2 Pin Screw Type PCB Terminal Block - 3.8mm Pitch ZB128 3.9E This is the TLP626-4 Photo

This is the TLP626-4 Photo IC Photocoupler manufactured by Toshiba

thermal resistant lead and so on

A3120 is an IGBT gate drive optocoupler with 2

These are Carbon Film Resistor with a value of 680 ohm 1/2W and tolerance of ±5%

2 Pin Screw Type PCB Terminal Block - 3.8mm Pitch ZB128 3.9E This is the TLP626-4 PhotoThis 2 Pin Screw Type PCB Terminal Block 3. 8mm Pitch ZB128 is a Pluggable Screw Terminal Block with a compact and versatile design. It finds its use in connecting wires to the PCB. Due to its small size, the terminal block connects two conductors on a PCB, where space is a concern. Wires ranging from 26 to 16 AWG can be screwed into this ZB128 2 Pin PCB Mount Screw terminal block. These terminal blocks have a 150V voltage rating and a current rating