2 Pin Screw Type PCB Terminal Block - 3.8mm Pitch ZB128 3.9E 2 V (@ TC =

2 V (@ TC = 25°C)

The resistance between the outer two pins is always 200 ohm

thermal resistant lead and so on

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

This is a - SMD Resistor with a resistance of 120 ohm (120E)

2 Pin Screw Type PCB Terminal Block - 3.8mm Pitch ZB128 3.9E 2 V (@ TC =This 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