• RS Stock No. 435-869
  • Brand RS Pro
RS Pro
RS Pro 12.5W Desktop Power Supply, 100 → 240 V ac, 5V dc 2.5A Output Level IV 1 Output, 2-Pin UK, 3-Pin UK
Product Details

Single Output Switch Mode Desktop Power Supply - SAW Series

10W to 60W switch mode single output desktop power supply with regulated output and short circuit, over-voltage and over-current protection. This range of switch mode single output desktop power supplies includes versions that are suitable for use as either a laptop power supply, netbook power supply or notebook power supply.

External switch mode desk-top power supply
ErP - efficiency mark IV or V
Energy saving power supply
No load power consumption ≤0.5W
Compact & lightweight
Class II - double insulated
Regulated output
Short circuit, over-voltage and over-current protection
EMC compliance to EN 55022 Class B, FCC Class B
1.8 metre (approx.) output lead with 2.1x5.5x12mm centre positive output connector
2-pin IEC320 C8 input socket, input lead available separately, for suitable leads see accessories link


Conforms to Energy-related Product Directive 2009/125/EC.
And the Non Compliant types are for Industrial Use Only, not in scope of Regulation (EC) No 125/2009.

1) All power supplies in this range are CEC compliant at 115Vac except stock no's; 435-936, 435-932, 436-052, 436-064. Models which are CEC compliant at 230Vac are stock no's; 436-131, 436-080, 436-086, 436-096, 436-109, 435-948, 435-942, 436-115, 436-002.
2) Power derates above 40°C.
3) MTBF to MIL-HDBK-217F (25°C).


TUV/GS, PSE, UL/cUL recognised (9Vdc 54W & 12Vdc 60W do not have UL approval), SAA (except SAW36, SAW40 & SAW60 series), CCC (except SAW18, SAW36, SAW40 & SAW60 series).
SAW40 TUV/GS only


EN 60950

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Input Voltage Range100 → 240 V ac
Output Voltage Rating5 V dc
Output Current Range2.5A
Rated Output Power12.5W
Input ConnectorIEC320-C8
Output Connection Type2.1 x 5.5 x 12 mm Centre Positive
Number of Outputs1
Plug Type2-Pin UK, 3-Pin UK
Regulator TypeSwitched Mode Power Supply
Ripple And Noise200mV
Line Regulation Range±2%
Load Regulation Range±5%
ApplicationLaptop, Netbook or Notebook
Maximum Input Current500mA
Overall Length77.5mm
Holdup Time8 ms @ 120 V ac
Special FeaturesBi-Colour LED For Charging Indication, Compact & Lightweight, Double Insulated
Standards MetCCC, CE, FCC, PSE, RoHS Compliant, SAA, TUV/GS, UL/cUL
Overall Dimensions77.5 x 45 x 26mm
Minimum Temperature0°C
Operating Temperature Range0 → +35 °C
Mounting TypeDesktop
Energy Efficiency LevelIV
Input Frequency Range50 → 60Hz
Cable Length1800mm
Power Signal Conversion TypeAC-DC
Overall Depth26mm
Overall Width45mm
Maximum Temperature+35°C
Protection FeaturesOver Current Protection, Over Voltage Protection, Short Circuit Protection
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Discontinued product
RS Pro 12.5W Desktop Power Supply, 100 → 240 V ac, 5V 2.5A Output 1 Output
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Technical Reference
  • RS Components

    Statement of conformity

    The product detailed below complies with the specifications published by RS Components. Where applicable it provides assurance that electrostatic discharge sensitive devices have been handled and packed under conditions that meet the administrative and technical requirements of the ANSI/ESD S20.20:2014 and BS EN 61340-5-1:2007 Electrostatic Control Standards.
    RS Stock No. 435-869
    Description RS Pro 12.5W Desktop Power Supply, 100 → 240 V ac, 5V dc 2.5A Output Level IV 1 Output, 2-Pin UK, 3-Pin UK
    Manufacturer/Brand: RS Pro
    Mfr. Part No. SAW12.5-05.0-2500
    The foregoing information relates to product sold on, or after, the date shown below.
    Date Dec 17, 2017
    RS Components Ltd, Birchington Road, Corby, Northamptonshire, NN17 9RS, UK
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