04 indicates 4 positions; 03.0 indicates a 3.81 mm (0.150") pitch; 01 indicates a specific tail length or configuration. L specifies 10 µ" (0.25 µm) Gold plating on the contact with Matte Tin on the tail; V indicates a vertical orientation. Samtec UPT Series, a terminal type within their High Power Systems, featuring a dual blade contact system and various pitches.