2M Series Performance Specifications Materials and Finishes
Micro 38999
PERFORMANCE SPECIFICATIONS
Size #23 contact: 5 AMPS. Size #20 contact: 7.5 AMPS. Size #16 contact: 13 AMPS. Size #12 contact: 23 AMPS.
Current Rating (Maximum)
Size #23 contacts: 750 VAC RMS sea level, 400 VAC RMS 40,000 feet Size #20 contacts: 1000 VAC RMS sea level, 400 VAC RMS 40,000 feet Size #20HD contacts: 1000 VAC RMS sea level, 400 VAC RMS 40,000 feet Size #16 contacts: 1800 VAC RMS sea level, 1000 VAC RMS 40,000 feet Size #12 contacts: 1800 VAC RMS sea level, 1000 VAC RMS 40,000 feet
Test Voltage (Dielectric Withstanding Voltage) Mated Connectors
Insulation Resistance 5000 megohms minimum
Size #23 contact: 73 millivolt drop at 5 AMPS. test current Size #20 contact: 55 millivolt drop at 7.5 AMPS. test current Size #16 contact: 49 millivolt drop at 13 AMPS. test current Size #12 contact: 42 millivolt drop at 23 AMPS. test current
Contact Resistance
Operating Temperature -65° C. to +175° C. Immersion, Mated 1 meter water immersion for 1 hour (2M803 Series splash proof only) Magnetic Permeability 2.0 μ maximum
MATERIALS AND FINISHES Aluminum Shell, Barrel, and Coupling Nut Aluminum alloy 6061 T6 Stainless Steel Shell, Barrel Coupling Nut Passivated Stainless Steel, 200° C
Front and Rear Inserts Polyphenylene Sulfide (PPS) Contact Retention Clip Beryllium copper, heat-treated
Grommet, Peripheral Seal and Interfacial Seal Fluorosilicone Rubber Contacts Gold Plated Copper alloy Socket Contact Hood Passivated Stainless steel Adhesives Various Epoxies & RTV's Potting Compound, PCB and Solder Cup Versions High Strength Epoxy
Please refer to the comprehensive 2M Series Product Specification for additional parameters and test methods. Filter and Hermetic designs have different specifications. (Please refer to individual sections)
B 21
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Contact Amphenol Aerospace for more information at 800-678-0141 • www.amphenol-aerospace.com
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