Taiyo Yuden Intros PAM250 Switch-Mode Power Supply

Taiyo Yuden USA Inc. (Schaumburg, IL) introduced the PAM250, the second model in its new PAM Series of passive PFC-based, switch-mode power supplies for 1U-height, single-output, medical OEM applications. Like its 150 W companion model (PAM150), the PAM250 provides economic benefits to OEMs through use of passive versus active PFC technology.

The PAM250 switcher meets all Class A PFC requirements, and provides reliability and high mean time between failure through use of fewer components. The relative cost per watt of a passive PFC switcher like the PAM250 is significantly less than a comparable switch-mode power supply employing active PFC techniques. The PAM250’s universal 115 Vac/230 Vac input is complemented by a single 250 W continuous power output with a single factory-set 12 V, 24 V or 48 V output range.

Current-sharing capability for 1+1 redundancy with no special interconnection requirement is offered as an option, as are remote on/off, and droop or single-wire current sharing with OR-ing diodes. The standard unit provides heat dissipation, but may be ordered with an optional fan with its own 12 Vdc supply. Other standard features include dc "OK"; ac power fail; and protection against overload, over-voltage, reverse voltage and thermal conditions.

The switcher measures 7 in x 4 in x 1.5 in, and comes with a two-year warranty. Pricing for the PAM250 is under $75 each in OEM quantities. Available now, delivery is stock to eight weeks ARO.