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MIL STD 790 Certification

AS9100 Certified

AS9100 Certification

We manufacture and distribute electrical connectors:

Military Connectors
iso9002-certificationAerospace Connectors
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HMI Lighting Connectors
Solar Connectors
Robotics/ Industrial Connectors
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Special Applications




Amphenol Tri-Start Subminiature Cylindrical Connectors
MIL-DTL-38999 Series III

Amphenol ® Tri-Start MIL-DTL-38999* Series III Connectors offer the highest performance capabilities for both general duty and severe environment applications. Meeting or exceeding MIL-DTL-38999 Series III requirements, the Tri-Start connector with standard metal shells (aluminum or stainless steel with several finish options) offers these features:

EMI Shielding - solid metal to metal coupling, grounding fingers, electroless nickel plating, and thicker wall sections provide superior EMI shielding capability of 65dB minimum at 10 GHz
Contact Protection - recessed pins in this 100% scoopproof connector minimize potential contact damage
Moisture Resistance - improved interfacial seal design helps prevent electrolytic erosion of contacts
Corrosion Resistance - shells of stainless steel or cadmium over nickel plating withstand a 500 hour salt spray exposure
Vibration/Shock - operates under severe high temperature vibration, through 200C
Firewall Capability - available in a stainless steel shell, class RK, RS
Lockwiring Eliminated - unique, self-locking, quick coupling connector eliminates lockwiring
Quick Coupling - completely mates and self-locks in a 360 turn of the coupling nut
Inventory Support Commonality - uses standard MILDTL-38999 contacts, application tools, insert arrangements
Electrostatic Discharge Protection (ESD) - protection for sensitive circuitry without diodes, varistors, etc., with the use of the Faraday Cage principal which shunts high voltage, high current discharge events (see page 51)
Ground Plane Connectors - with metallic insert for
common grounding of coax, triax or twinax contact outer

MIL-Qualified to MIL-DTL-38999, Rev. K, the Amphenol ® Composite Tri-Start Connector offers a lightweight, corrosion resistant connector with the same high performance features as its metal counterpart. The Composite Tri-Start Connector also includes the following features:

Lightweight - 17% – 70% weight savings (17–40% weight savings vs. aluminum), (60–70% weight savings vs. stainless steel)
Corrosion Resistance - available in standard MILDTL-38999 olive drab cadmium (175C) and electroless nickel plating (200C), both withstanding 2000 hours of salt spray exposure. The base material is able to withstand an indefinite exposure to salt spray.
Durability - 1500 couplings minimum (in reference to connector couplings, not contacts)
Extended Life Contact - Mil-approved plating process which provides 1500 couplings minimum. The latest offering from Amphenol in MIL-DTL-38999, the CLUTCH-LOK connector offers:

All advantages of stainless steel/Class K firewall Tri-Start connectors plus a unique clutch design that actually tightens itself under vibration. Features include:

High degree of differential torque
No settling back to the next ratchet tooth
Completely intermateable with all existing MIL-DTL-38999 Series III connectors
Offers advantage in inaccessible, hard to reach areas where mating torque is difficult to apply and complete coupling is not verifiable by inspection.

Tri-StartTM MIL-DTL-38999 Series III
with Metal Shells - Aluminum, Stainless Steel, Class K Firewall

Composite Tri-Start,
Qualified to MIL-DTL-38999, Rev. J

High Vibration Connector

| Overview | Features and Options | PDF Catalog |

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