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