10 PCS TLP521-4GB SMD-16 TLP521-4 P521-4 SOP-16 PHOTOTRANSISTOR ; Item Number. 394828062362 ; UPC. Does not apply ; Accurate description. 4.9 ; Reasonable shipping ...
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10 PCS TLP521-4GB SOP-16 TLP521-4 GB SMD Optocoupler, Programmable Controllers AC/DC−Input Module Solid State Relay Chip IC · 5 pcs 3.7V 450mAh Lipo polymer ...
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Sep 25, 2002 · The TOSHIBA TLP521−1, −2 and −4 consist of a photo−transistor optically coupled to a gallium arsenide infrared emitting diode.