This part is a kind of semiconductor called 4609X-Apx-xxx.

Function of this product has (4600X Series) Thick Film Conformal SIPs.

Manufacturers : Bourns

Image and pinout :

Some of the text within the PDF file :

PL IA Features ■ ■ ■ ■ ■ NT RoHS compliant*) Low profile is compatible with DIPs Wide assortment of pin packages enhances design flexibility Ammo-pak packaging available Recommended for rosin flux and solvent clean or no clean flux processes *R oH S CO M ■ Marking on contrasting background for permanent identification 4600X Series - Thick Film Conformal SIPs Product Characteristics Resistance Range ..10 ohms to 10 megohms Maximum Operating Voltage..100 V Temperature Coefficient of Resistance 50 Ω to 2.2 MΩ±100 ppm/°C below 50 Ω ..±250 ppm/°C above 2.2 MΩ ..±250 ppm/°C TCR Tracking .50 ppm/°C maximum; equal values Resistor Toleranc [ ... ]

4609X-Apx-xxx PDF Datasheet Download