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MS35/MS32/MS22 MegaSurge Inrush Current Limiters


Ametherm current limiters with an economical and space-saving design


Ametherm's MegaSurge Inrush Current LimitersAmetherm's MegaSurge inrush current limiters are rugged. These devices are specially designed to withstand up to 50A of steady state current and 900J of input energy. MegaSurge inrush current limiters offer an economical, and space-saving solution for limiting high inrush currents.

Inrush current limiters are among the most common design options used in switching power supplies to prevent damage caused by inrush current surges.

Applications
  • AC motors
  • Frequency generators
  • Power supplies
  • Motor drives
  • Plasma cutting tools
  • MRI machines
  • Audio amplifiers
  • Toroidal transformers
  • Battery chargers
RoHS Compliant
  • MS35 Series
  • MS32 Series
  • MS22 Series

Digi-Key P/N Manufacturers P/N R@25°C
(Ω)
Max SSI
(A)
Max Joules
(J)
R hot
(Ω)
Diameter
(mm)
 
570-1023-ND MS35 0R550 0.5 50.0 900.0 0.008 35 Datasheet
570-1024-ND MS35 10018 10.0 18.0 500.0 0.050 35 Datasheet
570-1025-ND MS35 1R040 1.0 40.0 800.0 0.012 35 Datasheet
570-1026-ND MS35 20010 20.0 10.0 500.0 0.100 35 Datasheet
570-1027-ND MS35 2R035 2.0 35.0 750.0 0.020 35 Datasheet
570-1028-ND MS35 3R030 3.0 30.0 750.0 0.030 35 Datasheet
570-1029-ND MS35 5R025 5.0 25.0 600.0 0.030 35 Datasheet

Digi-Key P/N Manufacturers P/N R@25°C
(Ω)
Max SSI
(A)
Max Joules
(J)
R hot
(Ω)
Diameter
(mm)
 
570-1013-ND MS32 0R540 0.5 40.0 250 .007 32 Datasheet
570-1014-ND MS32 10015 10.0 15.0 250 .060 32 Datasheet
570-1016-ND MS32 1R036 1.0 36.0 300 .009 32 Datasheet
570-1017-ND MS32 20008 20.0 8.0 250 .220 32 Datasheet
570-1018-ND MS32 20010 20.0 10.0 250 .180 32 Datasheet
570-1019-ND MS32 2R025 2.0 25.0 300 .024 32 Datasheet
570-1021-ND MS32 5R020 5.0 20.0 300 .035 32 Datasheet

Digi-Key P/N Manufacturers P/N R@25°C
(Ω)
Max SSI
(A)
Max Joules
(J)
R hot
(Ω)
Diameter
(mm)
 
570-1003-ND MS22 10008 10.0 8.0 200 .090 22 Datasheet
570-1007-ND MS22 20005 20.0 5.0 180 .190 22 Datasheet
570-1008-ND MS22 22103 220.0 3.5 75 1.400 22 Datasheet
570-1010-ND MS22 50004 50.0 4.0 240 .360 22 Datasheet
570-1011-ND MS22 75004 75.0 4.0 240 .410 22 Datasheet