Alternative Energy Applications for MS35 Inrush Current Limiters

solor-panel for energy efficiency

Application Overview

Solar panel farm in the desert

Solar panel farm in the desert

Ametherm’s MS35 series inrush current limiting thermistors play a key role in alternative energy applications by avoiding current spikes in the power generated by wind turbines, solar panels, and other sources as it’s fed into batteries, inverters, and other energy storage components.

The MS35 devices are also used to regulate the release of battery energy in electric vehicles and in pre-charge circuits for many different types of battery chargers.

MS35 Application Benefits

  • Help to protect capacitors and other downstream components from damage caused by sudden current spikes, which can dramatically shorten the life of batteries if not adequately controlled
  • Handle the same amount of energy as power resistors in a smaller package, saving valuable circuit board space
  • Provide simple one-component alternatives to using power resistors with timers and relays, reducing costs and greatly simplifying designs

Datasheets and Buy It Now Links

Datasheet
Link
R SSI
Max
Joules
Max
Max cap
120 vac
Max cap
240 vac
D Max
(mm)
T Nom
(mm)
Digikey Mouser Farnell
MS35 0R550 0.5 50 900 62,000 15,629 37 9 570-1023-ND 995-MS35-0R550 9006133
MS35 1R040 1 40 800 55,000 13,893 37 11 570-1025-ND 995-MS35-1R040 9006141
MS35 2R035 2 35 750 51,900 13,024 37 7 570-1027-ND 995-MS35-2R035 9006168
MS35 3R030 3 30 750 51,600 13,024 37 10 570-1028-ND 995-MS35-3R030 9006184
MS35 5R025 5 25 600 41,250 10,419 38 10 570-1029-ND 995-MS35-5R025
MS35 10018 10 18 500 34,000 8,683 37 11 570-1024-ND 995-MS35-10018 9006150
MS35 20010 20 10 500 34,000 8,683 37 11 570-1026-ND 995-MS35-20010 9006176


 

MS35 Technical Details

  • Capable of handling up to 900 joules of energy and steady-state currents from 10 A to 50 A
  • Resistance values from 0.5 Ω to 20 Ω
  • Dissipation constants from 78 mW/°C to 102.45 mW/°C
  • Thermal time constants from 65 s to 240 s
  • Body temperatures up to 235 °C at 100% of their maximum current rating
  • Maximum capacitance from 1000 µF to 1800 µF at 680 VAC
  • Featuring diameters of 37 mm and 38 mm and thickness down to 6.50 mm

 

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