PTC Thermistors Heater Chip Ring Shaped, 110V/220V 110C  Diameter Outer 14.5mm, Inner 4.3mm R25: 100-1000 Ohm

Appearance and Dimension

Ring PTC Heater

Ring PTC Heater

  •    Outer Diameter : 14.5mm
  •    Inner Diameter : 4.3mm
  •    Thickness: 2.2mm
  •    Flatness Curvature <0.1mm
  •    Electrode: Ohmic Metallization

Electrical Specifications

  • Resistance @25C  R25 : 100-1000 Ω
  • Operating Voltage:  220V or 110V
  • Maximum operating voltage Vmax: 265 V
  • PTC Thermistor Surface Temperature: 110C±10C

Reliability Data

Test Item Standard Test conditions |ΔR25/R25|
Electrical endurance,
IEC 60738-1 Room temperature, Vmax
Number of cycles: 10000
Electrical endurance,
IEC 60738-1 storage at Voltage: 220V
Ambient temperature: +100C
Test duration: 1000 h
Damp heat IEC 60738-1 Temperature of air: 40 °C
Relative humidity of air: 93%
Duration: 56 days
Test according to IEC 60068-2-78