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The Traco Power TMSB 2-2143 is a compact, enclosed AC/DC power module designed for direct PCB mounting via through-hole technology. It operates with a universal input voltage range of 85–264 VAC, making it suitable for worldwide applications.
This model provides two regulated outputs: 3.3 VDC at up to 143 mA and 14 VDC at up to 70 mA, with a combined maximum output power of 2.2 Watts. It features constant power characteristics and is suitable for driving relays, solenoids, LEDs, and capacitive loads. The efficiency is rated at 70% at full load.
Key electrical specifications include a typical input current of 41 mA at full load and a no-load power consumption of less than 150 mW. The operating temperature range is –30°C to +70°C. The module includes short circuit and overload protection for enhanced reliability.
Packaged in a 7-DIP module, the TMSB 2-2143 has dimensions of 34.2mm x 28.4mm x 14.8mm. It is designed for applications requiring a universal input and dual regulated outputs, such as household appliances and ITE commercial equipment.
85-264 VAC or 120-370 VDC.
7-DIP Module, through-hole mounting.
-30°C to +70°C with derating.
2.2W maximum.
No minimum load is required.
4242 VAC input to output.
70% typical at full load.