PTC Thermistor Resistance Alloy

PTC Thermistor Alloy

PTC Thermistor Resistance Alloy with medium resistivity, high positive temperature coefficient of resistance.

Chemical composition, %

Alloy	Brand	Fe	S	Ni	C	P	Standard
Thermistor Resistance Alloys	PTC	Bal	≤0.01	77-82	≤0.05	≤0.01	JB/T 12515-2015

Physical and Mechanical Properties

Alloy	Brand	Resistivity, μΩ.m	Temperature Coefficient of Resistivity, ℃	Elongation, %	Tensile Strength, MPa	Standard
Thermistor Resistance Alloys	PTC	0.20-0.38	≥3000-5000	–	≥390	JB/T 12515-2015

Features

High postive temperature coefficient resistance
Automatic temperature control
Automatic power adjustment
Constant current
Current limiting
Energy saving
Long service life

Applications

This material is widely used in all kinds of electric heater, also used to make thermistor, temperature measuring cathode thermometer and current limiting regulator.