L-KLS12-143-4P4C-W-1-01 MODULAR JACK THT R/A 4P4C (RJ9,RJ10,RJ22) BLACK The product L-KLS12-143-4P4C-W-1-01 (MODULAR JACK THT R/A 4P4C (RJ9,RJ10,RJ22) BLACK) is a high-quality modular jack designed for reliable connectivity. Manufactured by KLS ELECTRONIC, it features 4P4C (RJ9,RJ10,RJ22) positions and contacts, with 1 Port ports and a tab direction of Down. The LED color is None LED, and the contact finish includes Gold Plating for enhanced durability. With a Unshielding shielding design and a housing color of Black, this jack is built for performance and aesthetic compatibility. It operates within a temperature range of -40°C~+70°C and is available in BLISTER packaging. Compliant with ROHS standards, it is an excellent choice for modern electronic applications.