The Bourns 3296W-1-501LF with Trimmer Resistors is a through-hole 3/8 inch 500 ohm sealed vertical adjust component. This part is made using epoxy sealed plastic to protect the components from environmental contaminants. The resistance value is adjustable using a screwdriver or other tools, and is marked with the resistance value in ohms, which can easily be visible if the adjustment screw is left exposed. It is suitable for many applications, including RF circuits, audio filtering, and power supply regulation. Its features include excellent frequency and temperature stability, low off-resistance, and an adjustable resistance range from 100 ohms to 500 ohms.