NTC thermistors are specially developed to limit the current at turn-on by their relatively high resistance when they are cold. When the NTC thermistor heats up as a result of the current load its resistance decreases by a factor of 10 to 50, and the power it draws reduces accordingly. NTC thermistors are able to handle higher inrush currents than fixed resistors with the same power consumption.

Leaded and coated NTC thermistors
Tinned copper wire, kinked
Component marking includes the manufacturer'slogo, resistance value and date code
Highly stable electrical characteristics
Applications
Inrush current limiting, e.g. in switch-mode power supplies, soft-start motors

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Select all	Attribute	Value
	Manufacturer	EPCOS
	Series	B57238S0M0
	Temperature Coefficient Type	NTC
	Thermal Time Constant	80s
	Resistance @ 25 °C	15Ω
	Tolerance	±20%
	Maximum Power Rating	3.9W
	Length	16mm
	Depth	7mm
	Height	23mm
	Minimum Operating Temperature	-55°C
	Maximum Operating Temperature	+170°C
	Dimensions	16 x 7 x 23mm

	Select all
	Manufacturer EPCOS
	Series B57238S0M0
	Temperature Coefficient Type NTC
	Thermal Time Constant 80s
	Resistance @ 25 °C 15Ω
	Tolerance ±20%
	Maximum Power Rating 3.9W
	Length 16mm
	Depth 7mm
	Height 23mm
	Minimum Operating Temperature -55°C
	Maximum Operating Temperature +170°C
	Dimensions 16 x 7 x 23mm

EPCOS Thermistor, 15Ω Resistance, NTC Type, 16 x 7 x 23mm

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