Microminiature Circular Connectors

TE offers a variety of small circular connectors ranging in size from ultraminiature to near-double-density 38999 styles. Microminiature circular connectors are designed for rugged durability and space and weight savings. The range of families allows you to find the best choice to not only meet an application’s space constraints, but other needs for high-speed, rugged applications. High-performance connectors, designed to save space and meet the demands of harsh environments.


100,000 ft sealing altitude emersion


Up to 64 contacts for Wildcat


Up to 10 GbE for CeeLok FAS-T connectors

CeeLok FAS-T Nano circular connectors give you 10 Gb/s Ethernet connectivity in a nanominiature circular connector—pushing the limits of high-speed I/O to new levels of compact convenience, durability, and environmental sealing.
CeeLok FAS-T,
Product Catalog

Microminiature Circular Connector Specs

Sizes, Ratings, and Resistance

Circular Connector Specs CeeLok FAS-T Wildcat 38999
Description up to 10G speeds 38999 form factor design
Number of Contacts 8 11 to 64
Number of Shel Sizes 1 4
Temperature Rating (°C) -55 to +125 -65 to +200 (nickel & cadium)
Sealing IP Rating IP68 -
Sealing Altitude Imersion - 100,000'
Mating Cycles (Min) 250 500
Coupling Style Push-Pull, Threaded Threaded
Contact Style Pin & Socket Pin & Socket
Scoop Proof Yes Yes
Wire Size (AWG) 28 to 30 24 to 28
PCB Version Yes Yes
Shell Keying No Yes

Features: Microminiature Circular Connectors

High Speed and Rugged Design
  • High speed data transfer of up to 10 Gb/s
  • Space and weight savings
  • Flexible configurations
  • Extreme temperature, vibration and corrosion resistance
  • High volume mating cycles

Applications :

For Harsh Environments
  • Aerospace
  • Helicopters and Jets
  • Military Air Systems (missiles and rockets)
  • Military Ground Systems (tanks)
  • Military Communication and Computer Systems
  • Marine Systems (boats, ships, vessles)