Ametherm MS32 0R536

The MS32 0R536 inrush current limiting thermistor from Ametherm offers a maximum steady state current of 36A (up to +65°C), resistance of 0.5Ω ±25% (at 25°C) and a maximum recommended energy rating of 250J. Ametherm’s MegaSurge™ series of inrush current limiting NTC thermistors reduce costs and greatly simplify designs. These specifications are the highest of any single-solution inrush current limiting device on the market.

• Inrush current limiting thermistor
• Resistance of 0.5Ω (at 25°C)
• Maximum steady state current of 36A (up to +65°C)
• Maximum recommended energy of 250J
• Voltage ratings of 120VAC, 240VAC, 440VAC and 680VAC
• Actual energy failure at 400J
• 0.01Ω at 100% maximum current and 0.02Ω at 50% maximum current
• Body temperature of +214°C at maximum current
• Material type A (for beta and curve)
• Tolerance ±25%
• Dissipation constant of 45.4mW/°C
• Thermal time constant of 194mW/s

Typical applications for the MS32 series include:

• Inrush current protection of power supplies
• Motor controllers, Audio amplifiers, Battery chargers and Frequency generators,
• Plasma cutting tools, MRI machines and Toroidal transformers

The below table gives the full specifications of the Ametherm MS32 0R536 series: