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BUY P521-1 CY REPLACE TLP521-1 https://www.utsource.net/itm/p/11264895.html

TLP521-1 is an optocoupler manufactured by Toshiba. It is a 4-pin DIP package optocoupler with a phototransistor output. It is used for isolating and transferring signals between two circuits. Features: Isolation voltage: 5000Vrms High speed: 1.0渭s (typ.) Low input current: 0.5mA (max) Low output saturation voltage: 0.2V (max) High common mode transient immunity: 15kV/渭s (min) Applications: Isolation and transfer of signals between two circuits Power supply control Industrial equipment Computer peripherals Automotive electronics (For reference only)