155121-2010 is a miniature circular connector from ITT Cannon's MKJ Series, designed for reliable interconnect solutions in demanding environments. The connector features size 23 contacts with 0.076 inches (1.9 mm) spacing, supporting wire accommodation from #22 to #28 AWG with a maximum current rating of 5 Amps and voltage rating of 500 VAC RMS at sea level. It offers excellent electrical performance with insulation resistance of 5000 Megaohms minimum and contact resistance of 8 Milliohms maximum. The connector operates over a wide temperature range of -55°C to +150°C and provides EMI shielding effectiveness of 40dB attenuation from 100 MHz to 1000 MHz. Common applications include medical, military, commercial, and industrial equipment where robust, compact connectivity with high durability of 2,000 mated cycles is required.