TSSP4038 Series IR Receivers. The TSSP4038 series, from Vishay Semiconductor, are a family of IR receiver modules for light barrier systems. These compact IR receivers are designed for sensor applications. The TSSP4038 devices are in side looking, through-hole packages. Their detection level does not differ when ambient light or strong IR signals are applied.. Features of the TSSP4038 IR receiver module: Side looking (SL) package Through-hole mounting Low supply current Photo detector and preamplifier in one Shielded against EMI IR filter supresses visible light