Trim Pots Come In Sealed Packages

The ST-2 series of surface-mount, single-turn trimming potentiometers are sealed against immersion and other board-washing processes by an o-ring seal between the rotor and housing, and can withstand peak reflow cycle temperatures up to 255º C. The resistance range is 100 O to 1 MO with a power rating of 0.1 W at 70° C. The devices measure 2.4 mm x 2.8 mm x 1.7 mm, and are rated for the temperature range of -55° to +125° C. Precious metal contacts allow excellent resistance setting stability in low current applications. Price is $2.35 each/500.