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HCPL0452 is listed in the Transistor, Photovoltaic Output Optoisolators range at ChipApex. The manufacturer field lists Fairchild Semiconductor. Its product description is OPTOISO 2.5KV 1CH TRANS 8-SOIC. Review the specifications below when checking this part for your BOM.
The HCPL-0452 is a single-channel high-speed diode-transistor optocoupler manufactured by Broadcom Limited (formerly Avago). It features a phototransistor output and operates within a temperature range of 0°C to +70°C. Key electrical parameters include a data rate of 1 Mb/s, an isolation voltage of 3750 Vrms, and a current transfer ratio of 27%. The device supports a maximum forward current of 16 mA with a forward voltage of 1.5 V, while the output can handle up to 8 mA. It is housed in an SOIC-8 surface-mount package.
Verify that the specific part number corresponds to the SOIC-8 surface-mount package variant rather than DIP or widebody configurations. Confirm RoHS compliance status as standard versions may not be compliant. Ensure the supplier provides official datasheets from Broadcom Limited to validate the 1 Mb/s data rate and 3750 Vrms isolation specifications before procurement.
Select this component when TTL-compatible logic isolation is required at speeds up to 1 Mb/s. The open-collector phototransistor output necessitates an external pull-up resistor for proper logic level translation. Consider the thermal dissipation limits of 100 mW and the operating temperature range of 0°C to +70°C for system integration.
This device belongs to the HCPL-045x family of single-channel high-speed optocouplers. It shares architectural similarities with the HCPL-0453 and HCPL-4502/4503 series, which also utilize the diode-transistor design for superior common-mode transient immunity compared to conventional phototransistor couplers.
Public confirmed substitute part numbers are not available in the provided documentation.
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