Toshiba Electronic Devices & Storage Corporation (https://toshiba.semicon-storage.com/ap-en/top.html) (“Toshiba”) has launched “TLP3475W (https://toshiba.semicon-storage.com/kr/semiconductor/product/isolators-solid-state-relays/photorelay-mosfet-output/detail.TLP3475W.html),” a photorelay in a small, thin WSON4 package. It reduces insertion loss and suppresses power attenuation in high-frequency signals [1] and is suitable for the pin electronics of semiconductor testers, which use a lar...