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 Receptacle
The RQ Receptacle is available in front or rear panel mount configurations.
It provides all the advantages of circular connectors; ease of coupling, round
Rear Mount
Shell Size |
A Max. |
B Max. |
C Max. |
D Max. |
E Max. |
F Max. |
1 |
.605 |
.435 |
.418 |
.485 |
.330 |
.080 |
2 |
.655 |
.460 |
.480 |
.510 |
.345 |
.095 |
3 |
.885 |
745 |
.725 |
.490 |
0300 |
.050 |
Front Mount
Shell Size |
A Max. |
B Max. |
C Max. |
D Max. |
1 |
.510 |
.510 |
.360 |
.495 |
2 |
.575 |
.565 |
.480 |
.510 |
3 |
.855 |
.850 |
.735 |
.495 |
Front Panel Mount Cutouts
Shell Size |
A +/- .005 |
B Dia. |
1 |
.364 |
.390 |
2 |
.475 |
.515 |
3 |
.729 |
.755 |
Rear Panel Cutouts
Shell Size |
A +/- .005 |
B Dia. |
1 |
.425 |
.440 |
2 |
.535 |
.564 |
3 |
.729 |
.755 |
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. |