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The Astrodyne TDI MMK40S-12 is a medical-grade, 40-watt enclosed switching power supply suitable for a wide range of global applications due to its universal input voltage range of 90-264 VAC. This power supply offers a regulated 12VDC output with a current rating of 3.5A, delivering a total of 40W of power.
Key electrical specifications include an efficiency of 80% typical and high isolation ratings of 5656 VDC (input to output), 2121 VDC (input to ground), and 707 VDC (output to ground). It operates within a temperature range of 0°C to +60°C and features protections such as over-voltage and short-circuit with auto-recovery.
The unit is constructed in an enclosed form factor with dimensions of 4.75" x 2.5" x 1.5" (120.7mm x 63.5mm x 38.1mm), making it suitable for chassis mounting in space-constrained designs. It also includes full EMI filtering to minimize electromagnetic interference, ensuring reliable operation in sensitive medical equipment.
Safety approvals include UL/cUL, CSA, UL-EU, CB, and CE, adhering to standards like IEC 60601-1 and EN 60601-1-2, underscoring its suitability for medical device integration.
The input voltage range is 90-264 VAC nominal (110-240 VAC nominal).
The output is 12 VDC at 3.5 A.
The operating temperature range is 0°C to +60°C.
The isolation voltage is 5656 VDC.
The typical efficiency is 80%.
It includes over voltage protection (145% max auto-recovery) and short circuit protection (auto-recovery).
The package is enclosed with chassis mount.