The Positronic GMCT20M0E100J0 is a MIL-DTL-28748-qualified rectangular connector for rack and panel mounting in industrial, aerospace, and military environments. This heavy-duty connector delivers secure, stable connections through removable contacts with closed-entry female design, operating across -65°C to 150°C with 500 V AC working voltage and 2700 V AC flashover rating. The GMCT series meets MIL-DTL-28748/3 and /4, SAE AS 39029/34 and /35, IEC 807-7, and holds UL recognition (File No. E49351).
Technical Specifications
• Contact Options: Size 16 (13 A maximum) and Size 20 (7.5 A maximum); coaxial contacts with 50 Ω characteristic impedance
• Termination Methods: Crimp, solder cup, straight solder, right-angle solder cup, wrap post, press-fit, and shielded variants
• Electrical Performance: 500 V AC working voltage; 2700 V AC flashover; 1200–2000 V AC test voltage (size-dependent); 5 GΩ minimum insulation resistance; initial contact resistance 0.003–0.012 Ω (size and type dependent)
• Operating Range: -65°C to 150°C
• Mechanical Durability: 1000 mating cycles per IEC 512-5; 20 lbs [89 N] contact retention after 10 insertion/extraction cycles
• Jackscrew System: 8-32 UNC standard; metric M3 × 0.5 available on select variants
• Clearance and Creepage: 0.080 inch minimum [2.03 mm]
– Key Features
• Removable contacts with closed-entry female design for enhanced contact reliability
• Glass-filled thermoplastic insulators paired with gold-flashed copper-alloy contacts (0.000050 inch gold over copper on military variants)
• Aluminum shells with yellow or black anodize; stainless steel options available
• Comprehensive mounting, locking, and polarizing accessory portfolio
• Qualification to SAE AS 39029 contact standards
– Typical Applications
Rack and panel interconnects in aerospace, military, and industrial control systems requiring MIL-spec compliance and extended temperature performance.
– Compatibility & Integration
Fully compliant with MIL-DTL-28748, IEC 807-7, and SAE AS 39029 standards. UL recognized under File No. E49351.
