3969959

Optimized for space-constrained applications, Phoenix Contact's 3969959 delivers breakthrough density in Terminal Blocks - Accessories solutions. This programmable module packs 40% more contacts per square inch than conventional designs without compromising signal integrity in millimeter-wave applications.The Test Terminal Strip configuration implements mezzanine-style interconnects that reduce signal path lengths by 60%, critical for maintaining phase coherence in phased array radar systems.The 20 arrangement enables true differential pair routing with controlled impedance matching within 5% tolerance for high-speed digital backplanes.Designed to interface with CLIPLINE RSCWE Series, this accessory supports 112G PAM4 signaling with less than 0.5dB insertion loss at 28GHz for next-gen satellite communications.Featuring Gray laser-marked identifiers, the housing provides permanent legibility after 500+ cleaning cycles in semiconductor fabrication cleanrooms.