TDK-Lambda, 50W Embedded Switch Mode Power Supply SMPS, 3.3V dc, Enclosed

  • RS Stock No. 813-9036
  • Mfr. Part No. HWS50A-3/A
  • Manufacturer TDK-Lambda
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): MY
Product Details

15W to 1500W Single Output Industrial Power Supplies HWS-A Series

The TDK-Lambda HWS-A series of AC-DC power supplies, comprises five models rated from 15-150W. A significant upgrade of the established HWS series, which is still compatible with the new HWS-A series to enable easy upgrade. This switch mode power supply is up to 12% lighter compare to the previous series and features up to 91% efficiency and a very low power consumption at no load, contributing to a reduction in environmental impact. The HWS-A power supplies operate from a universal input of 85-265Vac, The 50, 100 and 150W models include active power factor correction, the operating temperature of the HWS-A models range from -10 to +50°C at full load and up to 70°C with appropriate derating. Typical industrial applications of these switch mode power supplies include equipment used for factory automation, process control, LED display and signage, test and measurement, broadcast and communications.

High efficiency up to 91%
Wide range AC input
Low cost
Easy system cooling
Supports global use
Limited Life time warranty


Only the products with the suffix A at the end of the part number have a cover fitted, the others are open frame.


EN55011/EN55022, FCC and VCCI curve B


UL/CSA/EN 60950-1 and UL508 (with cover)

Attribute Value
Output Voltage 3.3 V dc
Output Current 10A
Power Rating 50W
Number of Outputs 1
Input Voltage 85 → 265 V ac, 120 → 370 V dc
Mounting Type Chassis Mount
Package Type Enclosed
Length 82mm
Width 26.5mm
Depth 120mm
Weight 280g
Efficiency 87%
Maximum Temperature +50°C
Minimum Temperature -10°C
2 In stock for delivery within 7 working day(s) (Global Stock)
Price (ex. GST) Each
$ 144.17
(exc. GST)
$ 158.59
(inc. GST)
Per unit
1 - 4
5 - 9
10 - 24
25 - 49
50 +
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