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The Cosel MMC75B-2-J is an open frame AC/DC converter with a chassis mount type, suitable for ITE (Commercial) applications. It provides three outputs: +5V, +15V, and -15V, with respective currents of 5.0A, 0.1A, and 0.1A. The unit operates with an input voltage range of 85-132 VAC or 110-170 VDC and has an efficiency of 75% at 100V AC input.
Key electrical specifications include line regulation of 20mV (max) for the +5V output and 60mV (max) for the +/-15V outputs. Load regulation is 60mV (max) for +5V and 150mV (max) for +/-15V outputs. Ripple noise is rated at 80mVp-p (max) for the +5V output and 120mVp-p (max) for the +/-15V outputs. The converter has a start-up time of 100ms (max) and a hold-up time of 15ms (typ).
Environmental specifications include an operating temperature range of 0°C to 65°C and an operating humidity range of 20-90% RH. Storage conditions range from -20°C to +75°C. The device meets safety regulations including UL60950-1, C-UL, and complies with DEN-AN and FCC-B conducted noise standards.
Mechanical dimensions are 193.0mm in length, 93.0mm in width, and 42.0mm in height. The MMC75B-2-J offers overcurrent protection that automatically recovers when the load exceeds 105% of rating. Isolation is rated at AC2,000V between input and output cases, AC500V between output and case, and AC100V between outputs.
The operating temperature range is 0°C to 65°C with derating.
It accepts 85-132VAC (47-440Hz) or 110-170VDC.
Outputs: +5V at 5A, +15V at 0.1A, and -15V at 0.1A.
Typical efficiency is 68% at full load with 100VAC input.
Overcurrent protection activates above 105% of rated output and recovers automatically.
Open frame chassis mount, dimensions 193.0mm x 93.0mm x 42.0mm.