Astrodyne Releases Medical & Industrial Grade Open-Frame AC-DC Switching Supplies

Astrodyne Corp. has expanded its EFM series of ultra-miniature open frame modular switching power supplies for EMC noise compliance to EN55022, Class B. Designed for both medical (EFM30/M) instrumentation, and commercial grade (EFM30) industrial control and telecommunication systems, this new series of ac-dc switching power supplies is designed to meet the power and EMC noise performance requirements of a wide range of applications.

The new EFM30 and EFM30/M series are said to be pinout and size compatible with more costly encapsulated modules. All models accept universal input from 90-264Vac while 11 models provide output power of 30W with single, dual and triple outputs from 5 to 48Vdc. The EFM series features an integral power-good LED indicator and output adjustment potentiometer and will operate over the ambient temperature range of -10 to 50°C without forced cooling or output power derating.

All models contain overvoltage and short circuit protection circuitry, and internal input filtering. The EFM30/M series is fully approved to UL/EN60601-1 medical safety specifications, while The EFM30 series is fully approved to UL/EN60950-1 commercial industrial specifications. The unit’s dimensions are as small as 3.41 X 2.36 X 0.93"H. All models are RoHS 2002/95/EC compliant and designed for PCB plug-in mounting.

Prices start at $30 and $35 in OEM quantities for the commercial and medical versions, respectively. Delivery is Stock to 6 weeks ARO.