Yes, we could help offering our customers one of these two alternatives for this obsolete part DMN5L06DMK-7 as MOSFET 2N-CH 50V 0.305A SOT-26 from
Diodes Incorporated with
UM6K34NTCN or UM6K33NTN as similar MOSFET 2N-CH 50V 0.2A UMT6 from our supplier Rohm Semiconductor.
Please review the datasheets to ensure the alternative will work for your application.