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TLP521-4GB is listed in the Transistor, Photovoltaic Output Optoisolators range at ChipApex. The manufacturer field lists Isocom Components 2004 LTD. Its product description is OPTOISO 5.3KV 4CH TRANS 16-DIP. Review the specifications below when checking this part for your BOM.
The TLP521-4GB is a four-channel phototransistor optocoupler manufactured by Isocom Components. It features a 16-pin DIP package designed for through-hole mounting. The device provides electrical isolation with a rated voltage of 5300Vrms. It supports a maximum input current of 50mA and operates within a temperature range of -30°C to 100°C. Typical switching characteristics include a rise time of 4μs and a fall time of 3μs. The unit is UL certified for safety compliance.
Verify the specific suffix against manufacturer documentation to confirm pinout and electrical tolerances. Ensure the procurement source provides official datasheets confirming the 16-pin DIP form factor. Cross-reference the isolation voltage rating with system requirements before finalizing orders.
Select this component when multiple isolated signal paths are required in a single package. The four-channel architecture reduces board space compared to discrete units. Verify that the transistor output type matches the receiving circuit interface requirements.
This part belongs to the TLP521 series, which focuses on high-density mounting solutions. The four-channel variant consolidates multiple isolation barriers into one standard footprint, simplifying assembly processes for complex electronic designs requiring galvanic separation.
TLP521-4XGB is a confirmed substitute offering identical channel count and package dimensions.
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