There are regulations applying to the isolation of the primary circuit and secondary circuit in sets incorporating photocouplers (power supplies, FA devices, etc.). The photocoupler accomplishes this isolation function. Therefore, if the photocouplers meet these regulations the sets themselves may be exempted from the relevant qualification tests. This is why Renesas Electronics has developed photocouplers to meet these overseas safety regulations.
The status of each of Renesas Electronics' photocoupler and optical MOSFET product in terms of meeting overseas safety regulations can be checked at the following URLs.[Photocouplers]
[Optical MOS FETs]
|Optical Storage Devices|
|Photocouplers / Optocouplers|
|Solid State Relays (OCMOS FETs)|