1. General Overview:

️· Product: MTC-E1 Series, 15-Watt AC-DC Power Supplies
️· Manufacturer: Archcorp
️· Applications: Designed for medical applications (based on the safety approvals and EMC standards).
️· Documentation Version: Version B3, Updated in 1998.
️· Website: [http://www.archcorp.com.tw](http://www.archcorp.com.tw)
️· Contact: +886-2-26989508 / +886-2-26981319

2. Technical Specifications:

️· Input Voltage: Not explicitly stated but implied to be AC.
️· Output Power: 15 Watts
️· Safety Approvals: UL60601-1, IEC60601-1, cUL, UL, CB
️· EMC Compliance: EN 55011 (Class B), EN60601-1-2 (immunity standards)
️· Cooling: Free air convection.
️· Dimensions: 64.0 x 45.6 x 23.5 mm (tolerance ±0.5 mm)
️· Case Material: Plastic resin + Fiberglass (UL 94V-0 flame retardant)
️· Weight: 120g
️· Ripple & Noise: Measured at 20MHz bandwidth with 0.1μF & 47μF capacitor.
️· Derating: Information about derating power output under different conditions is present (although the specifics are not completely visible in the provided images).

3. Pinout Configurations (for different versions - Single, Dual, Triple Output):

The documents detail three different pinouts, indicated by "MTC-E1-A2", "MTC-E1-A3", "MTC-E1-A4","MTC-E1-A5","MTC-E1-A6","MTC-E1-A7". Here's a summary of the pin assignments; be mindful that not all pin names apply to all output configurations:

️· Pin 1 & 3: AC IN (L) or AC IN (N). These are the AC input pins.
️· Pin 2: NO CONNECT (in some configurations).
️· Pin 4: NO CONNECT (in some configurations). Common is on some configuration.
️· Pin 5: -DC OUT (or -DC OUT, or +5V OUT in single)
️· Pin 6: NO CONNECT (or Common, or -DC OUT in some)
️· Pin 7: +DC OUT (or +DC OUT, or Common in some)
️· Pin 8: NO CONNECT (or NO CONNECT, or +DC OUT in some)

Key Points Regarding Pinout:

️· The "NO CONNECT" pins indicate that those pins should not be connected to anything.
️· The names of the output voltages (-DC OUT, +5V OUT, Common) will vary depending on whether you're using the Single, Dual, or Triple output version. Always refer to the specific pinout diagram for your version.
️· Important: Be extremely careful to use the correct pinout diagram for the specific MTC-E1 model you are working with. Incorrect wiring can damage the power supply or the connected equipment.

4. Block Diagram & Derating Information:

These diagrams are included (although not fully legible) and show the internal architecture of the power supply and illustrate derating curves. The details are not extractable from the image.

5. Other Considerations:

️· The documentation is quite dated (1998). Newer versions of the power supply likely exist with improved features and specifications.
️· The diagrams use older terminology and design conventions.