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ILD251 is listed in the Transistor, Photovoltaic Output Optoisolators range at ChipApex. The manufacturer field lists Vishay Semiconductor Opto Division. Its product description is OPTOISOLATOR 5.3KV 2CH TRANS. Review the specifications below when checking this part for your BOM.
The ILD251 is a dual-channel optocoupler manufactured by Vishay Semiconductor Opto Division, featuring transistor outputs with bases. It provides an isolation voltage of 5300Vrms and supports AC or DC input types. The device operates within a temperature range of -55°C to 100°C and has a minimum current transfer ratio of 20%. Packaged in an industry-standard 8-DIP format for through-hole mounting, it includes built-in reverse polarity protection.
Verify component authenticity through authorized distributors. Confirm package type matches design requirements. Check datasheet for specific CTR grades. Ensure compliance with RoHS standards if applicable. Validate lead times against production schedules.
Select based on required channel count and isolation voltage. Consider CTR specifications for logic level compatibility. Evaluate thermal performance for high-temperature environments. Verify pinout compatibility with existing PCB layouts. Assess packaging options for assembly methods.
Part of the IL25x/ILD25x family offering single and dual-channel optocouplers. Shares common features like bidirectional inputs and DIP packaging. Differentiated by channel count and specific CTR ratings compared to siblings like IL250 or ILD250.
Public confirmed substitute part numbers are not available in the provided documentation. Consult manufacturer resources for direct equivalents.
The ILD251 supports an isolation voltage of 5300Vrms.
Yes, the device features a bidirectional input suitable for AC or DC signals.
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