{"id":72052,"date":"2026-06-05T15:54:37","date_gmt":"2026-06-05T07:54:37","guid":{"rendered":"https:\/\/www.scondar.com\/?p=72052"},"modified":"2026-07-03T15:56:52","modified_gmt":"2026-07-03T07:56:52","slug":"industrial-ethernet-connectors-selecting-the-right-wire-to-board-solution-for-network-equipment","status":"publish","type":"post","link":"https:\/\/www.scondar.com\/ru\/2026\/06\/05\/industrial-ethernet-connectors-selecting-the-right-wire-to-board-solution-for-network-equipment\/","title":{"rendered":"Industrial Ethernet Connectors: Selecting the Right Wire-to-Board Solution for Network Equipment"},"content":{"rendered":"

Application Context & Design Challenge<\/b><\/strong><\/h2>\n

Industrial Ethernet equipment \u2014 including managed switches, routers, and gateway modules \u2014 demands interconnect solutions that balance three often-competing requirements: reliable signal integrity at PCB level, adequate current delivery for PoE (Power over Ethernet) or auxiliary power rails, and long-term durability in environments with elevated temperature and vibration. Designers evaluating connector alternatives for these applications frequently face a recurring trade-off between pitch size, current capacity, and mating security.<\/p>\n

In our application engineering team’s experience supporting industrial automation manufacturers, two connector categories consistently surface in network equipment design-in projects: compact 3.0mm-pitch power connectors for auxiliary supply rails, and 2.5mm\u20132.54mm-pitch signal connectors for board-level I\/O. SCONDAR’s SCT3001 series and SCT2504 series address these two distinct requirements respectively, both offering footprint-compatible alternatives to recognized brand standards at a compelling total cost of ownership.<\/p>\n

For industrial Ethernet switch and router applications requiring reliable PCB-level power delivery, we recommend SCONDAR SCT3001<\/strong>\u00a0as the primary interconnect solution.<\/p>\n

For signal-level board connections in network communication equipment, SCONDAR SCT2504 (2.5mm pitch, friction-lock) and SCT25414 (2.54mm pitch, polarized shroud) are well-suited companion products in mixed-density board designs.<\/p>\n

Technical Specification Overview<\/b><\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/strong><\/td>\nSCONDAR SCT3001<\/strong><\/td>\nSCONDAR SCT2504<\/strong><\/td>\nSCONDAR SCT25414<\/strong><\/td>\n<\/tr>\n
Compatible Original<\/td>\nMicro-Fit<\/td>\nJAE IL-G<\/td>\nSamtec Mini Mate<\/td>\n<\/tr>\n
\u041a\u043e\u043d\u0442\u0430\u043a\u0442\u043d\u0430\u044f \u043f\u043b\u043e\u0449\u0430\u0434\u043a\u0430<\/td>\n3.0 mm<\/td>\n2,5 \u043c\u043c<\/td>\n2.54 mm<\/td>\n<\/tr>\n
\u041d\u043e\u043c\u0438\u043d\u0430\u043b\u044c\u043d\u044b\u0439 \u0442\u043e\u043a<\/td>\n5 A AC\/DC<\/td>\n3 A<\/td>\n3 A<\/td>\n<\/tr>\n
\u041d\u043e\u043c\u0438\u043d\u0430\u043b\u044c\u043d\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435<\/td>\n250 V<\/td>\n250 V<\/td>\n1000 V<\/td>\n<\/tr>\n
Operating Temp.<\/td>\n-40\u00b0C ~ +105\u00b0C<\/td>\n-25\u00b0C ~ +85\u00b0C<\/td>\n-25\u00b0C ~ +85\u00b0C<\/td>\n<\/tr>\n
\u0421\u043e\u043f\u0440\u043e\u0442\u0438\u0432\u043b\u0435\u043d\u0438\u0435 \u043a\u043e\u043d\u0442\u0430\u043a\u0442\u043e\u0432<\/td>\n10 m\u03a9 Max<\/td>\n20 m\u03a9 Max<\/td>\n20 m\u03a9 Max<\/td>\n<\/tr>\n
Insulation Resistance<\/td>\n1000 M\u03a9 Min<\/td>\n1000 M\u03a9 Min<\/td>\n1000 M\u03a9 Min<\/td>\n<\/tr>\n
\u0412\u044b\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435<\/td>\n1500 V AC\/min<\/td>\n1000 V AC\/min<\/td>\n1000 V AC\/min<\/td>\n<\/tr>\n
No. of Circuits<\/td>\n1\u201312; Dual-row 2\u00d71 to 2\u00d712<\/td>\n2\u201316 positions<\/td>\n2\u201325; Dual-row 2\u00d72 to 2\u00d725<\/td>\n<\/tr>\n
Wire Range (AWG)<\/td>\n#22 \u2013 #28<\/td>\n#22 \u2013 #28<\/td>\n#20 \u2013 #24<\/td>\n<\/tr>\n
\u0421\u0442\u0438\u043b\u044c \u0437\u0430\u0434\u0435\u043b\u043a\u0438<\/td>\nCrimp<\/td>\nCrimp<\/td>\nCrimp<\/td>\n<\/tr>\n
\u041c\u0435\u0445\u0430\u043d\u0438\u0437\u043c \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u043a\u0438<\/td>\nFriction Lock<\/td>\nFriction Lock<\/td>\nMetal or Plastic Latch<\/td>\n<\/tr>\n
Keying \/ Polarization<\/td>\nAnti-misinsertion design<\/td>\nAnti-misinsertion key<\/td>\nPolarized & Keyed shroud<\/td>\n<\/tr>\n
Housing Material<\/td>\nPA66 UL94V-0 (Halogen-free)<\/td>\nPA66 UL94V-0<\/td>\nPA66 UL94V-0<\/td>\n<\/tr>\n
Terminal Material<\/td>\nPhosphor Bronze, Gold\/Tin plating<\/td>\nPhosphor Bronze, Tin plating<\/td>\nPhosphor Bronze, Tin plating<\/td>\n<\/tr>\n
\u0421\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u044b<\/td>\nISO 9001:2015 \/ RoHS \/ REACH<\/td>\nISO 9001:2015 \/ RoHS \/ REACH<\/td>\nISO 9001:2015 \/ RoHS \/ REACH<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Design-In Considerations: Mechanical & Process<\/b><\/strong><\/h2>\n

Pitch-to-AWG Matching for Network Equipment Boards<\/b><\/strong><\/h3>\n

A common oversight in network hardware design is mismatching connector pitch with wire gauge. The SCT3001’s 3.0mm pitch supports AWG #22\u2013#28, accommodating both heavier-gauge power wires (for 5A supply rails) and finer signal wires. This flexibility simplifies cable harness routing in compact switch enclosures where multiple power and signal circuits share limited cross-section. For the SCT2504 at 2.5mm pitch, the same AWG range applies, but designers should verify that crimp height settings on automated termination equipment are adjusted specifically for the 2.5mm pitch housing to maintain consistent pull-out force across production runs.<\/p>\n

Crimp Termination Quality Assurance<\/b><\/strong><\/h3>\n

Both the SCT3001 and SCT2504 use a crimp-style termination. In our manufacturing validation lab, crimp height and pull-out force are monitored on every batch using calibrated tensile testing equipment. For network equipment manufacturers, we recommend the following process checkpoints:<\/p>\n