The SZNUP2105LT1G is a TVS (Transient Voltage Suppression) diode manufactured by ON Semiconductor. Below is a detailed introduction to the SZNUP2105LT1G TVS diode:
The PGB1010603MR is a TVS (Transient Voltage Suppression) diode manufactured by Littelfuse. Here is a detailed introduction to the PGB1010603MR TVS diode: