subminiature transmissive optical sensor that integrates an infrared emitter and a phototransistor detector in a face‑to‑face surface‑mount package. It is designed for precise position detection in encoders, motion‑direction sensing, and mouse/trackball applications.
The datasheet provides electrical characteristics, switching times, mechanical dimensions, and recommended reflow solder profiles. It also includes Vishay’s environmental policy and legal disclaimer, confirming RoHS compliance and lead‑free soldering release.
| Package type | Surface mount |
|---|---|
| Detector type | Phototransistor |
| Dimensions | L 5 mm × W 4 mm × H 4 mm |
| Gap | 2 mm |
| Aperture | 0.3 mm |
| Typical output current | 0.5 mA |
| Emitter wavelength | 950 nm |
| Reverse voltage (VR) | 5 V |
| Forward current (IF) | 25 mA |
| Collector‑emitter voltage (VCEO) | 70 V |
| Power dissipation (PV) | 75 mW |
The typical output current under test conditions is 0.5 mA.
The infrared emitter operates at a wavelength of 950 nm.
The device is rated for a reverse voltage of 5 V.