TSMF3700 is a high performance infrared emitting diode produced by Vishay Telefunken. It has low voltage, high power, wide angle, high reliability and other features. It is suitable for applications such as tactile keyboards, low space applications, PCB infrared sensors and miniature light barriers.
The TSMF3700 is a high‑speed infrared emitting diode built with GaAlAs double‑heterojunction technology and housed in a PL‑CC‑2 SMD package. It offers high radiant power, low forward voltage, and a wide half‑intensity angle, making it suitable for infrared sources, tactile keyboards, and miniature light barriers.
The document provides absolute maximum ratings, basic electrical characteristics, typical performance curves, and mechanical dimensions, along with Vishay’s environmental compliance statement.
| Peak Wavelength | 870 nm |
|---|---|
| Typical Forward Voltage (100 mA) | 1.4 V – 1.7 V |
| Radiant Power (100 mA, 20 ms) | 32 mW |
| Half‑Intensity Angle | ± 60° |
| Rise Time (100 mA) | 30 ns |
The peak wavelength is 870 nm.
The typical forward voltage is between 1.4 V and 1.7 V.
The half‑intensity angle is ± 60 degrees.