The TEKT5400 series, from Vishay Semiconductor, are silicon NPN phototransistors. They are in side looking, through-hole packages. They have a black plastic package which provides a daylight filter, blocking out ambient visible light. The TEKT5400 phototransistors are ideal for use as detectors in electronic control and drive circuits.

• Package type: leaded
• Package form: side view lens
• Dimensions (L x W x H in mm): 5 x 2.65 x 5
• High radiant sensitivity
• Daylight blocking filter matched with 940 nm
emitters
• Fast response times
• Angle of half sensitivity: ϕ = ± 37°
• Package matched with IR emitter series TSKS5400S

• Detector in electronic control and drive circuits

IR Phototransistors, Vishay Semiconductor