This part is a kind of semiconductor called P1812.

Function of this product has Surface Mount Power Inductors.

Manufacturers : API Delevan

Image and pinout :

Some of the text within the PDF file :

NU MB ER Series P1812 Surface Mount Power Inductors PA RT SERIES P1812 P1812-102K P1812-122K P1812-152K P1812-182K P1812-222K P1812-272K P1812-332K P1812-392K P1812-472K P1812-562K P1812-682K P1812-822K P1812-103K P1812-123K P1812-153K P1812-183K P1812-223K P1812-273K P1812-333K P1812-393K P1812-473K P1812-563K P1812-683K P1812-823K P1812-104K P1812-124K P1812-154K P1812-184K P1812-224K P1812-274K P1812-334K 1.0 1.2 1.5 1.8 2.2 2.7 3.3 3.9 4.7 5.6 6.8 8.2 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 220 270 330 0.113 0.199 0.222 0.240 0.268 0.288 0.323 0.347 0.401 0.437 0.472 0.548 0.608 0.670 0.780 0.875 1.200 1.404 1.578 1.848 2.064 2.268 3.408 3.648 4.320 6.000 6.432 8.400 9.680 12.720 15.240 1050 1000 950 900 850 800 750 700 650 650 600 600 550 550 450 400 [ ... ]

P1812 PDF Datasheet Download