It is of semiconductor material. The main crystalline phase is the Barium tituanite. Curie temperature can be adjusted from 30¡«380¡æ. It is widely used in motor starts¡¢color TV eraser¡¢limit current¡¢heating element in warmer machine¡¢and various heating elements by self-controlled.
Type
Room temperature resistance£¨¦¸£©
Start time£¨Sec£©
re-start time(Sec)
Power consumption(W)
Bear Voltage(V)
PTC Starter
PT-22
22¡À20%
0.3¡«0.8
£¼60
£¼3
£¾600
PT-33
33¡À20%
0.5¡«1.0
£¼60
£¼2.5
£¾600
PT-100
100¡À20%
1.2¡«2.5
£¼80
£¼2
£¾700
room temperature resistance£¨K¦¸£©
Curie temperature£¨¡æ£©
¦ÁCoefficient(%/¡æ)
Bear Voltage£¨V£©
Purpose
PTC heating chips
PH-220
0.2¡«5
220
12¡«15
£¾600
Used in kinds of heating elements
PH-240
0.2¡«5
240
12¡«15
£¾600
PH-300
0.2¡«5
300
12¡«15
£¾600