Ulti-Mate Connector

Ulti-Mate Connector, Inc. has been producing world-class Micro-miniature connectors and interconnect solutions since 1977. Their expertise in the design and production of customized solutions to the most demanding customer requirements has made Ulti-Mate a valued supplier to the OEM Marketplace.

Ulti-Mate specializes in serving the unique interconnect needs of military, space, aviation, medical, and geophysical exploration marketplaces. Innovation and quality has placed Ulti-Mate connectors in many of our country’s most advanced missile systems, manned space and satellite vehicles, and guidance and navigation systems. Ulti-Mate has a long history of meeting the rigorous specifications of invasive and noninvasive medical imaging, patient monitoring and measured drug delivery markets.

Circular Series - RQ Plug

This Push-Pull quick disconnect family provides all the advantages of circular connectors; ease of coupling, round cable bundle form, ease of panel mounting and space efficiency.

Shell Size A Max. B Max. C Ref.
1 .500 .300 .770
2 .610 .410 .755
3 .760 .760 .760

Shell Size D Max. No. of Contacts
1 .770 7 or 9
2 .755 19
3 .760 37
Contact Resistance 8 mO Maximum @ 2.5 A
Current Rating 3.0 A Maximum
Dielectric Withstanding Voltage 900 VAC at sea level, 300 VAC @ 70,000 ft. Solder cups and shielded cable same as MIL-DTL-83513; 600 VAC at sea level 150VAC @ 70,000 ft.
Insulation Resistance 5,000 MO Minimum

Contact Engaging and Separating Forces

6 oz. max per MIL-DTL-83513 (contact average is 3 oz.); Separation force is 5.0 oz. minimum.

Contact Mating and Unmating Forces per MIL-DTL-83513

Mate = 10 oz. X number of contacts maximum. Unmate = 10.5 oz. X number of contacts minimum.

Shock and Vibration

Vibration No damage or interruption detected (one microsecond sensitivity) when subjected to Method 2005, Test Condition IV of MIL-STD-1344.
Shock No damage or interruption detected (one microsecond sensitivity) when subjected to Test Condition E. Method 2004 of MIL-STD-1344.
Durability No mechanical defects after 500 matings; Test criteria are mating force, contact resistance, contact engagement, and separation forces.
Salt Spray No exposure of base metal due to corrosion; no loss of performance as in durability above.

Materials and Finishes

Pin Contacts Beryllium Copper (C17200) per ASTM B194.
Socket Contacts Copper alloy (C21000) per ASTM B36 or leaded commercial bronze (C314000) per ASTM B140.
Contact Plating Gold plated per MIL-DTL-45204D. 50 microinches min. is the standard thickness.
Metal Shells Brass or Stainless Steel.
Insulator Material Preferred material is Polyphenylene sulfide (PPS) per MIL-M-24519 or ASTM D5927 GST 40F. Color Black.
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