replace LNK419 by LNK409

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Dear sir,
Tell me please, is it possible to replace LNK419 by LNK409 in the scheme DER-286, without changing other components?
Thank you.

LNK419 for non-dimming and LNK409 for dimming application. Use the parts according to the recommended design for guaranteed application. To use LNK409 you need to match with 49.9k ohms R pin resistor.