On my extruder controller board GEN3 Electronic from TechZone died MOSFET. On MOSFET I can see: 738 6-20 N6L. I don't find datasheet on this MOSFET. May I use standard NIF5003N instead of it?

[uk.farnell.com]

This is the one I used, I don't know what you mean by "standard". What ratings does it have?

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reprapworld.com
PLA, ABS, PETG multiple colors (3 and 1.75 mm) €16,49 / kg
Megatronics 3.0 €79.99 / Minitronics €37,19

I don't now what ratings have 738 6-20 N6L.
NIF5003N - 42 V, 14 A, Single N-Chanel, SOT-223 Self-Protected FET with Temperature and Current Limit

Looks OK to me

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reprapworld.com
PLA, ABS, PETG multiple colors (3 and 1.75 mm) €16,49 / kg
Megatronics 3.0 €79.99 / Minitronics €37,19