Features

• Vishay VSMB3940 Series IR Emitting Diodes. The VSMB3940 series, Vishay Semiconductors, are high speed Infrared (IR) emitting diodes. They have a surface mount (SMT) PLCC-2 package which uses double hetero (DH) technology. The VSMB3940 is ideal for applications such as IrDA compatible data transmission, miniature light barriers, photointerrupters, optical switch, shaft encoders and control and drive circuits.. Features of the VSMB3940 IR LEDs: PLCC-2 package Dimensions: 3.5 x 2.8 x 1.75 mm Peak wavelength: 940nm High reliability High radiant power Beam angle: 120° Low forward voltage